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
WeatherClear sky
Temperature73.4°C
Humidity52%
Wind6.9 mp/h
Pressure1014 mb

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 Brawley, California

190

2 El Centro, California

174

3 Madawaska, Maine

157

4 Ester, Alaska

154

5 College, Alaska

146

6 Farmers Loop, Alaska

138

7 New Paltz, New York

130

8 North Pole, Alaska

127

9 Fairbanks, Alaska

126

10 Tok, Alaska

122

(local time)

SEE WORLD AQI RANKING

live Ontario aqi ranking

Real-time Ontario air quality ranking

#stationUS AQI
1 South Pinehurst Place

43

(local time)

SEE WORLD AQI RANKING

US AQI

43

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 43 US AQItrendPM2.5
PollutantsConcentration
PM2.5
10.5µg/m³trend
!

PM2.5

x2.1

PM2.5 concentration in Ontario is currently 2.1 times 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
Tuesday, Jun 28

Moderate 61 US AQI

Human face indicating AQI level
Weather icon95°75.2°
Wind rotating 248 degree

11.2 mp/h

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

Today

Good 43 US AQI

Human face indicating AQI level
Weather icon89.6°69.8°
Wind rotating 248 degree

11.2 mp/h

Saturday, Jul 2

Good 46 US AQI

Human face indicating AQI level
Weather icon87.8°66.2°
Wind rotating 247 degree

11.2 mp/h

Sunday, Jul 3

Good 49 US AQI

Human face indicating AQI level
Weather icon86°66.2°
Wind rotating 248 degree

11.2 mp/h

Monday, Jul 4

Moderate 51 US AQI

Human face indicating AQI level
Weather icon87.8°68°
Wind rotating 247 degree

11.2 mp/h

Tuesday, Jul 5

Good 45 US AQI

Human face indicating AQI level
Weather icon89.6°68°
Wind rotating 246 degree

8.9 mp/h

Wednesday, Jul 6

Good 45 US AQI

Human face indicating AQI level
Weather icon96.8°71.6°
Wind rotating 246 degree

11.2 mp/h

Thursday, Jul 7

Good 35 US AQI

Human face indicating AQI level
Weather icon104°78.8°
Wind rotating 250 degree

8.9 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

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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