What is the air quality in Welland today?

The current Air Quality Index (AQI) in Welland is 30 (Good). PM2.5 concentration is 7.2 µg/m³.

What is the temperature in Welland right now?

The current temperature in Welland is 8.2°C (feels like 2.3°C). Humidity is 94.5% and wind speed is 68.0 km/h.

Is it safe to go outside in Welland?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Welland, Canada

Drizzle

8.2°C · 94.5% humidity

8.2°

Feels 2.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

33 4pm

30 7pm

33 10pm

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Station readings 25h ago

AQI 33

PM2.5 7.9 µg/m³ · 25h ago

Air Quality Index Trend

48h · 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.

94.5%

Humidity

68.0 km/h

Wind WNW

1001.7 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Welland?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations

PM2.57.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX1.4

Low

Station readings (2 stations within 25 km)

7.2

Median

7.2

Average

7.2

Low

7.2

High

PM2.5 µg/m³ · Model: 6.25 · Bias: -0.9

What is the 7-day forecast for Welland?

06-08

23.6° 7.4°

3.06 mm

06-09

27.5° 8.1°

0.75 mm

06-10

18.1° 12.9°

4.44 mm

06-11

21.9° 9.7°

06-12

25.1° 16.4°

06-13

22.1° 18.6°

1.56 mm

06-14

26.3° 13.1°

0.06 mm

Both models agree Avg diff: 6.5°C

Where are air quality stations near Welland?

St. Catharines, Ontario, Canada

19.7 km PM2.5: 17.8 µg/m³

St. Catharines, Ontario, Canada

19.7 km PM2.5: 1.9 µg/m³

What cities are near Welland?

26 Port Colborne 30 Thorold 24 Niagara Falls 23 Niagara Falls 30 St. Catharines 11 Grand Island 23 Fort Erie 12 Kenmore 10 North Tonawanda 28 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 2026-06-08T23:10 UTC.