I've lived in Oregon for a decade, meaning I've experienced multiple wildfire seasons. You learn quickly, in these conditions ...

PM2.5 (particles of diameter 2.5 micrometres or less) concentration for 24 hours ending 4pm on November 18 was 549.6 microgram per cubic metre (µg/m3) and 676 µg/m3 at Jawaharlal Nehru Stadium ...

Your Apple Watch includes a complication called AQI, which reports on the Air Quality Index for your location. It's easy to add this complication to many watch faces, so you can keep tabs on the ...

As wildfires rage across Los Angeles, air quality in California is under close scrutiny, with residents in heavily impacted areas urged to take protective measures. The fires, which burst into ...