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Chennai’s air pollution 2024
September 20 , 2024
63 days
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- The report titled ‘Spare the Air 2.0’ compared the air quality to World Health Organization (WHO) guidelines.
- The annual average level of PM2.5 is six to seven times higher in six cities, including Chennai.
- In Chennai, the monthly average trend indicated that PM2.5 levels are four to seven times higher.
- The PM10 levels are up to six times higher than WHO annual guidelines.
- The annual average NAAQS standard for PM10 is 60 μg/m³, while the WHO standard is 15 μg/m³.
- For PM2.5, the NAAQS standard is 40 μg/m³, compared to the WHO standard of 5 μg/m³.
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