Air Quality in Richmond Hill, Canada

Windy
21.5°C · 37.0% humidity
21.5°
Feels 21.5°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
60 12am
57
59
49 3am
55
59
62 6am
47
37
11 9am
10
11
11 12pm
11
11
12 3pm
12
12
12 6pm
12
11
11 9pm
11
11
Station readings
60
57
59
49
CAMS model adj -13
66
66
83
83
83
83
83
66
54
27
25
25
25
25
25
25
25
25
25
25
24
24
24
24
AD 728×90

Air Quality Index Trend

48h · 4 stn

Richmond Hill's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

37.0%
Humidity
71.0 km/h
Wind NNW
1014.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
49
11.69 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Richmond Hill?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations
PM2.511.69 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (10 stations within 25 km)
11.69
Median
12.66
Average
8.2
Low
17.06
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +2.0

What is the 7-day forecast for Richmond Hill?

08-03
23.2° 17.5°
3.62 mm
08-04
25.9° 16.9°
0.56 mm
08-05
33.0° 13.8°
08-06
28.1° 18.1°
7.25 mm
08-07
27.2° 12.8°
3.56 mm
08-08
34.1° 16.9°
0.44 mm
08-09
36.0° 18.7°
1.31 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Richmond Hill?

48
NASA GSFC Rutgers Calib. N20
9.4 km PM2.5: 11.6 µg/m³
55
Toronto North, Ontario, Canada
10.1 km PM2.5: 14.0 µg/m³
37
Toronto North, Ontario, Canada
10.1 km PM2.5: 8.9 µg/m³
50
Toronto North, Ontario, Canada
10.1 km PM2.5: 12.0 µg/m³
50
Toronto North, Ontario, Canada
10.1 km PM2.5: 12.0 µg/m³
42
Toronto East, Ontario, Canada
19.0 km PM2.5: 10.1 µg/m³
39
Toronto East, Ontario, Canada
19.0 km PM2.5: 9.4 µg/m³
50
Toronto East, Ontario, Canada
19.0 km PM2.5: 12.0 µg/m³
38
Toronto East, Ontario, Canada
19.0 km PM2.5: 9.1 µg/m³
42
Toronto East, Ontario, Canada
19.0 km PM2.5: 10.1 µg/m³

What cities are near Richmond Hill?

47 Vaughan 44 Newtonbrook East 44 Newtonbrook West 47 Hillcrest Village 45 Westminster-Branson 48 Steeles 44 Willowdale West 45 Bayview Village 45 Willowdale East 47 Don Valley Village
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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 2026-08-08T07:07 UTC.