Here’s a visualized sample of how the air quality trends looked like recently.
Here’s the air quality data you can derive insights from.
You can get easy access to real-time air quality data for Seattle from Ambee. All you have to do is sign up for our API dashboard and get started on the free trial. If you want an easier way to check out the data, you can also check out our air quality map for Seattle or download the Ambee app.
The highest AQI (Air Quality Index) recorded in Seattle occurred on August 15, 2018, during a wildfire event in British Columbia, Canada. The AQI reached a value of 260. Seattle also ranked as the worst city worldwide for air quality and pollution in October 2022. Seattle’s air quality index reached over 240—a level defined as “very unhealthy” for all groups.
Before going outside when the AQI very high, it is important to stay alert at all times and check local air quality forecasts and the AQI regularly. Here are some of the precautions you can take:
1. Make sure to wear your mask when you step outside.
2. Carry preventive medicine and anti-allergen tissues.
3. Keep the Asthma/COPD kit ready as per your needs.
4. Avoid heavy exertion or exercising outdoors.
Seattle’s worst air quality period typically ranges from July through September. This is due to the increased risk of wildfires in the region, as well as weather conditions that can trap pollutants close to the ground. However, due to rising climate change, the wildfire season is expanding and so is the duration of poor AQ. Seattle faced its worst AQ level recently in October 2022 showcasing the trend is now majorly shifting.
A hotter, drier climate along with the failure to plan and execute prescribed burns causes the air quality to stay poor in Seattle. There are also multiple instances of raging wildfires that have made the AQ levels to stay bad over the years. Bad air quality in Seattle is also caused by a variety of factors, including industrial emissions, transportation emissions, and weather conditions. Checking the air quality index for Seattle is important at all times to avoid health issues.
Seattle typically has good to moderate air quality throughout the year, with occasional periods of poor air quality due to wildfires or other environmental factors. However, Seattle has been named one of the worst cities for air quality in the recent years so the normal AQ index levels have been higher than moderate. For people to stay healthy and safe, the normal AQ levels should be below 50 in the index values.
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