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 ...

Those affected by wildfire smoke focus on the colors red, purple and maroon on the air quality charts. Red used to be the scariest color. Why did that change?(Story aired on ATC on June 28, 2023.) ...

In contrast, southern cities such as Bengaluru (97), Chennai (142), and Hyderabad (116) recorded “satisfactory” to “moderate” ...

Environmental experts have urged residents to avoid unnecessary outdoor activity, particularly in the morning and evening, ...

Delhi's air quality worsened on October 17, 2025, with the AQI touching 242. Several areas like Anand Vihar, Wazirpur, and ...

Those affected by wildfire smoke focus on the colors red, purple and maroon on the air quality charts. Red used to be the scariest color. Why did... How purple came to be a scarier color than red on ...

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free skies this week. The Air Quality Index (AQI) — which measures the ...

Millions are waking up this morning to a thick haze from wildfires in Canada. Cities like Chicago, Detroit, Minneapolis and Milwaukee have been seeing some of the worst air quality readings in the ...