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WeatherLiveOntarioChathamAir Quality

Chatham, ON Air Quality

← Chatham

Air quality in Chatham

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
48
Good
PM2.5
5.3 µg/m³
WHO guideline 15
PM10
5.7 µg/m³
WHO guideline 45
NO₂ · O₃
2 · 106
µg/m³

Hour by hour (12h)

US EPA AQI
2:00 PM 💨 PM2.5 5.3 µg/m³
48Good
3:00 PM 💨 PM2.5 5.4 µg/m³
55Moderate
4:00 PM 💨 PM2.5 5.4 µg/m³
58Moderate
5:00 PM 💨 PM2.5 5.1 µg/m³
55Moderate
6:00 PM 💨 PM2.5 4.7 µg/m³
49Good
7:00 PM 💨 PM2.5 4.2 µg/m³
45Good
8:00 PM 💨 PM2.5 3.6 µg/m³
40Good
9:00 PM 💨 PM2.5 3.3 µg/m³
36Good
10:00 PM 💨 PM2.5 3.1 µg/m³
31Good
11:00 PM 💨 PM2.5 3.2 µg/m³
27Good
12:00 AM 💨 PM2.5 3.4 µg/m³
25Good
1:00 AM 💨 PM2.5 3.7 µg/m³
22Good

Next few days

daily max · US EPA AQI
Thu 💨 Moderate · UV High
58
Fri 💨 Moderate · UV High
95
Sat 💨 Moderate · UV High
61
Sun 💨 Good · UV High
35
Mon 💨 Good · UV High
19
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Updated: 2:50 PM