Air Quality in Richmond Hill, Canada

Drizzle
7.7°C · 95.9% humidity
7.7°
Feels 0.7°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 8pm
30
30
42 11pm
39
35
34 2am
33
32
31 5am
31
31
30 8am
32
32
32 11am
39
39
59 2pm
59
59
59 5pm
59
59
Station readings 29h ago
AQI 30
PM2.5 7.2 µg/m³ · 29h ago
AD 728×90

Air Quality Index Trend

48h · 10 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.

95.9%
Humidity
94.0 km/h
Wind NNW
1002.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.22 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Richmond Hill?

Temperature & Precipitation

PM2.5 Trend

48h · 10 stations
PM2.510.22 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
10.22
Median
8.29
Average
5.8
Low
18.8
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -3.7

What is the 7-day forecast for Richmond Hill?

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

Where are air quality stations near Richmond Hill?

28
NASA GSFC Rutgers Calib. N20
9.4 km PM2.5: 6.8 µg/m³
142
Toronto North, Ontario, Canada
10.1 km PM2.5: 52.2 µg/m³
3
Toronto North, Ontario, Canada
10.1 km PM2.5: 0.7 µg/m³
20
Toronto East, Ontario, Canada
19.0 km PM2.5: 4.8 µg/m³
20
Toronto East, Ontario, Canada
19.0 km PM2.5: 4.8 µg/m³
69
Toronto East, Ontario, Canada
19.0 km PM2.5: 20.7 µg/m³
94
Newmarket, Ontario, Canada
19.6 km PM2.5: 32.5 µg/m³
84
Newmarket, Ontario, Canada
19.6 km PM2.5: 27.8 µg/m³
140
Toronto West, Ontario, Canada
19.9 km PM2.5: 51.3 µg/m³
4
Toronto Downtown, Ontario, Canada
23.5 km PM2.5: 1.0 µg/m³

What cities are near Richmond Hill?

39 Vaughan 62 Newtonbrook East 61 Newtonbrook West 52 Hillcrest Village 43 Westminster-Branson 45 Steeles 62 Willowdale West 58 Bayview Village 62 Willowdale East 52 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 2026-06-09T03:51 UTC.