Air quality in Ontario

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

Last update at (local time)

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Weather

What is the current weather in Ontario?

Weather icon
WeatherFew clouds
Temperature60.8°C
Humidity78%
Wind3.4 mp/h
Pressure1012 mb

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 College, Alaska

166

2 Prudhoe Bay, Alaska

165

3 Ester, Alaska

161

4 Fairbanks, Alaska

160

5 Farmers Loop, Alaska

156

6 North Pole, Alaska

148

7 Madawaska, Maine

146

8 Presque Isle, Maine

119

9 Barberton, Ohio

118

10 Delta Junction, Alaska

115

(local time)

SEE WORLD AQI RANKING

live Ontario aqi ranking

Real-time Ontario air quality ranking

#stationUS AQI
1 South Pinehurst Place

53

(local time)

SEE WORLD AQI RANKING

US AQI

53

live AQI index
Moderate

Human face indicating AQI level

Overview

What is the current air quality in Ontario?

Air pollution levelAir quality indexMain pollutant
Moderate 53 US AQItrendPM2.5
PollutantsConcentration
PM2.5
13.2µg/m³trend
!

PM2.5

x2.6

PM2.5 concentration in Ontario is currently 2.6 times the WHO annual air quality guideline value

Health Recommendations

How to protect from air pollution in Ontario?

An open window iconClose your windows to avoid dirty outdoor air
A man cycling iconSensitive groups should reduce outdoor exercise

Forecast

Ontario air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Wednesday, Jun 29

Moderate 62 US AQI

Human face indicating AQI level
Weather icon91.4°73.4°
Wind rotating 245 degree

11.2 mp/h

Thursday, Jun 30

Moderate 70 US AQI

Human face indicating AQI level
Weather icon91.4°71.6°
Wind rotating 248 degree

11.2 mp/h

Friday, Jul 1

Moderate 56 US AQI

Human face indicating AQI level
Weather icon87.8°69.8°
Wind rotating 247 degree

11.2 mp/h

Saturday, Jul 2

Good 40 US AQI

Human face indicating AQI level
Weather icon86°60.8°
Wind rotating 248 degree

11.2 mp/h

Today

Moderate 53 US AQI

Human face indicating AQI level
Weather icon86°64.4°
Wind rotating 249 degree

11.2 mp/h

Monday, Jul 4

Good 44 US AQI

Human face indicating AQI level
Weather icon87.8°68°
Wind rotating 248 degree

11.2 mp/h

Tuesday, Jul 5

Good 36 US AQI

Human face indicating AQI level
Weather icon89.6°68°
Wind rotating 242 degree

8.9 mp/h

Wednesday, Jul 6

Good 37 US AQI

Human face indicating AQI level
Weather icon93.2°71.6°
Wind rotating 251 degree

8.9 mp/h

Thursday, Jul 7

Good 38 US AQI

Human face indicating AQI level
Weather icon98.6°75.2°
Wind rotating 248 degree

8.9 mp/h

Friday, Jul 8

Good 24 US AQI

Human face indicating AQI level
Weather icon100.4°77°
Wind rotating 242 degree

11.2 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

Ontario air quality data attribution

Contributors 0

Data sources 1

Data validated and calibrated by IQAir

Where is the cleanest air quality in Ontario?

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