First of Its Kind Cross-Regional Citizen Science Air Quality Monitoring Project in Surabaya, Indonesia; Ogijo, Nigeria; ...

Beginning on Monday, Fairfax County’s air quality index numbers began to increase, peaking at 314 on Thursday morning, which is classified as hazardous levels of air pollution.

Wildfire smoke from Canada covered our state, pushing air quality indexes into the “hazardous” range and leaving millions scrambling for N95 masks, air purifiers and safe shelter. Schools closed.

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online ...

If an air quality alert is issued for smoke, it means the air contains a higher-than-normal measured concentration of particulate matter less than 2.5 microns, commonly abbreviated as PM2.5.

The air quality is reaching dangerous levels in parts of the Upper Midwest and north central U.S., where copious amounts of smoke from wildfires in Canada are wafting south across the ...

Air quality expected to reach ‘hazardous for all’ level in NW Minnesota, alert extended through Wednesday Krystal Frasier KSTP Updated: June 3, 2025 - 10:52 AM Published: June 2, 2025 - 11:33 AM ...

A little before 1 p.m., Apple’s weather app showed the Air Quality Index at a very hazardous 486. Apple At those levels, people are advised to stay indoors, and Madeline Blair, 24, did just that.

Kathmandu: The air quality on Friday further deteriorated in Napal’s Kathmandu and reached alarming levels with the Air Quality Index (AQI) crossing the 301 mark to enter the 'hazardous ...

The hazardous air quality marks the first working day of the week, and even unhealthy air has prevailed for the past few days. When the AQI value for particle pollution is between 50 and 100, air ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot particles that can penetrate the lungs and brain dropped to moderate ...

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take to protect yourself further.