Toronto 62° Montréal 58° Vancouver 46° Calgary 32° Edmonton 34° Ottawa 59° Winnipeg 35° Québec 41° Halifax 48° Victoria 44°
Canada › Ontario › Peterborough › Air Quality

Peterborough, ON Air Quality

AQHI now · Peterborough

All cities →
1.8
Low health risk

Observed Thu 5:00 AM · Peterborough

Today
3 Low risk
Tonight
2 Low risk
Tomorrow
3 Low risk
Tomorrow night
1 Low risk
Environment and Climate Change Canada · forecast issued Thu 6:00 AM

Health advice now

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

Pollutants now

PM2.51.4 µg/m³WHO guideline 15
PM101.5 µg/m³WHO guideline 45
NO₂7 µg/m³WHO guideline 25
O₃55 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).

Pollen today · Peterborough

TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: 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
6 AM1.41.5
7 AM1.71.7
8 AM2.32.3
9 AM2.82.8
10 AM1.81.8
11 AM1.91.9
12 PM33
1 PM2.82.8
2 PM3.13.2
3 PM44
4 PM4.74.8
5 PM5.15.2