PM2.5

Pune reduces PM2.5 levels by nearly 21% since 2019, Pimpri-Chinchwad significantly more polluted: report

January 08, 2025 9:27 am

The mixed air quality trends in Pune and Pimpri-Chinchwad highlight the need for targeted interventions, as per the report by climate tech startup Respier Living Sciences.

Delhi, Kolkata, Mumbai among world's top 20 most polluted cities; here is the full list

August 18, 2022 1:19 pm

While New Delhi and Kolkata rank first and second, respectively, Mumbai stands 14th on the list.

Delhi air quality slips back into 'very poor' category

November 11, 2020 3:18 pm

The city recorded an air quality index (AQI) of 388 at 9 am. The 24-hour average AQI was 476 on Tuesday.

COVID-19: Lockdown in India may have saved 630 lives, says study

July 17, 2020 5:58 pm

Assessing the levels of PM2.5 in five Indian cities, the scientists also calculated the monetary value of the reduced mortality due to air pollution and found that the lowered levels of PM2.5 may have saved 630 people from premature death and USD 690 million in health costs in India.

PM2.5 level in Delhi 10 times more than WHO limits: Greenpeace

February 16, 2015 9:54 pm

According to the WHO air pollution impacts the most vulnerable sections of the population.

Super smog hits north China city; flights canceled

October 21, 2013 2:33 pm

Density of fine particulate matter,indicator of air quality,was above 600 micrograms/cubic meter.

Air pollution is reducing life expectancy by a year: News in Numbers

June 22, 2020 6:09 pm

Air pollution is reducing life expectancy by a year: News in Numbers

June 22, 2020 6:18 pm