Granby Air Quality Index (AQI) Today

Air quality in Granby

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

3 µg/m³

WHO guideline 15

PM10

3.2 µg/m³

WHO guideline 45

NO₂ · O₃

9 · 51

µg/m³

Hour by hour (12h)

US EPA AQI

8:00 PM 💨 PM2.5 3 µg/m³

24Good

9:00 PM 💨 PM2.5 2.9 µg/m³

24Good

10:00 PM 💨 PM2.5 2.8 µg/m³

24Good

11:00 PM 💨 PM2.5 2.7 µg/m³

23Good

12:00 AM 💨 PM2.5 2.7 µg/m³

22Good

1:00 AM 💨 PM2.5 2.8 µg/m³

21Good

2:00 AM 💨 PM2.5 2.9 µg/m³

21Good

3:00 AM 💨 PM2.5 2.9 µg/m³

20Good

4:00 AM 💨 PM2.5 2.9 µg/m³

19Good

5:00 AM 💨 PM2.5 2.9 µg/m³

18Good

6:00 AM 💨 PM2.5 3 µg/m³

17Good

7:00 AM 💨 PM2.5 3.3 µg/m³

17Good

Next few days

daily max · US EPA AQI

Thu 💨 Good · UV Low

Fri 💨 Good · UV Low

Sat 💨 Good · UV Low

Sun 💨 Good · UV Low

Mon 💨 Good · UV Low

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Granby, QC Air Quality

Air quality in Granby

Hour by hour (12h)

Next few days

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