Air Quality(AQI)
iOS app by Nandha Kumar Ravi. Weather · Nandha Kumar Ravi
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.5
- Listing last refreshed
- 2026-09-09
View the original store listing
Store description excerpt
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 health effects might be a concern for you. The AQI focuses on health effects you may experience within a few hours or days after breathing polluted air. Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality. Five major pollutants EPA establishes an AQI for five major air pollutants regulated by the Clean Air Act. Each of these pollutants has a national air quality standard set by EPA to protect public health: * ground-level ozone * particle pollution (also known as particulate matter, including PM2.5 and PM10) * carbon monoxide * sulfur dioxide * nitrogen dioxide
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