Why winter solstice matters around the world: 4 essential reads

The weeks leading up to the solstice can feel long as days grow shorter and temperatures drop. But it’s also traditionally been a time of …

Delhi air to be ‘poor’ on Diwali, worsen afterwards: Experts

Air quality is considered poor when the air quality index is 201-300 and very poor when it is 301-400

CSE releases latest analysis of air quality data for Delhi-NCR, as winter sets in

CSE says 2021 winter season starting with much cleaner threshold compared to the previous three years

Winter air pollution & smog: CSE study notes fresh patterns

Daily PM2.5 levels up 8-11 times between cleanest August & dirtiest November across Delhi-NCR

Explained: Why north India didn't get the December rainfall it usually does

Here’s a deep dive into why strong western disturbances hit the region just once last month

Cold wave grips north India, to get worse

This severe weather is attributed to the absence of western disturbances in the country

Rising moisture, low wind speed trap pollutants in Delhi's air

The National Capital Region may see a smog episode in the first week of November, predict scientists

Heat waves strike south India as north copes with cold

While northern India is witnessing an extended winter season, the southern part of the country started experiencing heat wave conditions on March …

Public transport should be made accessible while fighting air pollution

The fight for breathable air during winters shouldn't take away people's right to first-mile and last-mile connectivity

Counting north India’s stubble fires: Stronger data science needed to study winter smog

Severe smog in north India is a result of an evil alignment of many factors. Whether those factors co-conspire this year, remains to be seen

Counting north India’s stubble fires: How do NASA satellites capture them

Overall, it is safe to assume that even if satellite images do not show a fire, it does not necessarily mean that nothing is burning on the ground

Will PM 2.5 levels in Delhi-NCR go back to pre-pandemic levels this winter?

The answer lies in air pollution control measures, finds assessment by CSE