Air Quality in Niagara-on-the-Lake, Canada

Clear
19.9°C · 44.8% humidity
19.9°
Feels 19.9°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
36 8pm
36
36
35 11pm
16
16
9 2am
9
9
7 5am
7
7
7 8am
6
6
7 11am
7
9
7 2pm
7
7
7 5pm
7
7
Station readings
36
38
34
34
CAMS model adj -18
54
54
54
54
34
34
27
27
27
25
25
25
25
24
24
25
25
27
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

30h · 1 stn

Niagara-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.

44.8%
Humidity
17.6 km/h
Wind NW
1015.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
35
8.3 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Niagara-on-the-Lake?

Temperature & Precipitation

PM2.5 Trend

30h · 1 station
PM2.58.3 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (2 stations within 25 km)
8.3
Median
8.3
Average
8.2
Low
8.4
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +5.2

What is the 7-day forecast for Niagara-on-the-Lake?

08-03
24.3° 19.9°
4.0 mm
08-04
31.6° 18.5°
7.63 mm
08-05
30.3° 16.4°
0.56 mm
08-06
25.6° 19.0°
5.56 mm
08-07
26.8° 18.7°
0.5 mm
08-08
31.6° 19.8°
0.06 mm
08-09
33.3° 20.4°
0.13 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Niagara-on-the-Lake?

36
St. Catharines, Ontario, Canada
16.2 km PM2.5: 8.6 µg/m³
34
St. Catharines, Ontario, Canada
16.2 km PM2.5: 8.2 µg/m³
30
St. Catharines, Ontario, Canada
16.2 km PM2.5: 7.2 µg/m³
35
St. Catharines, Ontario, Canada
16.2 km PM2.5: 8.4 µg/m³
34
St. Catharines, Ontario, Canada
16.2 km PM2.5: 8.2 µg/m³
39
St. Catharines, Ontario, Canada
16.2 km PM2.5: 9.4 µg/m³
34
St. Catharines, Ontario, Canada
16.2 km PM2.5: 8.2 µg/m³

What cities are near Niagara-on-the-Lake?

35 St. Catharines 35 Niagara Falls 35 Thorold 35 Niagara Falls 54 Grand Island 45 North Tonawanda 35 Welland 26 Lockport 31 Kenmore 31 Amherst
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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 2026-08-08T03:57 UTC.