Air quality scenario guides
These pages start from the decision, not just the number. Pick the situation you are facing and then translate AQI into action.
Commute exposure planner
Use AQI to decide whether a daily commute is routine, cautionary, or worth changing.
Try AQI 110 for 2 hours
Outdoor exercise risk guide
Translate AQI into a clear decision for running, cycling, or training outside.
Try AQI 85 for 1 hours
Kids and school exposure guide
Plan school runs, recess, and after-school time when children are more sensitive than adults.
Try AQI 95 for 3 hours
Wildfire smoke response plan
Use AQI to decide when normal air-quality habits are not enough and smoke response should begin.
Try AQI 165 for 24 hours