After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

The LA wildfires have burned tens of thousands of acres – but on some weather maps, air quality still looks good. What’s ...

But air quality can vary on a hyperlocal scale, meaning the network of official sites is "fairly sparse," says Michael ...

and you can view an interactive map that rates the air quality across the US and Canada. The index is on a scale of 0 to 500 ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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.

Moderate air quality is between 51 and 100, or in the yellow band of the AQI scale. Air quality in the moderate range can still be risky for people who are unusually sensitive to air pollution.

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...