St. Catharines - Air Quality Health Index
2Low Risk
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.
Thursday night
Friday
Friday night
Saturday
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, your physician, or your local health authority.
Visit the national AQHI Web site to learn more about the AQHI.
Did you know...?
Carbon dioxide emissions from international aviation have increased 83% since 1990.
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.
Observed ConditionsFootnote †
2 - Low Risk
Calculated at:
10:00 PM EST Thursday 5 December 2024
Forecast Maximums
Issued at:
5:00 PM EST Thursday 5 December 2024
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.
- Date modified: