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
39 9pm
39
39
35 12am
30
20
18 3am
16
13
12 6am
12
11
10 9am
10
10
10 12pm
12
10
10 3pm
10
10
10 6pm
10
10
Station readings
38
34
34
34
CAMS model adj -15
54
54
54
34
34
27
27
27
25
25
25
25
24
24
25
25
27
25
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
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
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 2026-08-08T04:55 UTC.