Published: 15:50, December 14, 2025
India tightens pollution curbs in New Delhi, halts construction
By Bloomberg
Commuters make their way along a road on a hazy morning caused by pollution on Dec 3, 2025 in New Delhi, India. The capital's Air Quality Index reached 376 - classified as "very poor" to "severe" - with PM2.5 levels recorded at more than 20 times the World Health Organization's safe limits, prompting health experts to declare conditions "extreme and life-threatening" as 30 million residents contend with persistent headaches, eye irritation, and respiratory distress from a toxic cocktail of vehicular emissions, industrial pollution, and construction dust trapped under stagnant winter air. (PHOTO / BLOOMBERG)

India stepped up anti-pollution curbs in New Delhi and nearby areas after a sudden spike in airborne toxins.

The government ordered a temporary halt to non-essential construction, shut stone crushers and mining operations, and advised schools to shift to online classes where feasible, according to an environment ministry statement late Saturday. Older diesel and petrol vehicles were barred from roads across the National Capital Region, it said.

New Delhi and its surrounding suburbs rank among the world’s most polluted places, with winter smog worsened by crop burning, firecrackers, traffic, industry and year-round construction dust. Despite periodic emergency curbs, air quality frequently breaches safe limits, contributing to a heavy burden of respiratory disease.

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New Delhi’s air quality index surged to 555 at 10:30 am local time on Sunday, according to IQAir, which collects global pollution data. A level below 101 is considered acceptable, and a value above 300 is classified as hazardous.

Neighboring states were asked to consider additional emergency steps, including closing colleges, the ministry said. Children, the elderly and people with chronic respiratory or cardiovascular conditions were advised to avoid outdoor activity and stay indoors as much as possible.