主题词：Air Quality and Health Impacts; Atmospheric chemistry and aerosols; Vehicle emissions and performance; Air Quality Monitoring and Forecasting; Atmospheric and Environmental Gas Dynamics; Atmospheric Ozone and Climate; Atmospheric aerosols and clouds; Odor and Emission Control Technologies; Wind and Air Flow Studies; Indoor Air Quality and Microbial Exposure; COVID-19 impact on air quality; Plant responses to elevated CO2; Maritime Transport Emissions and Efficiency; Fire effects on ecosystems; Toxic Organic Pollutants Impact; Noise Effects and Management; Energy and Environment Impacts; Energy, Environment, and Transportation Policies; Climate Change and Health Impacts; Advanced Aircraft Design and Technologies; Heavy metals in environment; Radioactivity and Radon Measurements; Soil and Water Nutrient Dynamics; Impact of Light on Environment and Health; Advanced Combustion Engine Technologies