Medicine Hat - Percent Air Quality Hours

Medicine Hat air quality was high for 89.2% of reported hours in 2018, declining -5.67% from 94.6% in 2017. Medicine Hat's growth rate ranks 14th provincially. The 5 segment had the largest increase over last year, increasing 234.4% to 1.90%.

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

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Percent Air Quality Hours

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