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's Air Pollution: Real-time Air Quality Index
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. Active children and adults, and people with respiratory disease, such as …
World Air Quality Index (AQI) Ranking | IQAir
Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.
Overall AQI at 492, Delhi’s air quality still ‘severe-plus’, several ...
8 hours ago · Patna ranked among the most polluted, Patna’s air quality index (AQI) reached 313 on Monday morning, categorized as ‘very poor,’ posing significant health risks for its residents. Moderate Air Quality. Pune and Mumbai have recorded an AQI of 112, falling in the ‘moderate’ range on Tuesday morning. This air quality is acceptable ...
Air Quality | US EPA - U.S. Environmental Protection Agency
Oct 28, 2024 · Learn about air quality and how it affects health. Discover how to check air quality forecasts, learn about what causes poor air quality, and find out how to help make our air cleaner every day.
Toxic smog persists over India's north; Delhi pollution remains …
6 hours ago · On Tuesday, Delhi's 24-hour air quality index (AQI) reading was at 488 on a scale of 500, India's Central Pollution Control Board (CPCB) said, and at least five stations in the capital reported an ...
Air quality: Canadian wildfire smoke blankets the U.S. - NBC News
Jun 8, 2023 · 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...
What Happens When the Air Quality Index Surpasses 500?
Jun 9, 2023 · The toxic air in the United States this week has flirted with the upper range of the 500-point scale. In the past decade, there have been times when the air quality was even worse.
Chicago’s air quality worst in the world, global index shows
Jun 27, 2023 · As of 11 a.m., the air quality index had risen to a level considered “very unhealthy,” according to AirNow, a website that combines data from county, state and federal air quality agencies...
130 million Americans routinely breathe unhealthy air, report finds - NPR
Apr 24, 2024 · But in the West, 2023 had the most days ever recorded with dangerous or very dangerous air quality, measured by the Air Quality Index. And for the first time in the report's 25-year...