Air Quality in Richmond Hill, Canada
Windy
14.0°C · 88.5% humidity
14.0°
Feels 14.0°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
36
2pm
32
32
30
5pm
35
35
35
8pm
48
48
48
11pm
48
48
48
2am
48
48
48
5am
48
35
35
8am
48
48
35
11am
35
35
Station readings
36
32
32
30
CAMS model
adj -2
37
37
37
37
37
37
37
50
50
50
50
50
50
50
50
50
50
37
37
50
50
37
37
37
PM2.5 Trend (24h)
27h · 2 stations88.5%
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
PM2.52.99 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
2.99
Median
2.99
Average
0.11
Low
5.86
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +5.9
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?
25
NASA GSFC Rutgers Calib. N20
61
Toronto North, Ontario, Canada
59
Toronto North, Ontario, Canada
50
Toronto North, Ontario, Canada
42
Toronto East, Ontario, Canada
46
Toronto East, Ontario, Canada
42
Newmarket, Ontario, Canada
46
Newmarket, Ontario, Canada
33
Newmarket, Ontario, Canada
50
Newmarket, 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 2026-04-09T17:38 UTC.