Sarnia - Air Quality Health Index

Not Available



Issued at: 6:00 AM EST Tuesday 16 December 2025

Tuesday

3 - Low Risk

Tuesday night

3 - Low Risk

Wednesday

2 - Low Risk

Wednesday night

2 - 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...?

Even if you are relatively fit and healthy, you could experience symptoms when exercising or working outdoors if pollution levels are higher than usual.


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