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Air Quality Health Index (AQHI)
Alton, ON
Updated:
Saturday, May 11, 5:00 am
Current
2
Low Risk
At Risk Population
ENJOY
your usual outdoor activities.
General Population
IDEAL
air quality for outdoor activities.
Forecast Maximums
Saturday Night
2
Low Risk
Sunday
3
Low Risk
Sunday Night
3
Low Risk
Legend
Not Available
1
Low Risk
2
Low Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
6
Moderate Risk
7
High Risk
8
High Risk
9
High Risk
10
High Risk
11+
Very High Risk
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