SO2 in Spokane, WA
Real-time Sulfur Dioxide monitoring and health recommendations
Current SO2 Levels
Overall AQI
About Sulfur Dioxide
A gas from burning fossil fuels, can affect breathing.
Measured in ppb
Health Impact
Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion.
Sources of SO2
• Fossil fuel combustion at power plants
• Industrial facilities and refineries
• Metal processing operations
• Volcanic eruptions (natural source)
Other Pollutants
Full Air Quality Report
View all pollutants and comprehensive air quality data for Spokane.
View Full ReportFilter Combustion Gases in Spokane
The dominant pollutant in Spokane is a combustion gas (SO2), AQI 172. Particle (HEPA) filtration alone won't capture gases — you want a purifier with a real activated-carbon stage, which adsorbs nitrogen dioxide, sulfur dioxide and traffic/industrial fumes that seep indoors.
As an Amazon Associate, we earn from qualifying purchases.
Filter Combustion Gases in Spokane
The dominant pollutant in Spokane is a combustion gas (SO2), AQI 172. Particle (HEPA) filtration alone won't capture gases — you want a purifier with a real activated-carbon stage, which adsorbs nitrogen dioxide, sulfur dioxide and traffic/industrial fumes that seep indoors.
Compare activated-carbon purifiers (for gases):
Prices are approximate and subject to change. As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.
Air Purifier & Monitor Buying Guides
Not sure which device fits your needs? Our hands-on guides break down the best picks by use case.