The AQI converts concentration measurements for each of these pollutants onto a common scale that communicates the level of hazard on any given day. The color-coded scale stretches from 0 to 500 ...

However, reading and interpreting AQI is a bit of a guessing game. The AQI scale ranges from 0 to 500 and includes different tiers associated with various health risks for different groups of people.

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. The index ranges from 0 to 500 and uses a color coded system. But public health ...

These pollutants are monitored daily, and the AQI provides a single number representing the overall air quality for a given area. The index typically ranges from 0 to 500, with higher numbers ...

The AQI uses a color-coded scale that ranks pollution levels from 0 (low) to 500 (very high), making it easier for people to understand air quality conditions and their associated health risks ...

High AQI is linked to particulate matter exposure ... A 1,000-foot wall of water could be headed for US shores 'Only 0.001% explored': The deep ocean secret we are ignoring at our own risk ...