Air Quality in Chatham, Canada
Partly Cloudy
28.5°C · 58.4% humidity
28.5°
Feels 32.0°
89
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Chatham's air quality — share it
AQI Forecast
Calibrated
87
10am
87
87
89
1pm
87
87
85
4pm
85
85
85
7pm
85
85
85
10pm
85
85
85
1am
85
85
85
4am
87
94
114
7am
94
84
Station readings
18h ago
AQI 97
PM2.5 34.0 µg/m³ · 18h ago
CAMS model
adj +60
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
25
27
34
54
34
24
Air Quality Index Trend
8h · 1 stnChatham's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Chatham is 2.0× the WHO 24-hour guideline of 15 µg/m³.
58.4%
Humidity
31.7 km/h
Wind E
1013.4 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
30.1 µg/m³
PM10
59.3 µg/m³
050100150200300500
What is the weather forecast for Chatham?
Temperature & Precipitation
PM2.5 Trend
8h · 1 stationPM2.530.1 µg/m³
×2.0 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX7.9
Very High
What is the 7-day forecast for Chatham?
07-21
28.5° 20.7°
3.62 mm
07-22
25.2° 18.8°
2.81 mm
07-23
21.7° 15.4°
0.81 mm
07-24
25.0° 13.8°
0.25 mm
07-25
21.7° 16.1°
5.19 mm
07-26
27.3° 16.6°
0.69 mm
07-27
27.6° 21.1°
0.56 mm
Both models agree
Avg diff: 4.0°C
Where are air quality stations near Chatham?
What cities are near Chatham?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:17 UTC.