Air quality in St. Catharines

Air quality index (AQI) and PM2.5 air pollution in St. Catharines

Last update at (local time)

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AIR QUALITY DATA CONTRIBUTORS

1 Station operated by

Government of Ontario, Ministry of the Environment

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Pollen

What is the pollen count in St. Catharines today?

IndexNone
Tree pollenNone
Grass pollenNone
Weed pollenNone
Source: tomorrow.io
See pollen forecast

Weather

What is the current weather in St. Catharines?

Weather icon
WeatherClear sky
Temperature60.8°F
Humidity86%
Wind7.6 mp/h
Pressure30.1 Hg

live aqi city ranking

Real-time Canada city ranking

#cityUS AQI
1The national flag of International Fort St John, British Columbia

392

2The national flag of International Chetwynd, British Columbia

330

3The national flag of International Lac La Biche, Alberta

257

4The national flag of International Fort Mckay, Alberta

197

5The national flag of International Patricia Mcinnes, Alberta

197

6The national flag of International Gibbons, Alberta

191

7The national flag of International Sherwood Park, Alberta

165

8The national flag of International St. Albert, Alberta

153

9The national flag of International Edmonton, Alberta

133

10The national flag of International Devon, Alberta

108

(local time)

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live St. Catharines aqi ranking

Real-time St. Catharines air quality ranking

#stationUS AQI
1 St. Catharines Station

33

(local time)

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Free iOS and Android air quality app

AirVisual App, Free iOS and Android air quality app

US AQI

33

live AQI index
Good

Human face indicating AQI level

Overview

What is the current air quality in St. Catharines?

Air pollution levelAir quality indexMain pollutant
Good 33 US AQIPM2.5
PollutantsConcentration
PM2.5
6µg/m³
O3
62µg/m³trend
NO2
5.1µg/m³trend
!

PM2.5

x1.2

PM2.5 concentration in St. Catharines is currently 1.2 times the WHO annual air quality guideline value

Health Recommendations

What is the current air quality in St. Catharines?

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Forecast

St. Catharines air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Wednesday, Jul 17

Good 34 AQI US

Human face indicating AQI level
Weather icon
71.6° 60.8°
Wind rotating 327 degree 11.2 mp/h
Thursday, Jul 18

Good 24 AQI US

Human face indicating AQI level
Weather icon
75.2° 59°
Wind rotating 210 degree 8.9 mp/h
Friday, Jul 19

Good 31 AQI US

Human face indicating AQI level
Weather icon
77° 60.8°
Wind rotating 235 degree 8.9 mp/h
Today

Good 33 AQI US

Human face indicating AQI level
Weather icon
77° 60.8°
Wind rotating 235 degree 8.9 mp/h
Sunday, Jul 21

Moderate 68 AQI US

Human face indicating AQI level
Weather icon 30%
75.2° 62.6°
Wind rotating 287 degree 6.7 mp/h
Monday, Jul 22

Moderate 70 AQI US

Human face indicating AQI level
Weather icon 30%
77° 66.2°
Wind rotating 18 degree 6.7 mp/h
Tuesday, Jul 23

Moderate 64 AQI US

Human face indicating AQI level
Weather icon 30%
78.8° 68°
Wind rotating 214 degree 4.5 mp/h
Wednesday, Jul 24

Moderate 61 AQI US

Human face indicating AQI level
Weather icon 80%
78.8° 69.8°
Wind rotating 219 degree 13.4 mp/h
Thursday, Jul 25

Moderate 63 AQI US

Human face indicating AQI level
Weather icon 90%
80.6° 68°
Wind rotating 273 degree 8.9 mp/h
Friday, Jul 26

Moderate 66 AQI US

Human face indicating AQI level
Weather icon
78.8° 66.2°
Wind rotating 220 degree 11.2 mp/h

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How to best protect from air pollution?

Reduce your air pollution exposure in St. Catharines

St. Catharines air quality data attribution

1Contributor

Where is the cleanest air quality in St. Catharines?

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