World's Air Pollution: Real-time Air Quality Index
Check out the real-time air pollution map, for more than 80 countries. Can not find your city on the map? The GAIA air quality monitor uses laser particle sensors to measure in real-time PM2.5 and PM10 particle pollution, which is one of the most harmful air pollutants.
AirNow.gov
AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.
World Air Quality Index (AQI) Ranking | IQAir
Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.
Live Animated Air Quality Map (AQI, PM2.5...) | IQAir
Discover AirVisual Map, live world air pollution and air quality index (AQI) interactive 2D animated map combining PM2.5 data from public government, air quality stations, our community.
June 7, 2023 Canada wildfire smoke and US air quality news
2023年6月7日 · The EPA measures regional air quality index (AQI) by how hazardous it is to the general public. As of 9:30 a.m. ET, cities in Ontario have the worst air quality in the world, with AQIs...
USA Air Quality Index (AQI) and Air Pollution information | IQAir
2023 average PM2.5 concentration in USA: 1.8 times the WHO annual air quality guideline value. The latest air quality news and resources. How does USA rank globally in air pollution? Which country had the worst air quality in 2023? AVG. US AQI⁺. …
June 8, 2023 Canada wildfire smoke and US air quality news
2023年6月8日 · The EPA measures regional air quality index (AQI) by how hazardous it is to the general public. As of 9:30 a.m. ET, cities in Ontario have the worst air quality in the world, with AQIs...
National Maps | AirNow.gov
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.
Air quality: Canadian wildfire smoke blankets the U.S. - NBC News
2023年6月8日 · The air quality index, or AQI, in New York exceeded 340 Wednesday afternoon — making it the city with worst air quality in the world — as smoke from wildfires in eastern Canada wafted into...
Poor air quality expected to linger 'the next few days' in ... - NBC News
2023年6月28日 · Chicago and Detroit were among the top three cities with the worst air quality in the world late Tuesday, according to IQAir.com, a tracking service. The National Weather Service has issued air...