What are the health impacts of different Air Quality Index levels?

A description of the AQI levels and South Coast AQMD recommended cautionary statements can be found at Air Quality Index (PDF, 348kb). Related Information:. AQI: The site's current rolling 24-hour average air quality index for PM2.5. Jun 28, 2023 ... The Air Quality Index, set by the Environmental Protection Agency, is your guide to how bad the air quality is outdoors. Apr 23, 2025 ... Live ranking, historical rankings, most polluted cities, cleanest cities, live most polluted major city ranking. By expanding research beyond singular routes of exposure and pollutants, the EQI helps provide a clearer picture of the relationship between the environment and ... The Air Quality Index (PDF) (AQI) is the uniform procedure by which daily air pollution levels are reported to the public. AQI levels are set by the ... Air Quality Index ... The Air Quality Index (AQI) is used for reporting daily air quality. It tells you how clean or polluted your air is, and what associated ... DEQ takes continuous readings at various locations throughout Arkansas. The pollutants that are monitored include five major atmospheric pollutants: carbon ... Readings below 100 on the AQI should not affect health of the general public, though readings in the moderate range of 50 to 100 may affect unusually sensitive ... The Air Quality Index is based on measurement of particulate matter (PM2.5 and PM10), Ozone (O3), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2) and Carbon ...