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
Humidity55%
Wind4.6 mp/h
Pressure1016 mb

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 Healy, Alaska

185

2 North Pole, Alaska

158

3 Anchor Point, Alaska

152

4 Farmers Loop, Alaska

126

5 Fairbanks, Alaska

121

6 Bethel, North Carolina

114

7 Willow, Alaska

112

8 Valdez, Alaska

110

9 College, Alaska

105

10 Anchorage, Alaska

99

(local time)

SEE WORLD AQI RANKING

live Ontario aqi ranking

Real-time Ontario air quality ranking

#stationUS AQI
1 South Pinehurst Place

65

(local time)

SEE WORLD AQI RANKING

US AQI

56

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 56 US AQIPM2.5
PollutantsConcentration
PM2.5
14.6µg/m³
!

PM2.5

x2.9

PM2.5 concentration in Ontario is currently 2.9 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
Saturday, Jun 25

Moderate 66 US AQI

Human face indicating AQI level
Weather icon98.6°73.4°
Wind rotating 245 degree

8.9 mp/h

Sunday, Jun 26

Moderate 66 US AQI

Human face indicating AQI level
Weather icon100.4°78.8°
Wind rotating 247 degree

11.2 mp/h

Monday, Jun 27

Moderate 66 US AQI

Human face indicating AQI level
Weather icon96.8°78.8°
Wind rotating 247 degree

11.2 mp/h

Tuesday, Jun 28

Good 41 US AQI

Human face indicating AQI level
Weather icon95°73.4°
Wind rotating 248 degree

11.2 mp/h

Today

Moderate 56 US AQI

Human face indicating AQI level
Weather icon93.2°73.4°
Wind rotating 246 degree

11.2 mp/h

Thursday, Jun 30

Good 45 US AQI

Human face indicating AQI level
Weather icon93.2°73.4°
Wind rotating 248 degree

11.2 mp/h

Friday, Jul 1

Good 42 US AQI

Human face indicating AQI level
Weather icon89.6°71.6°
Wind rotating 249 degree

11.2 mp/h

Saturday, Jul 2

Good 30 US AQI

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

11.2 mp/h

Sunday, Jul 3

Good 28 US AQI

Human face indicating AQI level
Weather icon87.8°66.2°
Wind rotating 248 degree

11.2 mp/h

Monday, Jul 4

Good 26 US AQI

Human face indicating AQI level
Weather icon91.4°69.8°
Wind rotating 245 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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