Sarnia - Air Quality Health Index
Moderate Risk
(4-6)
High Risk
(7-10)
Very High Risk
At-Risk Population:
- Enjoy your usual outdoor activities.
- Find out if you are at risk
General Population:
- Ideal air quality for outdoor activities.
Tuesday night
Wednesday
Wednesday night
Thursday
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...?
People who are most vulnerable and sensitive to the effects of air pollution should learn to recognize when air quality is deteriorating and protect their health accordingly.
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

Observed ConditionsFootnote †
1 - Low Risk
Calculated at:
6:00 PM EDT Tuesday 17 May 2022
Forecast Maximums
Issued at:
5:00 PM EDT Tuesday 17 May 2022
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.
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