Grand Forks Air Quality Index (AQI) Today

Air quality in Grand Forks

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

3.2 µg/m³

WHO guideline 15

PM10

3.3 µg/m³

WHO guideline 45

NO₂ · O₃

9 · 43

µg/m³

Hour by hour (12h)

US EPA AQI

8:00 PM 💨 PM2.5 3.2 µg/m³

20Good

9:00 PM 💨 PM2.5 3.1 µg/m³

20Good

10:00 PM 💨 PM2.5 3 µg/m³

20Good

11:00 PM 💨 PM2.5 2.9 µg/m³

21Good

12:00 AM 💨 PM2.5 2.9 µg/m³

21Good

1:00 AM 💨 PM2.5 2.8 µg/m³

21Good

2:00 AM 💨 PM2.5 2.8 µg/m³

21Good

3:00 AM 💨 PM2.5 2.9 µg/m³

21Good

4:00 AM 💨 PM2.5 3 µg/m³

20Good

5:00 AM 💨 PM2.5 3.2 µg/m³

20Good

6:00 AM 💨 PM2.5 3.4 µg/m³

20Good

7:00 AM 💨 PM2.5 3.6 µg/m³

19Good

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

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Grand Forks, ND Air Quality

Air quality in Grand Forks

Hour by hour (12h)

Next few days

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