Air quality forecast seattle - Forecast discussion. Updated Sat, Feb 10, 2024. Northwest winds will continue Monday as a weak disturbance moves across northern Minnesota. This system will produce cloudy skies across northern Minnesota, while sunshine is expected for the southern half of the state. High temperatures are expected to reach the 30s across most of the state.

 
Localized Air Quality Index and forecast for Tacoma, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions. . Best hair cutting shears

Nov 18, 2021 · PSCAA Homepage News Posted on: August 12, 2021 Current Air Quality Map Thinking about working or playing outdoors today? Check the current air quality …Color (Values) Meaning – What You Can Do Green (0-50) Good – It’s a great day to be active outside and a good time to make a plan if worse air quality is in the forecast.. Yellow (51-100) Moderate – Some people are especially sensitive to lower levels of particle pollution and should reduce exposure.For example, limit time outside and …Updated: 10:49 AM PDT June 8, 2023. SEATTLE — Parts of western Washington should expect to see moderate air quality Thursday as wildfire smoke continues to impact much of the northern United ...Aug 25, 2023 · Seattle smoke forecast: Air quality to worsen this weekend | king5.com. 43°. DIY air filter for wildfire smoke in Puget Sound. Watch on. Smoke from wildfire burning in British Columbia and the ... The Air Quality Index (AQI) is a color-coded tool for reporting daily air quality. It provides simple information on local air quality, the health concerns for different levels of air ... Seattle, WA 98101 Tel: 206-343-8800 Monday – Friday 8:00 AM – 4:30 PM Closed federal holidays. Quick Links. About Us. News. Careers. Calendars. Library ...Dec 3, 2023. Local. Sporadic. Pollen and Air Quality forecast for Seattle, WA with air quality index, pollutants, pollen count and pollution map from Weather Underground.5 Jul 2023 ... As of Wednesday morning, Seattle ranked first in the world with the worst air quality according to IQ Air's live ranking of major world cities.Aug 22, 2023 · SEATTLE — As smoke hangs in the sky from area wildfires Monday, relief is on the way. An air quality alert for smoke for much of Western Washington remains in …Air Quality Forecast for Seattle, WA - The Weather Channel | weather.com 12 Today Hourly 10 Day Radar Winter Today's Air Quality - Seattle, WA 14 Good Air quality is considered... 2 days ago · Seattle Air Quality Forecast Current time in South Park, Seattle, Washington is Monday, February 5, 2024 4:35 PM. Forecast ploted using timezone -08:00. MON 5 9°C 5°C TUE 6 7°C 4°C WED 7 9°C 4°C THU 8 9°C 2°C FRI 9 6°C 4°C Oct 15, 2022 · Temperatures stay in the 40s this week | KING 5 Weather. The air quality in Seattle, Tacoma, Bellevue and most of western Washington is expected to be unhealthy for sensitive groups this week. When it comes to maintaining a healthy home environment, indoor air quality is key. Poor indoor air quality can lead to numerous health issues such as allergies, asthma, and respir...Downtown Seattle Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. ... Seattle air quality index (AQI) forecast. Day Pollution level Weather Temperature Wind; Saturday, Jul 22: Good 16 AQI US. 28° 13° 10.8 km/h . Sunday, Jul 23: Good 18 AQI US. 100% . 17° 12°PSCAA Sensor Map - find the latest air quality information for your area + −. Leaflet ... Purple Air Sensor. Site Color. Good (0-50 AQI) Moderate (51-100 AQI) Unhealthy for sensitive groups (101-150 AQI) Unhealthy (151 - 200 AQI) Very Unhealthy (201 - 300 AQI) Hazardous (301+ AQI) No data.SEATTLE - We're tracking another scorching afternoon around Puget Sound. The good news is that air quality is expected to gradually improve today. While there will still be haze in the high levels of the atmosphere, smoke will start to thin at the surface. In general, we expect widespread "moderate" air quality readings by later this …2 days ago · Seattle Air Quality Forecast Current time in South Park, Seattle, Washington is Monday, February 5, 2024 4:35 PM. Forecast ploted using timezone -08:00. MON 5 9°C 5°C TUE 6 7°C 4°C WED 7 9°C 4°C THU 8 9°C 2°C FRI 9 6°C 4°C Dec 15, 2020 · Seattle-Duwamish 23. North Bend-North Bend Way 4. Spokane-E Broadway Ave 16. Airway Heights-W 12th Ave 6. Dayton-W Main St 8. Oak Harbor-SW 6th 8. Anacortes-Bartholomew Rd 10. Spokane-Augusta Ave 16. Chehalis-Market Blvd 7. Other days in Seattle tend to achieve “good” to “moderate” US AQI ratings. More concerning is a trend of recently declining air quality in King county, of which Seattle is the county seat. Since 2016, all key measures for PM2.5 and ozone pollution have been on the rise. Prior to the 2015 to 2017 monitoring period, Seattle had met ...Seattle Station Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Seattle Station, Seattle with AirVisual. Seattle Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Seattle, Washington with AirVisual.Current time in Shanghai is Wednesday, February 14, 2024 4:38 AM. Forecast ploted using timezone +08:00. Temp. Forecast for Shanghai updated: fine particulate matter (PM 2.5 ): 18 hours ago, respirable particulate matter (PM 10 ): 18 hours ago, ozone (O 3 ): 15 hours ago, Ultra Violet Index (UVI): a year ago.1904 Third Avenue, Suite 105 Seattle, WA 98101 Tel: 206-343-8800 Monday – Friday 8:00 AM – 4:30 PM Closed federal holidays.4:00 AM Tuesday - 10:00 PM Tuesday. Wind SW 9 mph. Air Quality Poor. Wind Gusts 18 mph. Humidity 77%. Indoor Humidity 42% (Slightly Dry) Dew Point 34° F. Cloud Cover 92%. Visibility 10 mi.The list below shows the areas with the highest NowCast AQI for the current hour. The AirNow system automatically generates this list every hour, based on the areas with the highest NowCast AQI for ozone or particle pollution. Because air quality can change during the day, the areas on this list may change throughout the day, too. 20 Oct 2022 ... The air quality index measures a combination of ozone and particulate pollution in the air. In Portland, where 10 fires are burning within a few ...The forecast uses the U.S. EPA's Air Quality Index to indicate how healthy or unhealthy those air pollution levels are expected to be. A Spare the Air Alert is called when air quality is forecast to be unhealthy, or above 100 in the AQI, in any one of the reporting zones. An alert may span over two days if air quality is expected to remain ...The air quality map shows the pollution levels in the form of US AQI. Whilst it is not explicitly stated as to what pollutants are in the air on the pollution map, with a little bit of insight, users can understand the pollutants that they may be breathing. US AQI figures are aggregated from the volume of pollutants in the air such as PM10 and ... 2 days ago · Seattle Air Quality Forecast Current time in South Park, Seattle, Washington is Monday, February 5, 2024 4:35 PM. Forecast ploted using timezone -08:00. MON 5 9°C 5°C TUE 6 7°C 4°C WED 7 9°C 4°C THU 8 9°C 2°C FRI 9 6°C 4°C Other days in Seattle tend to achieve “good” to “moderate” US AQI ratings. More concerning is a trend of recently declining air quality in King county, of which Seattle is the county seat. Since 2016, all key measures for PM2.5 and ozone pollution have been on the rise. Prior to the 2015 to 2017 monitoring period, Seattle had met ...1 day ago · Air quality is considered satisfactory, and air pollution poses little or no risk: None: 51 -100: Moderate: Air quality is acceptable; however, for some pollutants there …41. 57. 70. 151. 187. 76. 99. China Air Quality Index (AQI). Read the air pollution in China, get real-time, historical and forecast PM2.5 and weather data with AirVisual.The GAIA air quality monitor uses laser particle sensors to measure in real-time PM2.5 and PM10 particle pollution, ... Air Quality Forecast. Air quality historical data. Stations on the map. Some of the most polluted air quality monitoring …National Oceanic and Atmospheric Administration. National Weather Service. 1325 East West Highway. Silver Spring, MD 20910. Page Author: NWS Internet Services Team. Disclaimer. Information Quality. Credits. Glossary. Seattle pollen count and allergy risks are now 1. Get real-time and forecast pollen count and allergy risks data. Read today’s pollen levels in Seattle, Washington with IQAir. Air Quality . Air Monitors . Air Purifiers . ... Air quality …Localized Air Quality Index and forecast for Bakersfield, CA. Track air pollution now to help plan your day and make healthier lifestyle decisions.The AirNow system automatically generates this list every hour, based on the areas with the highest NowCast AQI for ozone or particle pollution. Because air quality can change during the day, the areas on this list may change throughout the day, too. Note: This list is not used for regulatory purposes, and it does not indicate an area’s ...Localized Air Quality Index and forecast for Tacoma, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions.Air quality in the home, in your business and in schools is more important than you may realize. Learn all about indoor air quality in this guide, including common pollutants and t...PSCAA Sensor Map - find the latest air quality information for your area + −. Leaflet ... Purple Air Sensor. Site Color. Good (0-50 AQI) Moderate (51-100 AQI) EPA will host the National Air Quality Conference (NAQC) as a virtual only event on March 18-21, 2024.. Visit the NAQC webpage to learn more about this event and how to register.. Interested in speaking or submitting a poster? Find out more about the planned sessions and how to participate at the Call for Speakers page.. Please submit …SEATTLE - Smoke continues to be a problem in Western Washington today. Air quality will improve at least a little on Monday. Until then, plan on record warmth and high fire danger. An Air Quality Alert remains in effect through 11 a.m. Monday.Oct 15, 2022 · Temperatures stay in the 40s this week | KING 5 Weather. The air quality in Seattle, Tacoma, Bellevue and most of western Washington is expected to be unhealthy for sensitive groups this week. Hyper-local, real-time, public air quality map. Visualize PM2.5 AQI in your area for free. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi.Nov 18, 2021 · Seattle, WA 98101 Tel: 206-343-8800 Monday – Friday 8:00 AM – 4:30 PM Closed federal holidays. ... based on today's expected air quality forecast for that region. Incheon Air Quality Forecast. Current time in Incheon is Friday, January 5, 2024 10:40 AM. Forecast ploted using timezone +09:00. Temp. Forecast for Incheon updated: fine particulate matter (PM 2.5 ): a day ago, respirable particulate matter (PM 10 ): a day ago, ozone (O 3 ): 21 hours ago, Ultra Violet Index (UVI): a year ago.EPA will host the National Air Quality Conference (NAQC) as a virtual only event on March 18-21, 2024.. Visit the NAQC webpage to learn more about this event and how to register.. Interested in speaking or submitting a poster? Find out more about the planned sessions and how to participate at the Call for Speakers page.. Please submit …Incheon Air Quality Forecast. Current time in Incheon is Friday, January 5, 2024 10:40 AM. Forecast ploted using timezone +09:00. Temp. Forecast for Incheon updated: fine particulate matter (PM 2.5 ): a day ago, respirable particulate matter (PM 10 ): a day ago, ozone (O 3 ): 21 hours ago, Ultra Violet Index (UVI): a year ago.In the United States, the amount of air pollutants in the atmosphere can be directly measured by anyone using instruments such as the GASPer air quality monitor, area’s immediate r...Localized Air Quality Index and forecast for Lumen Field, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions.Forecast Tacoma air quality index (AQI) forecast. Day Pollution level Weather Temperature Wind; Thursday, Jan 11: Good 9 AQI US-3° -9° 14.4 km/h . Friday, Jan 12: Good 16 AQI US ... Seattle air quality: 2019 average of 7.5 μg/m 3 (25 miles away) Olympia air quality: 2019 average of 6 μg/m 3 ...When it comes to choosing an air conditioner for your home or office, selecting the right brand is essential. With so many options available, it can be overwhelming to decide which...The forecast uses the U.S. EPA's Air Quality Index to indicate how healthy or unhealthy those air pollution levels are expected to be. A Spare the Air Alert is called when air quality is forecast to be unhealthy, or above 100 in the AQI, in any one of the reporting zones. An alert may span over two days if air quality is expected to remain ...Hazy Skies, Red Flag Warning & Air Quality Impacts: WA Smoke Forecast - Seattle, WA - Heat, smoke and wind are on the docket starting Friday as summer rears its head once more. Here's what to expect.Everett Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Everett, ... Everett air quality index (AQI) forecast. Day Pollution level Weather Temperature Wind; Thursday, Jan 11: Good 11 AQI US. 23° 14° 4.5 mp/h . Friday, Jan 12: Good 19 AQI US. 23° 10.4° 4.5 mp/h .Localized Air Quality Index and forecast for Bellingham, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions. Sep 10, 2022 · by EOC Public Information on September 10, 2022 @ 1:41 pm. Wildfire smoke continues to move into the Seattle area Saturday, September 10. A new fire, the Bolt Creek Fire near Skykomish, is sending additional smoke to Seattle. Air quality is now Unhealthy for Sensitive Groups in most areas and Unhealthy for everyone in some areas. Nov 18, 2021 · PSCAA Homepage News Posted on: August 12, 2021 Current Air Quality Map Thinking about working or playing outdoors today? Check the current air quality …Seattle - Greenwood 63. LittleBrook0 64. Awesome NW 64 65. Cottage Grove, N Delridge, West Seattle. Rainier Valley 2 Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air …Smoke returns to western Washington on Thursday, and Rich Mariott previews how it will affect air quality in the region. Author: king5.com Published: 7:47 AM PDT August 24, 2023Localized Air Quality Index and forecast for West Seattle, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions.Localized Air Quality Index and forecast for South Seattle, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions.Jul 5, 2023 · While air quality in some parts of the region had reached unhealthy levels early in the day, by midafternoon it had largely improved to moderate levels. The National …5 Jul 2023 ... As of Wednesday morning, Seattle ranked first in the world with the worst air quality according to IQ Air's live ranking of major world cities.Today's Air Quality-Redmond, WA. 31. Good. Air quality is considered satisfactory, and air pollution poses little or no risk. Primary Pollutant: PM2.5 (Particulate matter less than 2.5 microns)Home > Air Quality Forecast Guidance > New York: This map shows NOAA's National Weather Service Air Quality Forecast Guidance. Public comments and suggestions are encouraged. A FAQ page is available. This page is planned to be replaced by an enhanced prototype display that includes all Air Quality Forecast Guidance elements, i.e. ozone, …Air quality is considered satisfactory, and air pollution poses little or no risk: None: 51 -100: Moderate: Air quality is acceptable; however, for some pollutants there may be a …Localized Air Quality Index and forecast for Tacoma, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions. NowCast AQI. Boundaries. Basemaps. Legend. Good (0-50) Moderate (51-100) Unhealthy for Sensitive Groups (101-150)Localized Air Quality Index and forecast for Bellingham, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions. SEATTLE — As smoke hangs in the sky from area wildfires Monday, relief is on the way. An air quality alert for smoke for much of Western Washington remains in effect until midnight.Dec 23, 2023 · Air Quality Forecast for Seattle, WA - The Weather Channel | weather.com Today Hourly 10 Day Radar CA Storm Today's Air Quality - Seattle, WA 24 Good Air …19 Aug 2023 ... Seattle weather: Air quality at risk & high fire danger this weekend Subscribe to FOX 13 Seattle: ...Downtown Seattle Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. ... Seattle air quality index (AQI) forecast. Day Pollution level Weather Temperature Wind; Saturday, Jul 22: Good 16 AQI US. 28° 13° 10.8 km/h . Sunday, Jul 23: Good 18 AQI US. 100% . 17° 12°Many businesses depend on air compressors and, when they’re not working efficiently, it could cause things to come to a grinding halt. Therefore, it’s critical to ensure you know w...Other days in Seattle tend to achieve “good” to “moderate” US AQI ratings. More concerning is a trend of recently declining air quality in King county, of which Seattle is the county seat. Since 2016, all key measures for PM2.5 and ozone pollution have been on the rise. Prior to the 2015 to 2017 monitoring period, Seattle had met ...Oct 15, 2022 · Temperatures stay in the 40s this week | KING 5 Weather. The air quality in Seattle, Tacoma, Bellevue and most of western Washington is expected to be unhealthy for sensitive groups this week. Busan Air Quality Forecast. Current time in Busan is Sunday, February 4, 2024 9:39 PM. Forecast ploted using timezone +09:00. Temp. Forecast for Busan updated: fine particulate matter (PM 2.5 ): 11 hours ago, respirable particulate matter (PM 10 ): 11 hours ago, ozone (O 3 ): 8 hours ago, Ultra Violet Index (UVI): a year ago.by EOC Public Information on October 18, 2022 @ 1:55 pm. Wildfire smoke will cause the air quality to rise to UNHEALTHY for everyone levels near active fires, including the new fire in east King County. At this time, other areas in the Puget Sound region are expected to be UNHEALTHY FOR SENSITIVE GROUPS or worse.Adams 2 24. 24. Seattle-10th & Weller 25. Seaboard Building 26. Central District 2 28. Seattle-Duwamish 29. Maple Leaf Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Maple Leaf, Seattle with AirVisual. 5 Jul 2023 ... As of Wednesday morning, Seattle ranked first in the world with the worst air quality according to IQ Air's live ranking of major world cities.National Oceanic and Atmospheric Administration. National Weather Service. 1325 East West Highway. Silver Spring, MD 20910. Page Author: NWS Internet Services Team. Disclaimer. Information Quality. Credits. Glossary. Allergy forecast Seattle pollen count forecast. Day Index Tree Grass Weed Wind Weather Temperature; Saturday, Jan 6: Low. Low. Low. Low. 21.6 km/h . 100% . 6° 3° Sunday, Jan 7: Low. Low. Low. Low. 7.2 km/h . 60% . ... By staying informed about both pollen forecasts and air quality conditions, ...Feb 17, 2024. Local. No Activity. Regional. Sporadic. Widespread. Pollen and Air Quality forecast for Seattle, WA with air quality index, pollutants, pollen count and pollution map from Weather ... Indoor air pollution is a growing concern for many homeowners, especially those with allergies or respiratory issues. One way to improve your indoor air quality is by using air fil...Forecast discussion. Updated Sat, Feb 10, 2024. Northwest winds will continue Monday as a weak disturbance moves across northern Minnesota. This system will produce cloudy skies across northern Minnesota, while sunshine is expected for the southern half of the state. High temperatures are expected to reach the 30s across most of the state.Check the area's air quality burn ban status, learn more about air quality burn ban protocols, and sign up to receive air quality burn ... Physical Address View Map 1904 Third Avenue Suite 105 Seattle, WA 98101. Directions. Phone: 206-343-8800. Fax: 206-343-7522. More Useful Phone Numbers. Toll Free Number: 800-552 -3565; Burn Ban Hotline ...19 Aug 2023 ... Seattle weather: Air quality at risk & high fire danger this weekend Subscribe to FOX 13 Seattle: ...Feb 14, 2018 · https://www.airnow.gov/announcement/3241 2024 National Air Quality Conference 2024-02-01 Allergy forecast Seattle pollen count forecast. Day Index Tree Grass Weed Wind Weather Temperature; Saturday, Jan 6: Low. Low. Low. Low. 21.6 km/h . 100% . 6° 3° Sunday, Jan 7: Low. Low. Low. Low. 7.2 km/h . 60% . ... By staying informed about both pollen forecasts and air quality conditions, ...

Current particle pollution air quality information for your location; Fire locations and smoke plumes; Smoke Forecast Outlooks, where available; and, Recommendations for actions to take to protect yourself from smoke. These recommendations were developed by EPA scientists who are experts in air quality and health. . Lyrics for it's the end of the world

air quality forecast seattle

Sep 8, 2022 · Michalski said NWS Seattle plans to monitor the forecast and air quality sensors into the beginning of next week. Christine Clarridge: 206-464-8983 or [email protected]; View Comments ... 2 days ago · Seattle Air Quality Forecast Current time in South Park, Seattle, Washington is Monday, February 5, 2024 4:35 PM. Forecast ploted using timezone -08:00. MON 5 9°C 5°C TUE 6 7°C 4°C WED 7 9°C 4°C THU 8 9°C 2°C FRI 9 6°C 4°C Seattle Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Seattle, Washington with AirVisual.Seattle, WA Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days. University Park 16. 301 23rd Avenue 17. 31st and Howe 17. 4601 S Roxbury Street. Downtown Seattle Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Downtown Seattle, Seattle with AirVisual. The list below shows the areas with the highest NowCast AQI for the current hour. The AirNow system automatically generates this list every hour, based on the areas with the highest NowCast AQI for ozone or particle pollution. Because air quality can change during the day, the areas on this list may change throughout the day, too. 21 Sept 2022 ... Purple Air lacks ground level WIND speeds and direction, or I could forecast for myself. ... If Seattle weren't so dysfunctional and cared more ...Home > Air Quality Forecast Guidance > Washington: This map shows NOAA's National Weather Service Air Quality Forecast Guidance. Public comments and suggestions are encouraged. A FAQ page is available. This page is planned to be replaced by an enhanced prototype display that includes all Air Quality Forecast Guidance elements, i.e. ozone, …Seattle, Seattle-Tacoma International Airport (KSEA) Lat: 47.44472°NLon: 122. ... Wind Chill: 43°F (6°C) Last update: 21 Feb 03:53 AM PST : More Information: Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast. Extended Forecast for 2 ... Air Quality Forecasts; International System of Units; Forecast ...Downtown Seattle Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. ... Seattle air quality index (AQI) forecast. Day Pollution level Weather Temperature Wind; Saturday, Jul 22: Good 16 AQI US. 28° 13° 10.8 km/h . Sunday, Jul 23: Good 18 AQI US. 100% . 17° 12°Weather forecast, conditions and interactive radar for Seattle and Washington state. Coverage from KING5 in Seattle, Washington.The current air quality map is designed to help you plan your day by offering current air quality and general forecast information. The dot color indicates the latest air quality level for each monitoring station. Updated daily, the larger regions are also shaded colors, based on the day’s expected air quality forecast for that region. Air ... 5 days ago · Analysis as of February 2024. Air quality and affordability are pushing residents out of 13 metros areas, many on the West Coast. Most of the inbound moves are …Localized Air Quality Index and forecast for Bellevue, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions. 1904 Third Avenue, Suite 105 Seattle, WA 98101 Tel: 206-343-8800 Monday – Friday 8:00 AM – 4:30 PM Closed federal holidays.Updated: 10:49 AM PDT June 8, 2023. SEATTLE — Parts of western Washington should expect to see moderate air quality Thursday as wildfire smoke continues to impact much of the northern United ...The Meteorological Impact Statement (MIS) is a 4 to 12 hour planning forecast of weather conditions expected to impact the air traffic. The Center Weather Advisory (CWA) is a short-term warning of hazardous weather conditions provided to all aviation interests, including private pilots, towers, flight service stations, and commercial airlines.When it comes to maintaining a healthy home environment, indoor air quality is key. Poor indoor air quality can lead to numerous health issues such as allergies, asthma, and respir...Seattle ☀ Weather forecast for 10 days, information from meteorological stations, webcams, sunrise and sunset, wind and precipitation maps for this place. ... 100-150 unhealthy for sensitive groups and below 100 or rather below 50 the air quality is good..

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