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

Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI score ...

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

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

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

Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A. County, but they shouldn ...

Erin Davis/Axios Visuals Air quality is worsening in the Upper Midwest and Northern California, according to year-over-year data. Why it matters: Poor air quality can lead to long-term health problems ...

Smoke, ash and all the toxic chemicals that come with both can seep into even well-sealed homes and pose risks to health ... now on top of that, the air quality index has been sitting at ...

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

Poor air quality has been detected in multiple states surrounding California. The state has been hit with multiple deadly ...

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 ...

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...