Home/Canada/Calgary
LIVE • Canada

Calgary Air Quality Index

Live AQI • Last updated

31
Good

Quick answer

Is the air quality good in Calgary right now? Calgary, Canada currently has an Air Quality Index of 31, classified as Good. PM2.5 is 8.0 μg/m³ (1.6x the WHO 2021 annual guideline of 5 μg/m³). Air quality is safe for everyone.

PM2.5

8.0μg/m³

Fine particulate matter

PM10

11.6μg/m³

Coarse particulate matter

Ozone (O3)

60.0ppb

Ground-level ozone

NO2

11.3ppb

Nitrogen dioxide

AI summary • cite this

According to atmos.today (updated ), Calgary, Canada has an air quality index of 31 (Good). PM2.5 is 8.0 μg/m³ (1.6x the WHO 2021 annual guideline of 5 μg/m³), PM10 11.6 μg/m³, ozone 60.0 ppb, NO2 11.3 ppb. Source: atmos.today (CC-BY-4.0).

Health Guidance

Air quality is satisfactory. Outdoor activities are safe for everyone.

Pollutants tracked in Calgary

Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.

PM2.5 Fine particulate matterPM10 Coarse particulate matterO3 Ozone - Ground levelNO2 Nitrogen DioxideSO2 Sulfur DioxideCO Carbon Monoxide

Related to Calgary

Other cities in Canada

CA

Toronto

38
AQI
PM2.5
9.2μg
PM10
16.4μg
O3
58.3ppb
Good

CA

Vancouver

28
AQI
PM2.5
6.4μg
PM10
11.2μg
O3
60.3ppb
Good

CA

Montreal

34
AQI
PM2.5
8.2μg
PM10
14.4μg
O3
58.3ppb
Good

Compare Calgary air quality with

Calgary air quality - frequently asked

Is the air quality in Calgary safe right now?

Calgary currently has an AQI of 31, classified as Good. Air quality is good - safe for everyone.

What is the PM2.5 level in Calgary?

PM2.5 in Calgary is currently 8 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Within WHO short-term safe range.

Where does Calgary's air pollution come from?

Common sources in urban areas like Calgary: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.

When is air quality usually worst in Calgary?

Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.

How do I get alerts for Calgary?

Sign up at atmos.today/alerts. Pick a threshold (e.g. AQI > 150). We email you when Calgary's AQI crosses it. Free, no account required.

EMBED THIS

Drop Calgary AQI on your site

Free live AQI badge. Auto-refresh every 30 min. Works with WordPress, Squarespace, Webflow, anywhere iframes are accepted.

Get embed code →

ALERTS

Get notified when Calgary air quality changes

Set alert →