Weather ❯ Air Quality

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Air Quality Index AQI Wildfire Smoke Health Effects Wildfires Smoke Smog Delhi Particulate Matter Ozone Levels

Heat and Low-Level Wildfire Smoke Worsen Air Quality Across the Pacific Northwest

Onshore winds forecast for Friday will clear smoke from western Washington, shifting fire risk and smoky conditions into central and eastern zones.

Northwest Wildfires Send Smoke Across U.S. and Canada, Triggering Local Advisories

Smoke From Canadian and Minnesota Wildfires Drives Hazardous Air Across 17 States

Wildfire Smoke From Ontario and Minnesota Drives Widespread Air‑Quality Alerts Across Northeast and Midwest

Saharan Dust Plume Set to Reach Houston Late Sunday

Air Quality Alert for Twin Cities as Ozone Levels Rise Friday

IMD Issues Yellow Alert as Delhi Records Warmest May Night in 14 Years

NYC Area Under Air Quality Health Advisory for Ozone

Ozone Alerts Issued Across Texas as Stagnant Heat Degrades Air Quality

Phoenix Heat Wave Peaks Near 109°F as Extreme Heat Warning Expires

24 Fire Smoke Lingers Over Pikes Peak Region With Red Flag Warnings in Effect

Early Heat Wave to Push Las Vegas Into 90s This Weekend

Mumbai Air Quality Deteriorates to Severe, Navy Nagar Hits Hazardous 525

Code Orange Air Quality Alerts Remain in Effect Across Southeastern and Central Pennsylvania

Code Orange Air Quality Alerts Continue in Parts of Pennsylvania, Extending Into Thursday in Some Areas

Delhi Air Quality Eases to 'Poor' After Midweek Spike as Warm, Hazy Mornings Persist

Early February Heat Surges in Andhra Pradesh and Telangana, With Highs Near 35°C

Code Orange Air Quality Alerts in Effect for Allegheny County and South-Central Pennsylvania Through This Evening

South Korea Braces for Weekend Cold Wave With Dangerous Wind Chills and Localized Heavy Snow

Stagnant Air Prompts Ongoing Advisories in Oregon, Idaho and Arizona