Canada: Air Quality Today — AQI Index, Smog, Pollen, UV and City Forecasts

3 weather warnings in effect for Canada 😷 Air quality🌊 Coastal / marine🌫️ Fog

Locations

Toronto

6.5 PM2.5 µg/m³

Good

PM10 6.5 NO₂ 26 O₃ 83

Montréal

11 PM2.5 µg/m³

Good

PM10 11 NO₂ 45 O₃ 26

Vancouver

9.8 PM2.5 µg/m³

Good

PM10 12 NO₂ 16 O₃ 67

Calgary

8.3 PM2.5 µg/m³

Good

PM10 8.5 NO₂ 9.1 O₃ 88

Ottawa

6.3 PM2.5 µg/m³

Good

PM10 6.4 NO₂ 15 O₃ 64

Edmonton

6.9 PM2.5 µg/m³

Good

PM10 7 NO₂ 13 O₃ 74

Mississauga

6.5 PM2.5 µg/m³

Good

PM10 6.5 NO₂ 26 O₃ 83

Winnipeg

5.1 PM2.5 µg/m³

Good

PM10 5.1 NO₂ 6.3 O₃ 53

Québec

11 PM2.5 µg/m³

Good

PM10 11 NO₂ 23 O₃ 48

Hamilton

5.1 PM2.5 µg/m³

Good

PM10 5.1 NO₂ 15 O₃ 86

Brampton

6.5 PM2.5 µg/m³

Good

PM10 6.5 NO₂ 26 O₃ 83

Kitchener

3.2 PM2.5 µg/m³

Good

PM10 3.2 NO₂ 9 O₃ 90

Surrey

9.9 PM2.5 µg/m³

Good

PM10 12 NO₂ 13 O₃ 72

Halifax

8.6 PM2.5 µg/m³

Good

PM10 9.3 NO₂ 15 O₃ 67

London

3.1 PM2.5 µg/m³

Good

PM10 3.1 NO₂ 6.1 O₃ 100

Okanagan

12 PM2.5 µg/m³

Good

PM10 13 NO₂ 1.7 O₃ 100

Victoria

7 PM2.5 µg/m³

Good

PM10 9.1 NO₂ 11 O₃ 54

Markham

5.2 PM2.5 µg/m³

Good

PM10 5.2 NO₂ 18 O₃ 89

Buffalo

5.1 PM2.5 µg/m³

Good

PM10 5.1 NO₂ 12 O₃ 55

Oshawa

2.5 PM2.5 µg/m³

Good

PM10 2.5 NO₂ 7.7 O₃ 92

Current data Wednesday, August 26, 2026 at 10:00 PM

PM2,5 7 (Good)

PM10 7 (Good)

O3 74 (Moderate)

NO2 16 (Good)

SO2 3 (Good)

CO 286 (Good)

index	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20	2026-08-19
PM2,5	8 Good	9 Good	8 Good	7 Good	9 Good	11 Good	11 Good	11 Good
PM10	8 Good	10 Good	8 Good	7 Good	10 Good	11 Good	12 Good	12 Good
O3	60 Good	58 Good	51 Good	59 Good	70 Moderate	67 Good	60 Good	67 Good
NO2	15 Good	13 Good	10 Good	7 Good	10 Good	16 Good	17 Good	14 Good
SO2	4 Good	3 Good	3 Good	2 Good	3 Good	4 Good	4 Good	4 Good
CO	229 Good	227 Good	180 Good	151 Good	186 Good	250 Good	230 Good	204 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Canada from March 2016 to May 2020

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
	3.9 Good	4.7 Good	5.2 Good	5.8 Good	5 Good	5 Good	5 Good	4.2 Good	4.2 Good	4.9 Good	5.6 Good	4.8 Good	4.5 Good	4.5 Good	6.1 Good	5.7 Good	5.2 Good	6.2 Good	5.1 Good	4.5 Good	3.5 Good	6.7 Good	5.2 Good	4.3 Good	5.7 Good	5.2 Good	5 Good	5.9 Good	6 Good	5.9 Good	5.8 Good	5 Good	5.8 Good	6.4 Good	6 Good	5 Good	4.5 Good	4.7 Good	5.6 Good	6.4 Good	6.8 Good	6.3 Good	6.4 Good	4.9 Good	3.7 Good	4.7 Good	5 Good	4.5 Good	4.8 Good	5.3 Good	4.8 Good
PM10	6.7 Good	6.7 Good	8.1 Good	7.2 Good	5.3 Good	6.7 Good	13 Good	8 Good	7.2 Good	12 Good	9.8 Good	9.3 Good	11 Good	9.4 Good	12 Good	9.5 Good	6.8 Good	5.6 Good	7.3 Good	8.8 Good	6.8 Good	15 Good	13 Good	9.2 Good	13 Good	10 Good	9 Good	6.3 Good	5.4 Good	6.2 Good	6.1 Good	8.5 Good	10 Good	16 Good	12 Good	9.6 Good	11 Good	9.1 Good	8.2 Good	11 Good	9 Good	8.6 Good	8.3 Good	8 Good	10 Good	11 Good	11 Good	12 Good	21 Moderate	19 Good	11 Good

data source »

Quality of life in Canada

Green and Parks in the City

Canada 77%

United States: 70% Venezuela: 41% Iceland: 72%

Pleasure of spending time in the city

Canada 79%

United States: 75% The Bahamas: 53% Venezuela: 41% Iceland: 89%

Air Pollution

Canada 24%

United States: 29% The Bahamas: 52% Venezuela: 59% Iceland: 13%

Garbage Disposal

Canada 74%

United States: 71% The Bahamas: 29% Venezuela: 18% Iceland: 79%

Availability and quality of drinking water

Canada 82%

United States: 71% The Bahamas: 55% Venezuela: 28% Iceland: 96%

Cleanliness and tidiness

Canada 66%

United States: 60% The Bahamas: 35% Venezuela: 22% Iceland: 75%

Noise and Light pollution

Canada 42%

United States: 47% The Bahamas: 39% Venezuela: 47% Iceland: 23%

Water Pollution

Canada 35%

United States: 44% The Bahamas: 58% Venezuela: 76% Iceland: 8.4%

Source: Numbeo

* Pollution data source: https://openaq.org (AirNow) The data is licensed under CC-By 4.0

Frequently asked questions

Is the air safe to breathe in Canada today?

The current average PM2.5 across Canada is about 7 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Canada?

Right now PM2.5 in Canada averages about 7 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which cities in Canada have the best and worst air quality now?

Okanagan currently has the highest PM2.5 (12 µg/m³), while Oshawa has the cleanest air (3 µg/m³).

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.

☀️ UV Index · 16-day Forecast — Canada

The UV index in Canada today is 5.2 (moderate) — unprotected fair skin can burn in about 40 minutes.

🌦️ Weather · 16-day Forecast — Canada

16-day weather forecast for Canada: today around 22°C (rain), lows near 15°C. Daily temperature and conditions, updated every day.