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

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

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

Think back to the red AQI forecast on your phone. What information was it trying to convey? The Air Quality Index (AQI) is a ...

Arizona is the only state with 'unhealthy' air quality. Part of it stems from our geography, but part also comes from our ...

Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI index of 257 at 9:31am today (25 January). The air was classified as 'very ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

A recent study reveals that exposure to air pollution before conception could have consequences on children's health.

Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't ...

The US has topped a list of 175 countries of where citizens are most at risk from the adverse health effects of air pollution ...

But without mechanisms currently in place to track local air quality, there is no way for the community to know exactly what kind of pollution and potential health effects they’re dealing with, she ...