Sarnia - Air Quality Health Index

Observed ConditionsFootnote †

Calculated at: 3:00 AM EST Monday 9 February 2026

3Low Risk




1
2
3
4
5
6
7
8
9
10
+

Low Risk
(1-3)

Moderate Risk
(4-6)

High Risk
(7-10)

Very High Risk



At-Risk Population:

General Population:

  • Ideal air quality for outdoor activities.

Forecast Maximums

Issued at: 5:00 PM EST Sunday 8 February 2026

Sunday night

2 - Low Risk

Monday

2 - Low Risk

Monday night

3 - Low Risk

Tuesday

3 - Low Risk

Who is at risk?

People with heart and lung conditions are most affected by air pollution.

To find out if you are at risk, consult the health guide, or your physician.

Visit the national AQHI Web site to learn more about the AQHI.

Did you know...?

To reduce air pollution, you should limit the use small gas-powered machines such as lawnmowers, leaf blowers, chainsaws and snow blowers.


The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

AQHIScale

Observed ConditionsFootnote †


3 - Low Risk

Calculated at:

3:00 AM EST Monday 9 February 2026

 

Forecast Maximums


Sunday night
2 - Low Risk



Monday
2 - Low Risk



Monday night
3 - Low Risk



Tuesday
3 - Low Risk




Issued at:

5:00 PM EST Sunday 8 February 2026

 

The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

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