Air Quality in Niagara Falls, 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

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
AD 728×90

Air Quality Index Trend

8h · 1 stn

Niagara Falls'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 Falls 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▲
91
30.95 µg/m³
PM10
65
84.3 µg/m³
050100150200300500

What is the weather forecast for Niagara Falls?

Temperature & Precipitation

PM2.5 Trend

8h · 1 station
PM2.530.95 µg/m³ ×2.1 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX14.9
Extreme
AD 300×250

What is the 7-day forecast for Niagara Falls?

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: 3.1°C

Where are air quality stations near Niagara Falls?

33
St. Catharines, Ontario, Canada
15.2 km PM2.5: 7.9 µg/m³
42
St. Catharines, Ontario, Canada
15.2 km PM2.5: 10.1 µg/m³
19
Tonawanda II, New York, USA
17.7 km PM2.5: 4.6 µg/m³
48
Tonawanda II, New York, USA
17.7 km PM2.5: 11.5 µg/m³
61
Buffalo
28.2 km PM2.5: 16.9 µg/m³
18
Buffalo Near Road, New York, USA
31.5 km PM2.5: 4.3 µg/m³
57
Buffalo, New York, USA
32.4 km PM2.5: 15.0 µg/m³

What cities are near Niagara Falls?

91 Niagara Falls 116 Thorold 91 Grand Island 116 St. Catharines 91 Niagara-on-the-Lake 91 North Tonawanda 116 Welland 91 Kenmore 91 Fort Erie 91 Amherst
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:20 UTC.