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Canada › Ontario › Halton Hills › Air Quality

Halton Hills, ON Air Quality

AQHI now · Halton Hills

All cities →
2.7
Low health risk

Observed Mon 11:00 PM · Brampton

Monday night
4 Moderate risk
Today
3 Low risk
Tonight
3 Low risk
Environment and Climate Change Canada · forecast issued Mon 5:00 PM

Health advice now

People at risk
Enjoy your usual outdoor activities.
Everyone else
Ideal air quality for outdoor activities.

Pollutants now

PM2.58.7 µg/m³WHO guideline 15
PM108.9 µg/m³WHO guideline 45
NO₂26 µg/m³WHO guideline 25
O₃47 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).

Pollen today · Halton Hills

TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Wed: weeds low · Thu: weeds low · Fri: weeds low
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.

Particles · next 12 hours

µg/m³
TimePM2.5PM10
12 AM8.78.9
1 AM7.17.4
2 AM66.7
3 AM5.66.6
4 AM5.36.3
5 AM5.36.3
6 AM5.76.8
7 AM6.98
8 AM8.39.4
9 AM8.19
10 AM88.6
11 AM77.8