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Columbus air quality index (AQI)
Last updated at 17:00, September 9 Local time
37Good
US AQI⁺
pm10 | 40 µg/m³
73°
37%
3.6 km/hTuesday42
45°77°
Wednesday62
54°82°
Thursday64
61°84°
Live city ranking
Cities with high air pollution (AQI⁺)
This hourly ranking includes 10 global cities with measured PM2.5 data. Click to learn more.
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MAJOR CITY
US AQI⁺
News
September 9, 2025: Accra among the most polluted cities in the world
Explore the air quality challenges in Accra, Ghana, and learn about initiatives driving cleaner air. Find out more about air quality in Accra.
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September 9, 2025: Lahore among top 10 most polluted cities in the world
Lahore ranked as the 3rd most polluted major city globally on Sept 9. Learn more about causes, forecasts, and health tips.
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Wildfire Map Spotlight: Flat Fire, Central Oregon
Find out more about the Flat Fire in Central Oregon, its spread near Sisters, and the communities under evacuation orders.
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Wildfire Map Spotlight: Rock and Elkhorn Fires, Idaho
A pair of wildfires north of Boise are impacting regional air quality. Learn more about these fires.
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Wildfire Map Spotlight: Cottonwood Peak Fire, Nevada, USA
Find out more about the Cottonwood Peak Fire in Nevada.
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