Over 90 Indian cities showed minimal air pollution since they were locked down, with many recording their best AQI in months. A briefing paper that examines the impact of COVID lockdown on background pollution across cities and industrial clusters concludes that informed measures and stricter rules can enable cities to achieve their clean air goals.
One diesel SUV accounts for the emissions of about 25-65 petrol cars! And yet cities, where vehicle emissions are the biggest cause of particulate matter pollution, have not been able to shun them. Can we take the steps needed to mitigate the diesel threat or will citizens and environment continue to pay a heavy price?