PM2.5 in '24 was at 3-year high: Study
Hindustan Times|January 07, 2025
Delhi in 2024 recorded a three-year high in terms of annual PM2.5 (particulate matter having a diameter of 2.5 microns or less) concentration, clocking a reading of 104.7 micrograms per cubic metre (μg/ m3) last year compared to 106.4µg/m3 in 2021, according to an analysis by the Centre for Science and Environment (CSE) released on Monday.
Jasjeev Gandhiok

Delhi's peak winter pollution also followed this trend, clocking 732µg/m3 on November 18, the highest since the city clocked a peak winter PM2.5 concentration of 776µg/m3 on November 13, 2021. While the PM2.5 levels were similar to 2019 levels-one of the worst-polluted winters when the AQI dipped to a low of 494 (severe plus) and 24 "severe" air days were recorded-Delhi fared better this winter on average, clocking PM2.5 average of 178.3µg/m3, compared to 182.1ug/m3 clocked last year.

This story is from the January 07, 2025 edition of Hindustan Times.

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This story is from the January 07, 2025 edition of Hindustan Times.

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