St. Catharines: AQHI for May 7, 2024

Air Quality Health Index Categories, Values and Associated Colours
Air Quality Health Index Categories and Values
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
 
Air Quality Health Index readings by date.
Date Time AQHI Category
2024-05-0712:00 am EDT3Low Risk, 12:00 am EDTLow Risk
2024-05-071:00 am EDT2Low Risk, 1:00 am EDTLow Risk
2024-05-072:00 am EDT2Low Risk, 2:00 am EDTLow Risk
2024-05-073:00 am EDT2Low Risk, 3:00 am EDTLow Risk
2024-05-074:00 am EDT2Low Risk, 4:00 am EDTLow Risk
2024-05-075:00 am EDT1Low Risk, 5:00 am EDTLow Risk
2024-05-076:00 am EDT1Low Risk, 6:00 am EDTLow Risk
2024-05-077:00 am EDT1Low Risk, 7:00 am EDTLow Risk
2024-05-078:00 am EDT1Low Risk, 8:00 am EDTLow Risk
2024-05-079:00 am EDT2Low Risk, 9:00 am EDTLow Risk
2024-05-0710:00 am EDT2Low Risk, 10:00 am EDTLow Risk
2024-05-0711:00 am EDT2Low Risk, 11:00 am EDTLow Risk
2024-05-0712:00 pm EDT2Low Risk, 12:00 pm EDTLow Risk
2024-05-071:00 pm EDT2Low Risk, 1:00 pm EDTLow Risk
2024-05-072:00 pm EDT2Low Risk, 2:00 pm EDTLow Risk
2024-05-073:00 pm EDT2Low Risk, 3:00 pm EDTLow Risk
2024-05-074:00 pm EDT2Low Risk, 4:00 pm EDTLow Risk
2024-05-075:00 pm EDT2Low Risk, 5:00 pm EDTLow Risk
2024-05-076:00 pm EDT2Low Risk, 6:00 pm EDTLow Risk
2024-05-077:00 pm EDT2Low Risk, 7:00 pm EDTLow Risk
2024-05-078:00 pm EDT3Low Risk, 8:00 pm EDTLow Risk
2024-05-079:00 pm EDT3Low Risk, 9:00 pm EDTLow Risk
2024-05-0710:00 pm EDT3Low Risk, 10:00 pm EDTLow Risk
2024-05-0711:00 pm EDT3Low Risk, 11:00 pm EDTLow Risk

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AQHI readings on this web page are based on automatically polled data and have not undergone final verification.