The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many Angelenos aren’t sure if the AQI tells the full story, especially given how ...

PHILADELPHIA (WPVI) -- With smoke blowing into the Philadelphia region from the wildfires in Canada, you may have heard a lot about the Air Quality Index or AQI. But what it is, exactly? The Air ...

SAN FRANCISCO (CBS SF) -- There is plenty of confusion when it comes to Air Quality Index readings during this time of smoke-filled skies from the historic outbreak of wildfires. There are numbers ...

An air quality alert continues for the entire Chicago area Friday, with poor air quality due to smoke from Canada wildfires expected to stick around all day and even into Saturday, the NBC 5 Storm ...

The best monitors from CR’s tests detect a range of indoor pollutants, and some work automatically with air purifiersDevices ...

The overall Air Quality Index of the national capital was recorded in the poor category; however, several areas of the city ...