Saturday, November 08, 2025 | 10:31 PM ISTहिंदी में पढें
Business Standard
Notification Icon
userprofile IconSearch

Climate change, summer dust storms deepen India's air pollution crisis

The WHO recommends an annual average of no more than 5 micrograms per cubic metre (µg/m³) for PM2.5, and a daily average not exceeding 15 µg/m³

pollution
premium

The nature of pollution differs by season. Winter is associated with smog and stubble burning, but summer brings its own hazards, particularly the increase in ozone. Photo: Shutterstock

Puja Das New Delhi

Listen to This Article

No matter where one lives in India, the air is unhealthy. Climate change and the extreme events it is triggering are only making it worse.
 
A World Bank report from last year presents an alarming reality: 100 per cent of India’s 1.4 billion population is exposed to PM2.5 levels that exceed the World Health Organization’s (WHO) safe limits. These fine particles — less than 2.5 micrometres in diameter — are the most dangerous form of air pollution, capable of penetrating deep into the lungs and bloodstream. 
The WHO recommends an annual average of no more than 5 micrograms per cubic