Red Deer - Percent Air Quality Hours

Red Deer air quality was high for 94.0% of reported hours in 2019, increasing 9.74% from 85.7% in 2018. Red Deer's growth rate ranks 4th provincially. The 3 segment had the largest increase over last year, increasing 69.2% to 62.0%.

Definition: Percentage of hours at a given air quality level. The Air Quality Health Index (AQHI) is calculated based on the relative risks of a combination of common air pollutants that is known to harm human health. These pollutants are: Ozone (O3) at ground level, Particulate Matter (PM2.5/PM10), and Nitrogen Dioxide (NO2). Risks are defined as follows: 1-3 High Quality, 4-6 Moderate Quality, 7-9 Low Quality, 10+ Very Low Quality