Ahmedabad Records 38.4% Drop in PM10 Pollution, Surat Leads Gujarat With 39.2% Reduction

Ahmedabad recorded a 38.4% reduction in PM10 pollution in 2025-26 compared with 2017-18, while Surat registered a 39.2% decline, according to government data highlighting improvements in air quality across major Gujarat cities. Ahmedabad’s average PM10 concentration fell from 164 micrograms per cubic metre (µg/m³) in 2017-18 to 101 µg/m³ in 2025-26. Surat recorded a sharper reduction, with levels dropping from 130 µg/m³ to 79 µg/m³ over the same period.

Rajkot reported a 37.3% decline in PM10 concentrations, from 150 µg/m³ to 94 µg/m³, while Vadodara recorded a 16.5% reduction, with levels falling from 133 µg/m³ to 111 µg/m³.

The figures compare PM10 concentrations in 2025-26 with baseline levels recorded in 2017-18, showing varying improvements across Gujarat’s major cities. Surat recorded the highest reduction at 39.2%, followed by Ahmedabad at 38.4% and Rajkot at 37.3%, while Vadodara registered a comparatively smaller decline of 16.5%. PM10 refers to particulate matter with a diameter of 10 micrometres or less and is a key indicator used to assess air pollution levels.

At the national level, Bareilly recorded the highest reported improvement in PM10 concentrations, with a 69.6% reduction.

Kohima followed with a 63% decline, while Firozabad recorded a 60.3% reduction. Dehradun reported a 59.6% improvement, and Kanpur registered a decline of 58.1%.