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SRVUSD has chosen to use AirNow.gov to measure air quality because it is considered the most precise measurement for accurate readings and is considered the gold standard.
AirNow's Air Quality Index (AQI) data is based on the EPA standards and are calculated using a complex algorithm that uses longer averages during periods of stable air quality and shorter averages when air quality is changing rapidly. AirNow's sensors are state regulated and regularly maintained to ensure the quality of the data as compared to other measurements.
We encourage you to read and learn more about how to use the AQI to learn more about your local air quality and the best times for your outdoor activities.
Decisions about Air Quality levels and school activities in SRVUSD are normalized on an Air Quality Guidelines Chart (PDF) that is provided to every school site and very much aligns with what our partners in education use to make their decisions.
Additionally, we recently upgraded the filters in all of our facilities. We use MERV 13 filters which filter out both viruses and wildfire PM2.5 smoke particles. Setting filtration systems on recirculate protects the air in our facilities.