Air quality in Halifax
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.
PM2.5
16.4 µg/m³
WHO guideline 15
PM10
22.9 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
1:00 AM
💨
PM2.5 16.4 µg/m³
60 Moderate
2:00 AM
💨
PM2.5 15.8 µg/m³
59 Moderate
3:00 AM
💨
PM2.5 14.4 µg/m³
56 Moderate
4:00 AM
💨
PM2.5 13.5 µg/m³
54 Moderate
5:00 AM
💨
PM2.5 12.8 µg/m³
52 Moderate
6:00 AM
💨
PM2.5 11.8 µg/m³
49 Good
7:00 AM
💨
PM2.5 11.2 µg/m³
47 Good
8:00 AM
💨
PM2.5 11.3 µg/m³
47 Good
9:00 AM
💨
PM2.5 10.8 µg/m³
45 Good
10:00 AM
💨
PM2.5 11.8 µg/m³
49 Good
11:00 AM
💨
PM2.5 10 µg/m³
42 Good
12:00 PM
💨
PM2.5 6.7 µg/m³
29 Good
Next few days daily max · US EPA AQI
Tue
💨
Moderate · UV Low
60
Sat
💨
Good · UV Moderate
34
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain