Seattle AQI Today
United States · Thursday, March 12, 2026
Real-time Air Quality Index (AQI)
Seattle Weather & Air Quality Overview
Seattle is a city in United States, located in the Northern Hemisphere at coordinates 47.61°N, 122.33°W. With a population of approximately 4.0 million, it is one of the notable urban centers in Americas. Seattle experiences a temperate climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for Seattle, United States.
Right now in Seattle, the temperature is 7°C (feels like 2°C) with overcast. Humidity is at 76%. Winds are blowing at 24 km/h. Today's high is expected to reach 9°C and the low will be around 3°C.
The current Air Quality Index (AQI) in Seattle is 13, rated as Good. The dominant pollutant is PM2.5.
Air Quality in Seattle Today
Seattle AQI (air quality index) is updated in real time. Current conditions, health guidance, and pollutant levels for Seattle, United States are shown above. Compare Seattle air quality with other cities on our AQI rankings or global map.
- Today's high in Seattle: 9°C
- Humidity in Seattle: 76%
- Current AQI in Seattle: 13 (Good)
- Wind in Seattle: 24 km/h
Weather in Seattle and the Seattle forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.
Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.