Guide to Air Quality Health Index forecasts: chapter 2
Air Quality elements and when they are included in the forecast
Maximum Air Quality Health Index (AQHI)
Included in the forecast for Day 1 and 2? - Yes
Indicates the maximum AQHI numerical value and category
Day 1 and 2: The maximum AQHI value is the only element in the forecast and will represent the maximum AQHI value over each part period, today, tonight and Day 2.
Categories:
- 1-3: Low risk
- 4-6: Moderate risk
- 7-10: High risk
- Above 10: Very high risk
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