What is the air quality in Welland today?

The current Air Quality Index (AQI) in Welland is 36 (Good). PM2.5 concentration is 8.63 µg/m³.

What is the temperature in Welland right now?

The current temperature in Welland is 10.5°C (feels like 10.5°C). Humidity is 74.0% and wind speed is 58.5 km/h.

Is it safe to go outside in Welland?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Welland, Canada

Windy

10.5°C · 74.0% humidity

10.5°

Feels 10.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

25 9pm

36 12am

37 3am

28 6am

25 9am

24 12pm

24 3pm

24 6pm

Air Quality Index Trend

47h · 4 stn

View full history →

Welland's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

74.0%

Humidity

58.5 km/h

Wind NNE

1022.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.63 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Welland?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations

PM2.58.63 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (3 stations within 25 km)

8.63

Median

8.63

Average

8.2

Low

9.1

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -2.6

What is the 7-day forecast for Welland?

05-30

17.9° 10.5°

0.06 mm

05-31

24.9° 8.1°

06-01

24.9° 14.3°

0.13 mm

06-02

17.0° 11.2°

0.56 mm

06-03

24.0° 16.9°

0.13 mm

06-04

20.4° 13.0°

06-05

23.6° 10.3°

4.63 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Welland?

189

St. Catharines, Ontario, Canada

19.7 km PM2.5: 129.1 µg/m³

St. Catharines, Ontario, Canada

19.7 km PM2.5: 13.1 µg/m³

What cities are near Welland?

35 Port Colborne 36 Thorold 36 Niagara Falls 36 Niagara Falls 36 St. Catharines 14 Grand Island 14 Fort Erie 14 Kenmore 14 North Tonawanda 14 Buffalo

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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 2026-05-30T04:07 UTC.