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Air Quality Ontario

Sarnia: AQHI for March 18, 2025

Air Quality Health Index categories, values and associated colours
Air Quality Health Index categories and values
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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
2025-03-1812:00 am EDT2Low Risk, 12:00 am EDTlow risk
2025-03-181:00 am EDT2Low Risk, 1:00 am EDTlow risk
2025-03-182:00 am EDT2Low Risk, 2:00 am EDTlow risk
2025-03-183:00 am EDT2Low Risk, 3:00 am EDTlow risk
2025-03-184:00 am EDT2Low Risk, 4:00 am EDTlow risk
2025-03-185:00 am EDT2Low Risk, 5:00 am EDTlow risk
2025-03-186:00 am EDT2Low Risk, 6:00 am EDTlow risk
2025-03-187:00 am EDT2Low Risk, 7:00 am EDTlow risk
2025-03-188:00 am EDT2Low Risk, 8:00 am EDTlow risk
2025-03-189:00 am EDT2Low Risk, 9:00 am EDTlow risk
2025-03-1810:00 am EDT2Low Risk, 10:00 am EDTlow risk
2025-03-1811:00 am EDT2Low Risk, 11:00 am EDTlow risk
2025-03-1812:00 pm EDT2Low Risk, 12:00 pm EDTlow risk
2025-03-181:00 pm EDT3Low Risk, 1:00 pm EDTlow risk
2025-03-182:00 pm EDT3Low Risk, 2:00 pm EDTlow risk
2025-03-184:00 pm EDT3Low Risk, 4:00 pm EDTlow risk
2025-03-185:00 pm EDT3Low Risk, 5:00 pm EDTlow risk
2025-03-186:00 pm EDT3Low Risk, 6:00 pm EDTlow risk
2025-03-187:00 pm EDT3Low Risk, 7:00 pm EDTlow risk
2025-03-188:00 pm EDT3Low Risk, 8:00 pm EDTlow risk
2025-03-189:00 pm EDT3Low Risk, 9:00 pm EDTlow risk
2025-03-1810:00 pm EDT3Low Risk, 10:00 pm EDTlow risk
2025-03-1811:00 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.