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 Index (AQI) Calculation. The Air Quality Index is based on measurement of particulate matter (PM 2.5 and PM 10), Ozone (O 3), Nitrogen Dioxide (NO 2), Sulfur Dioxide (SO 2) and Carbon Monoxide (CO) emissions.
Poor air quality expected to linger 'the next few days' in ... - NBC News
Jun 28, 2023 · Expectations for the air quality index will reach as high as 200, or "very unhealthy" levels, and Hochul warned that conditions can deteriorate very quickly.
Air Quality Index (AQI) | AirNow.gov
Local air quality can affect our daily lives. Like the weather, it can change from day to day. EPA developed the Air Quality Index, or AQI, to make information available about the health effects of the five most common air pollutants, and how to avoid those effects.
Chicago’s air quality worst in the world, global index shows
Jun 27, 2023 · According to the monitoring site IQAir, Chicago had the worst air quality out of 95 cities worldwide Tuesday. As of 11 a.m., the air quality index had risen to a level considered “very unhealthy...
Chicago Air Quality Index (AQI) and Illinois Air Pollution | IQAir
Chicago Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Chicago, Illinois with AirVisual.
Chicago Air Pollution: Real-time Air Quality Index (AQI)
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 …
Chicago Air Pollution: Real-time Air Quality Index - aqicn.org
1 day ago · 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 asthma, should limit prolonged outdoor exertion.
New WHO Global Air Quality Guidelines aim to save ...
Sep 22, 2021 · New WHO Global Air Quality Guidelines (AQGs) provide clear evidence of the damage air pollution inflicts on human health, at even lower concentrations than previously understood. The guidelines recommend new air quality levels to protect the health of populations, by reducing levels of key air pollutants, some of which also contribute to ...
Live Animated Air Quality Map (AQI, PM2.5...)
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.