Air Quality in Richmond Hill, Canada

Windy
6.9°C · 78.9% humidity
6.9°
Feels 1.8°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
25 1am
25
24
21 4am
24
24
24 7am
24
24
24 10am
24
24
24 1pm
24
24
24 4pm
24
24
24 7pm
24
25
27 10pm
27
27
AD 728×90

Air Quality Index Trend

48h · 11 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.

78.9%
Humidity
40.9 km/h
Wind N
1022.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.13 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Richmond Hill?

Temperature & Precipitation

PM2.5 Trend

48h · 11 stations
PM2.55.13 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
5.13
Median
5.92
Average
2.34
Low
8.2
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +0.7

What is the 7-day forecast for Richmond Hill?

05-30
18.4° 6.9°
0.06 mm
05-31
25.6° 5.9°
06-01
28.3° 13.6°
06-02
20.1° 7.5°
0.38 mm
06-03
22.9° 18.7°
0.06 mm
06-04
19.7° 10.8°
06-05
22.0° 7.4°
0.56 mm
Both models agree Avg diff: 6.1°C

Where are air quality stations near Richmond Hill?

11
NASA GSFC Rutgers Calib. N20
9.4 km PM2.5: 2.7 µg/m³
15
Toronto North, Ontario, Canada
10.1 km PM2.5: 3.6 µg/m³
158
Toronto North, Ontario, Canada
10.1 km PM2.5: 69.1 µg/m³
10
Toronto East, Ontario, Canada
19.0 km PM2.5: 2.4 µg/m³
21
Toronto East, Ontario, Canada
19.0 km PM2.5: 5.0 µg/m³
17
Toronto East, Ontario, Canada
19.0 km PM2.5: 4.1 µg/m³
17
Newmarket, Ontario, Canada
19.6 km PM2.5: 4.1 µg/m³
15
Newmarket, Ontario, Canada
19.6 km PM2.5: 3.6 µg/m³
21
Toronto West, Ontario, Canada
19.9 km PM2.5: 5.0 µg/m³
53
Toronto Downtown, Ontario, Canada
23.5 km PM2.5: 13.1 µg/m³

What cities are near Richmond Hill?

18 Vaughan 26 Newtonbrook East 25 Newtonbrook West 23 Hillcrest Village 15 Westminster-Branson 23 Steeles 25 Willowdale West 25 Bayview Village 25 Willowdale East 24 Don Valley Village
Get AQI alerts for Richmond Hill

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T08:15 UTC.