BreezoMeter Mascot BreezoMeter Logo Text
Hamburger Menu Icon

The Local Air Quality Index - Canada

The Local Air Quality Index is a method used by the government and companies to communicate air quality in an understandable way.

city illustration

How we calculate the air quality index - Canada

BreezoMeter uses an index called “AQHI (CA)”

1

We take the average of each pollutant type according to local government definitions.

2

A scientific formula is used to calculate the Canadian AQHI based on 3 different pollutants (PM2.5/PM10, O3 and NO2).

Index Health Categories

AQHI (CA) represents air quality levels according to the following health categories:

Category

AQI

Low health risk

1

Low health risk

2

Low health risk

3

Moderate health risk

4

Moderate health risk

5

Moderate health risk

6

High health risk

7

High health risk

8

High health risk

9

High health risk

10

Very high health risk

+10

Pollutant Type

Period

pm2.5

3h avg.

pm10

3h avg.

o3

3h avg.

no2

3h avg.

Index Pollutant Types

The following chart displays the pollutants that are part of the AQHI (CA) calculation and the timeframe taken to average each pollutant type:

explore more countries

Air Quality Indexes Around The Globe

Explore the local air quality indexes BreezoMeter uses in various countries.