World Health Organization (WHO) air quality guidelines were updated in 2021, proposing stricter values for annual ambient PM2.5 and PM10 concentrations, based on a series of systematic reviews of latest epidemiological studies across the world.
Click here for the executive summary of the assessment and here to access the full report @ WHO.
Browse an interactive tool with summaries of air quality standards across the world.
India ambient air quality standards were last updated in 2019. Click here for the official summary of all the standards (direct CPCB link).
Our primers, presentations, plug and play tools, benchmarking notes, instructional videos and more, are openly available @ https://urbanemissions.info/tools. Our working papers describe case studies where we applied the SIM-air family of tools, document general notes on emissions and pollution modeling and present our reviews on various topics related to air pollution analysis.