Air quality near Cornwall, Ontario

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

Last update at (local time)

936 people follow this station

  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
IQAir map with AQI colorful pins

AIR QUALITY DATA CONTRIBUTORS

Join the movement!

Get a monitor and contributor to air quality data in your city.

BECOME A CONTRIBUTOR
Find out more about contributors and data sources

Pollen

What is the pollen count in Ontario today?

IndexHigh
Tree pollenLow
Grass pollenLow
Weed pollenHigh
See pollen forecast

Weather

What is the current weather near Cornwall, Ontario?

Weather icon
WeatherMist
Temperature53.6°F
Humidity94%
Wind0 mp/h
Pressure30.3 Hg

live aqi city ranking

Real-time Canada city ranking

#cityUS AQI
1 Yellowknife, Northwest Territories

318

2 Kamloops, British Columbia

83

3 Ladysmith, British Columbia

81

4 Salmon Arm, British Columbia

79

5 Victoria, British Columbia

75

6 Nanaimo, British Columbia

74

7 Grimshaw, Alberta

70

8 Medicine Hat - Crescent Hts, Alberta

70

9 Parksville, British Columbia

70

10 Vancouver BC, British Columbia

70

(local time)

SEE WORLD AQI RANKING

live aqi station ranking

Real-time Cornwall air quality ranking

#stationUS AQI
1 Cornwall

50

(local time)

SEE WORLD AQI RANKING

#1 Air Quality App

Free iOS and Android air quality app

AirVisual App, Free iOS and Android air quality app

US AQI

50

live AQI index
Good

Human face indicating AQI level

Overview

What is the current air quality near Cornwall, Ontario?

Air pollution levelAir quality indexMain pollutant
Good 50 US AQIPM2.5
PollutantsConcentration
PM2.5
12µg/m³
O3
4µg/m³trend
NO2
10.7µg/m³trend

Health Recommendations

How to protect from air pollution in Cornwall?

An open window icon Open your windows to bring clean, fresh air indoors
GET A MONITOR
A man cycling icon Enjoy outdoor activities

News

The latest air quality news and resources.

News

How to become a Clean Air Facility

News

IQAir safeguards air quality at the 9/11 Museum Workshop

News

Get ready for World Clean Air Day

Forecast

Cornwall, Ontario air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Wednesday, Sep 20

Good 27 AQI US

Human face indicating AQI level
Thursday, Sep 21

Good 37 AQI US

Human face indicating AQI level
Friday, Sep 22

Moderate 54 AQI US

Human face indicating AQI level
Today

Good 50 AQI US

Human face indicating AQI level
Weather icon
69.8° 51.8°
Wind rotating 60 degree 6.7 mp/h
Sunday, Sep 24

Moderate 59 AQI US

Human face indicating AQI level
Weather icon
69.8° 51.8°
Wind rotating 61 degree 6.7 mp/h
Monday, Sep 25

Moderate 59 AQI US

Human face indicating AQI level
Weather icon
68° 46.4°
Wind rotating 59 degree 11.2 mp/h
Tuesday, Sep 26

Good 26 AQI US

Human face indicating AQI level
Weather icon
66.2° 44.6°
Wind rotating 61 degree 8.9 mp/h
Wednesday, Sep 27

Good 12 AQI US

Human face indicating AQI level
Weather icon
68° 42.8°
Wind rotating 66 degree 6.7 mp/h
Thursday, Sep 28

Good 19 AQI US

Human face indicating AQI level
Weather icon
69.8° 46.4°
Wind rotating 69 degree 6.7 mp/h
Friday, Sep 29

Good 24 AQI US

Human face indicating AQI level
Weather icon
71.6° 50°
Wind rotating 76 degree 4.5 mp/h

Interested in hourly forecast? Get the app

Historical

Historic air quality graph: Cornwall, Ontario

How to best protect from air pollution?

Reduce your air pollution exposure in Cornwall, Ontario

Cornwall air quality data attribution

Where is the cleanest air quality in Cornwall?

Cart
Your cart is empty

Connect With IQAir

Sign up for our newsletter