Many Indian cities record peak pollution during Deepavali day | Data
Analysis of hourly PM 2.5 levels in 2023 shows seven Indian cities registered highest pollution levels around Deepavali day due to firecrackers. Delhi, Noida, Gurugram, Lucknow, Ahmedabad, Chennai, and Kolkata recorded hourly pollution levels above 500 μg/m3. Experiments showed snake tablet firecracker emitted peak level of 64,500 μg/m3 of PM…
The Hindu ·