Air Quality in Orillia, Canada
Clear
30.9°C · 30.4% humidity
30.9°
Feels 30.9°
78
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Orillia's air quality — share it
AQI Forecast
27
10am
27
25
78
1pm
63
52
44
4pm
39
35
32
7pm
30
31
30
10pm
29
28
26
1am
26
25
25
4am
25
25
25
7am
25
24
Air Quality Index Trend
48h · 1 stnOrillia's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Orillia is 1.7× the WHO 24-hour guideline of 15 µg/m³.
30.4%
Humidity
7.1 km/h
Wind ESE
1014.4 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
25.03 µg/m³
PM10
84.3 µg/m³
050100150200300500
What is the weather forecast for Orillia?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.525.03 µg/m³
×1.7 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX12.9
Extreme
What is the 7-day forecast for Orillia?
07-21
30.9° 18.8°
6.13 mm
07-22
28.1° 16.2°
07-23
19.9° 14.7°
0.19 mm
07-24
22.9° 14.6°
07-25
26.7° 14.1°
2.75 mm
07-26
27.0° 18.2°
4.06 mm
07-27
29.7° 18.9°
Both models agree
Avg diff: 3.2°C
What cities are near Orillia?
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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 2026-07-21T17:19 UTC.