The atmosphere has started a self-clean cycle
Western Washingtonians awoke to cleaner air today as marine air started to displace accumulated smoke and usher in a cool-down. The Siberian, Californian and Oregonian smoke taps are being throttled down. All fine particle pollution monitors west of the Cascades have dropped down to Good levels this morning. North Bend still has Moderate air but is clearing out rapidly. This welcome cleaning cycle is poised to reach eastern WA by late today, but there is a caveat. Read on.
Yesterday's satellite picture overlaid with air quality data (Green= Good; Yellow= Moderate) shows smoke from various sources lingering over much of the state, giving rise to Moderate air in many places.
Forecast for western WA
The good news is that we don't expect a return to hazy skies within the next week, as long range forecasts indicate cooler-than-normal temperatures and the possibility of rain in western WA and the Cascades within the next 5-7 days. Yessss!
Eastern WA forecast
The weather pattern shift will indeed help flush out lingering smoke over the next two days, but the catch is that strong winds starting late tonight will enhance fire danger. Depending on fire growth, areas of USG air are possible over the next two days, particularly close to fires. Not expecting areas further from fires to deteriorate beyond Moderate between now and Thursday. Good news is that there wont be a return to hot and dry conditions; cooler temperatures late this week will aid firefighting efforts. Good air is looming on the horizon.
Yesterday's satellite picture overlaid with air quality data (Green= Good; Yellow= Moderate) shows smoke from various sources lingering over much of the state, giving rise to Moderate air in many places.
Forecast for western WA
The good news is that we don't expect a return to hazy skies within the next week, as long range forecasts indicate cooler-than-normal temperatures and the possibility of rain in western WA and the Cascades within the next 5-7 days. Yessss!
Eastern WA forecast
The weather pattern shift will indeed help flush out lingering smoke over the next two days, but the catch is that strong winds starting late tonight will enhance fire danger. Depending on fire growth, areas of USG air are possible over the next two days, particularly close to fires. Not expecting areas further from fires to deteriorate beyond Moderate between now and Thursday. Good news is that there wont be a return to hot and dry conditions; cooler temperatures late this week will aid firefighting efforts. Good air is looming on the horizon.
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