United States
Air quality in Seattle is acceptable. Consider reducing intensity or duration.
Data from Open-Meteo • Updated 5:38:25 AM
Seattle generally enjoys clean air thanks to prevailing Pacific winds and frequent rain, though wildfire smoke increasingly affects summers. The city's green spaces and waterfront paths benefit from marine breezes that disperse pollutants. Runners should check AQI during late summer when regional fires can push readings above 150.
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Try it freeSeattle's AQI typically ranges from 15 to 45, among the cleanest major US cities. During wildfire smoke events in late summer, readings can exceed 200 for extended periods.
Spring and early summer offer the best running conditions with clean air and mild temperatures. Monitor smoke forecasts closely from August through September, as wildfire smoke can arrive with little warning.
Deep dive into pollutants, thresholds, and how air quality affects your running performance.
Quick threshold lookup for every AQI level. Know when to run and when to stay indoors.
Practical rules for training during smoke events: when to go indoors and how to recover.