Air Quality in Newmarket, Canada
Drizzle
7.0°C · 96.6% humidity
7.0°
Feels -0.1°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Newmarket's air quality — share it
AQI Forecast
Calibrated
31
5pm
31
31
48
8pm
43
40
39
11pm
37
34
33
2am
33
32
32
5am
32
31
31
8am
33
33
33
11am
40
40
60
2pm
60
60
Station readings
26h ago
AQI 31
PM2.5 7.4 µg/m³ · 26h ago
Air Quality Index Trend
48h · 10 stnNewmarket's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
96.6%
Humidity
88.8 km/h
Wind NW
1000.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Newmarket?
Temperature & Precipitation
PM2.5 Trend
48h · 10 stationsPM2.511.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
11.5
Median
11.5
Average
11.5
Low
11.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -5.2
What is the 7-day forecast for Newmarket?
06-09
29.8° 7.0°
0.81 mm
06-10
15.7° 11.5°
0.06 mm
06-11
24.8° 7.7°
06-12
25.4° 15.1°
06-13
21.7° 17.6°
3.69 mm
06-14
25.7° 12.1°
0.38 mm
06-15
28.4° 16.1°
2.31 mm
Both models agree
Avg diff: 7.1°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T00:51 UTC.