Air Quality in Richmond Hill, Canada
Windy
14.0°C · 88.5% humidity
14.0°
Feels 14.0°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
38
1pm
36
32
49
4pm
39
39
39
7pm
39
52
52
10pm
52
52
52
1am
52
52
52
4am
52
52
39
7am
39
52
52
10am
39
39
Station readings
38
36
32
49
CAMS model
adj +2
37
37
37
37
37
37
37
37
50
50
50
50
50
50
50
50
50
50
37
37
50
50
37
37
PM2.5 Trend (24h)
26h · 1 station88.5%
Humidity
121.1 km/h
Wind SW
1021.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Richmond Hill?
Temperature & Precipitation
PM2.55.59 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.59
Median
5.59
Average
5.59
Low
5.59
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +3.3
What is the 7-day forecast for Richmond Hill?
04-09
14.0° 0.7°
04-10
15.5° 8.4°
04-11
10.1° 3.0°
9.56 mm
04-12
6.8° 2.0°
04-13
20.2° 5.5°
9.88 mm
04-14
20.6° 15.4°
8.94 mm
04-15
16.3° 4.3°
9.44 mm
Both models agree
Avg diff: 4.0°C
Where are air quality stations near Richmond Hill?
24
NASA GSFC Rutgers Calib. N20
50
Toronto North, Ontario, Canada
61
Toronto North, Ontario, Canada
42
Toronto East, Ontario, Canada
46
Newmarket, Ontario, Canada
33
Newmarket, Ontario, Canada
50
Newmarket, Ontario, Canada
50
Newmarket, Ontario, Canada
42
Toronto West, Ontario, Canada
42
Toronto West, Ontario, Canada
What cities are near Richmond Hill?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T16:58 UTC.