Air quality in Ontario

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

LAST UPDATE (local time)

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Data source
* AQI modeled using satellite data

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Weather

What is the current weather in Ontario?

WeatherClear sky
Temperature75.2°C
Humidity29%
Wind5.8 mp/h
Pressure1015 mb

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1Union

155

2Baldwin City

118

3Hidden Valley

100

4Lewiston

98

5Mount Holly

98

6Poteau

95

7La Jolla Shores

94

8Steamboat Springs

93

9Malta

92

10Clear Lake Riviera

86

(local time)

SEE WORLD AQI RANKING

live Ontario aqi ranking

Real-time Ontario air quality ranking

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

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Ontario webcam

4:06, Aug 9

Is there air pollution in Ontario?

US AQI

9 *

live AQI index
Good

Overview

What is the current air quality in Ontario?

Air pollution levelAir quality indexMain pollutant
Good9 US AQIPM2.5
PollutantsConcentration
PM2.5
2.1 µg/m³

Health Recommendations

How to protect from air pollution in Ontario?

Open your windows to bring clean, fresh air indoors
Enjoy outdoor activities

Forecast

Ontario air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Monday, Jun 3

Good18 US AQI

Tuesday, Jun 4

Good19 US AQI

Wednesday, Jun 5

Good25 US AQI

Today

Good17 US AQI

face icon
weather icon89.6°62.6°

6.7 mp/h

Sunday, Aug 9

Good23 US AQI

face icon
weather icon91.4°59°

4.5 mp/h

Monday, Aug 10

Good21 US AQI

face icon
weather icon98.6°60.8°

0 mp/h

Tuesday, Aug 11

Good16 US AQI

face icon
weather icon91.4°59°

4.5 mp/h

Wednesday, Aug 12

Good18 US AQI

face icon
weather icon96.8°60.8°

4.5 mp/h

Thursday, Aug 13

Good16 US AQI

face icon
weather icon89.6°60.8°

6.7 mp/h

Friday, Aug 14

Good17 US AQI

face icon
weather icon95°59°

4.5 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

Community Contributors

Where is the cleanest air quality in Ontario?

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