Primary Pollutant

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Comparitive Exposure with Ontario

24 hrs avg AQI

Ontario

Canada
26

Pollutants

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Pm 2.5 icon
9 (PM 2.5)
Ozone icon
19 (Ozone)
Nitrogen Dioxide Icon
3 (NO2)
Air Pollution Level in Ontario
CITIES Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
Barrie GOOD 29 29 12 7 0 12 86
Belleville GOOD 38 38 15 9 0 16 91
Bluewater GOOD 29 29 29 7 0 17 90
Brampton GOOD 42 42 24 10 0 16 86
Brantford GOOD 42 42 23 10 0 21 74
Burlington GOOD 38 38 27 9 0 18 72
Chatham GOOD 31 31 33 5 0 19 77
Cornwall MODERATE 53 53 22 13 0 12 100
Guelph UNHEALTHY 153 153 99 59 0 15 90
Hamilton GOOD 45 45 28 11 0 18 78
Huntsville GOOD 17 17 9 4 0 9 99
Kincardine GOOD 15 15 16 3 0 14 91
London MODERATE 53 53 32 13 0 16 87
Loyalist MODERATE 55 55 23 14 0 15 94
Mississauga GOOD 50 50 22 12 0 17 84
Newmarket GOOD 42 42 18 10 0 14 90
North Bay GOOD 18 18 16 3 0 8 86
Oakville GOOD 38 38 25 9 0 17 84
Oliver Paipoonge GOOD 4 4 2 1 0 5 96
Ottawa GOOD 30 30 13 7 0 12 89
Parry Sound GOOD 15 15 16 3 0 13 89
Petawawa GOOD 17 17 16 4 0 10 81
Peterborough GOOD 42 42 17 10 0 15 93
St. Catharines GOOD 29 29 31 6 0 19 88
St. Thomas MODERATE 55 55 30 14 0 16 87
Sudbury GOOD 16 16 17 3 0 8 85
Temiskaming Shores GOOD 13 13 14 2 0 9 81
Thunder Bay GOOD 25 25 10 6 0 4 100
Toronto GOOD 27 27 20 7 0 17 84
Waterloo MODERATE 53 53 24 13 0 15 93
Windsor GOOD 33 33 26 7 0 18 84

Weather Data

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Current weather in Ontario
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Temperature icon
˚C | ˚F

Local Time

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Sunrise
Sunset
06:26 AM
06:26 PM
Wind Speed Icon

Wind speed

33 km/h

UV Index Icon

UV Index

16

Pressure Icon

Pressure

800 mb


Health Advice

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How to protect yourself from air pollution around Ontario, Canada.?
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Wear Mask

Not Required
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Stay Indoors

Not Required
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Windows

Keep Open
use a purifier icon

Use Purifier

Not Required
Family Icon

Family

Allow Outdoor

Ontario Air Quality Forecast



Day

AQI

Weather

Temp.

Today

134

AQI

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Friday

134

AQI

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Saturday

134

AQI

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Sunday

134

AQI

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Monday

134

AQI

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Tuesday

134

AQI

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Wednesday

134

AQI

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Big Cities of Canada
20
27
AQI (IN)
AQI (US)
17˚C / 84%
10
27
AQI (IN)
AQI (US)
14˚C / 91%
10
25
AQI (IN)
AQI (US)
18˚C / 57%
5
13
AQI (IN)
AQI (US)
17˚C / 43%
13
30
AQI (IN)
AQI (US)
12˚C / 89%
12
21
AQI (IN)
AQI (US)
16˚C / 87%
26
33
AQI (IN)
AQI (US)
18˚C / 84%

Historical Data

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Best

Oct 1, 2020

Worst

Oct 1, 2020

0

Historic air quality index graph of Ontario




Comparitive Exposure with Ontario

24 hrs avg AQI

Ontario

Canada
26


How do we calculate Air Quality Index ?

Air Quality Index (AQI) is a numerical value indicative of the aggregate levels of major pollutants in the ambient air. The more the AQI value, the more polluted the ambient air. It is descriptive of the magnitude of air pollution at a particular location.

Know More


Air Quality Solutions in Ontario

Find out Prana Air clean air quality products & solutions to fight air pollution in your region.





FAQs

(Frequently Asked Questions)


Quick answers to some commonly asked questions about the air quality of Ontario.


The real-time AQI in Ontario is 33 (GOOD). This reading was last taken 2 hours ago .

The current concentration of PM2.5 in Ontario is 7 (µg/m³). The World Health Organisation (WHO) recommends 25 µg/m³ as the threshold concentration of PM2.5. Currently, the concentration is 0.28 times the recommended limit.

Generally, the air quality in Ontario starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.