Air quality in Ontario

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

LAST UPDATE (local time)

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Air Quality contributors Sources

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*IQAir’s AQI data modeled using satellite data. Learn more

Ontario does not have air monitor data

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Weather

What is the current weather in Ontario?

Weather icon
WeatherScattered clouds
Temperature39.2°C
Humidity90%
Wind4 mp/h
Pressure1016 mb

live aqi city ranking

Real-time USA city ranking

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#cityUS AQI
1 Lovelock, Nevada

228

2 Shorewood Hills, Wisconsin

166

3 Cedar Mill, Oregon

156

4 Hardin, Montana

152

5 Trinity, California

143

6 Peotone, Illinois

138

7 Myrtle Grove, North Carolina

130

8 Takoma Park, Maryland

130

9 Evanston, Illinois

128

10 Ogden, North Carolina

120

(local time)

SEE WORLD AQI RANKING

live Ontario aqi ranking

Real-time Ontario air quality ranking

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City AQI based on satellite data. No ground level station currently available in Ontario.

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US AQI

29 *

live AQI index
Good

Human face indicating AQI level

Overview

What is the current air quality in Ontario?

Air pollution levelAir quality indexMain pollutant
Good 29 US AQIPM2.5
PollutantsConcentration
PM2.5
7.1 µg/m³

PM2.5 concentration in Ontario air currently meets the WHO annual air quality guideline value

Health Recommendations

How to protect from air pollution in Ontario?

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Forecast

Ontario air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Today

Good 29 US AQI

Human face indicating AQI level
Weather icon55.4°39.2°
Wind rotating 129 degree

8.9 mp/h

Sunday, Oct 24

Good 25 US AQI

Human face indicating AQI level
Weather icon62.6°48.2°
Wind rotating 55 degree

13.4 mp/h

Monday, Oct 25

Good 17 US AQI

Human face indicating AQI level
Weather icon55.4°50°
Wind rotating 16 degree

15.7 mp/h

Tuesday, Oct 26

Good 10 US AQI

Human face indicating AQI level
Weather icon53.6°48.2°
Wind rotating 30 degree

15.7 mp/h

Wednesday, Oct 27

Good 18 US AQI

Human face indicating AQI level
Weather icon55.4°44.6°
Wind rotating 69 degree

11.2 mp/h

Thursday, Oct 28

Good 12 US AQI

Human face indicating AQI level
Weather icon53.6°48.2°
Wind rotating 94 degree

17.9 mp/h

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Historical

Historic air quality graph for Ontario

How to best protect from air pollution?

Reduce your air pollution exposure in Ontario

Where is the cleanest air quality in Ontario?

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