Air quality near St. Catharines, Ontario

Air quality index (AQI) and PM2.5 air pollution near St. Catharines, Ontario

LAST UPDATE (local time)

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Weather

What is the current weather near St. Catharines, Ontario?

WeatherFew clouds
Temperature59°C
Humidity72%
Wind1 mp/h
Pressure1021 mb

live aqi city ranking

Real-time Canada city ranking

#cityUS AQI
1Valemount

164

2Windsor

66

3Lac La Biche

63

4Cranbrook

50

5Medicine Hat - Crescent Hts

45

6Caroline

42

7Chenier

41

8London

41

9Lethbridge

40

10Squamish

40

(local time)

SEE WORLD AQI RANKING

live aqi station ranking

Real-time St. Catharines air quality ranking

#stationUS AQI
1St. Catharines

4

(local time)

SEE WORLD AQI RANKING

US AQI

4

live AQI index
Good

Overview

What is the current air quality near St. Catharines, Ontario?

Air pollution levelAir quality indexMain pollutant
Good4 US AQIPM2.5
PollutantsConcentration
PM2.5
1 µg/m³
no2
8.8 µg/m³

Health Recommendations

How to protect from air pollution in St. Catharines?

Open your windows to bring clean, fresh air indoors
Enjoy outdoor activities

Forecast

St. Catharines, Ontario air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Monday, Aug 3

Good8 US AQI

Tuesday, Aug 4

Good4 US AQI

Wednesday, Aug 5

Good4 US AQI

Today

Good46 US AQI

face icon
weather icon71.6°66.2°

13.4 mp/h

Friday, Aug 7

Moderate55 US AQI

face icon
weather icon77°66.2°

0 mp/h

Saturday, Aug 8

Moderate55 US AQI

face icon
weather icon75.2°68°

8.9 mp/h

Sunday, Aug 9

Moderate81 US AQI

face icon
weather icon82.4°71.6°

15.7 mp/h

Monday, Aug 10

Moderate75 US AQI

face icon
weather icon78.8°69.8°

2.2 mp/h

Tuesday, Aug 11

Good47 US AQI

face icon
weather icon80.6°69.8°

2.2 mp/h

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Historical

Historic air quality graph: St. Catharines, Ontario

How to best protect from air pollution?

Reduce your air pollution exposure in St. Catharines, Ontario

Where is the cleanest air quality in St. Catharines?

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