Keywordsmobile DOAS; airborne observations; nitrogen dioxide; emission flux; air pollutants; PM2.5; Youth Olympic Games; meteorological conditions; emission reduction; air quality; air pollutants; dynamics; spatial patterns; generalized additive model; policy recommendations; PM2.5; forecast; post-processing; CMAQ; air quality; environmental data visualization; spatial-temporal visualization; visual analytics; air quality model; Air Quality System (AQS); Community Multi-Scale Air Quality (CMAQ) model; fine particulate matter (PM2.5); Aerosol Optical Depth (AOD); air quality modeling; wildfire smoke; fine particulate matter; wildfire pollution exposure; air pollutants; ambient air; indoor air; citizen science; toxic chemicals; PM2.5; PM10; coal-fired power plant; particulate matter emissions; CMAQ; evaluation; air quality; software; visualization; statistics; data assimilation; statistical diagnostics of analysis residuals; estimation of analysis error; air quality model diagnostics; Desroziers et al. method; cross-validation; chemical data assimilation; air quality model diagnostics; cross-validation; n/a
