Windham Air Quality Index (AQI) Today

Air quality in Windham

The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.

US AQI · EPA

Good

PM2.5

4.5 µg/m³

WHO guideline 15

PM10

4.5 µg/m³

WHO guideline 45

NO₂ · O₃

7 · 47

µg/m³

Hour by hour (12h)

US EPA AQI

11:00 PM 💨 PM2.5 4.5 µg/m³

22Good

12:00 AM 💨 PM2.5 5.5 µg/m³

23Good

1:00 AM 💨 PM2.5 6.5 µg/m³

27Good

2:00 AM 💨 PM2.5 7.3 µg/m³

30Good

3:00 AM 💨 PM2.5 7.9 µg/m³

33Good

4:00 AM 💨 PM2.5 8.1 µg/m³

34Good

5:00 AM 💨 PM2.5 8.3 µg/m³

35Good

6:00 AM 💨 PM2.5 8.6 µg/m³

36Good

7:00 AM 💨 PM2.5 8.8 µg/m³

37Good

8:00 AM 💨 PM2.5 8.4 µg/m³

35Good

9:00 AM 💨 PM2.5 5.5 µg/m³

24Good

10:00 AM 💨 PM2.5 2.6 µg/m³

27Good

Next few days

daily max · US EPA AQI

Fri 💨 Good · UV Low

Sat 💨 Good · UV Low

Sun 💨 Good · UV Low

Mon 💨 Good · UV Low

Tue 💨 Good · UV Low

Weather map — Windham

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Windham, CT Air Quality

Air quality in Windham

Hour by hour (12h)

Next few days

Weather map — Windham