Newmarket: current Air Quality Health Index (AQHI)

Calculated at 3:00 am EDT Wednesday, July 9, 2025

2
2 pointer
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

Forecast for Newmarket

Forecast Air Quality Health Index maximums for Newmarket
PeriodForecast maximum (Issued at 9:44 pm EDT July 8, 2025)
Wednesday night3 - Low Risk Low Risk, Wednesday night
Thursday3 - Low Risk Low Risk, Thursday

Health message for Newmarket

At-risk population:

General population:

See the Ontario Ministry of the Environment, Conservation and Parks air quality health messages.

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