Air Quality in Niagara-on-the-Lake, Canada
Windy
23.8°C · 75.2% humidity
23.8°
Feels 23.8°
91
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Niagara-on-the-Lake's air quality — share it
AQI Forecast
Calibrated
24
10am
24
24
91
1pm
92
78
69
4pm
62
57
33
7pm
30
20
18
10pm
17
17
18
1am
18
18
15
4am
15
15
15
7am
17
14
Station readings
18h ago
AQI 82
PM2.5 26.8 µg/m³ · 18h ago
CAMS model
adj -10
34
34
34
34
54
54
54
54
54
34
34
25
25
25
25
27
27
27
25
25
25
25
27
24
Air Quality Index Trend
8h · 1 stnNiagara-on-the-Lake'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 Niagara-on-the-Lake is 2.1× the WHO 24-hour guideline of 15 µg/m³.
75.2%
Humidity
70.9 km/h
Wind NE
1014.5 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
30.95 µg/m³
PM10
84.3 µg/m³
050100150200300500
What is the weather forecast for Niagara-on-the-Lake?
Temperature & Precipitation
PM2.5 Trend
8h · 1 stationPM2.530.95 µg/m³
×2.1 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX14.9
Extreme
What is the 7-day forecast for Niagara-on-the-Lake?
07-21
26.2° 21.3°
07-22
24.4° 19.5°
0.94 mm
07-23
20.8° 17.8°
0.69 mm
07-24
23.8° 15.8°
07-25
22.2° 17.0°
4.75 mm
07-26
24.9° 20.4°
6.19 mm
07-27
26.6° 20.6°
1.75 mm
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Niagara-on-the-Lake?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:27 UTC.