Air Quality in Richmond Hill, United States

Windy
13.4°C · 69.7% humidity
13.4°
Feels 13.4°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
42 8pm
62
62
17 11pm
30
39
45 2am
50
54
56 5am
38
39
40 8am
60
61
61 11am
61
62
62 2pm
62
62
62 5pm
42
42
Station readings
96
20
CAMS model adj +8
34
54
54
54
54
54
54
54
54
54
34
34
34
54
54
54
54
54
54
54
54
54
34
34
AD 728×90

Air Quality Index Trend

16h · 1 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.

69.7%
Humidity
51.7 km/h
Wind W
1001.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
17
4.13 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

16h · 1 station
PM2.54.13 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
4.13
Median
4.17
Average
1.9
Low
6.5
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +5.5
06-09
34.5° 13.4°
0.38 mm
06-10
23.2° 20.0°
15.0 mm
06-11
26.2° 14.6°
06-12
25.8° 16.4°
17.69 mm
06-13
25.3° 18.7°
3.88 mm
06-14
25.8° 18.9°
13.31 mm
06-15
25.4° 18.1°
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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 2026-06-09T03:15 UTC.