Did Chennai Air Quality Get Better in 2021?

Chennai air quality worsened by 11.5% in 2021 compared to 2020. This leaves Chennai with air pollution levels 6 times higher than the World Health Organization’s annual limit. What are the trends in Chennai air quality and how does Chennai air pollution compare to other Indian cities? Chennai Air Quality: …

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Mumbai During Lockdown

Mumbai Air Quality Exceeds 8 Times WHO Limit in 2021

Mumbai air quality improved 2% in 2021, compared to the previous year. These higher air pollution levels push Mumbai’s annual PM2.5 average to more than eight times the World Health Organization’s annual limit of 5 µg/m3. Let’s dive into what trends we see throughout the year with Mumbai air quality and …

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Kuala Lumpur Air Quality: 2022 Latest Pollution Readings

Current Kuala Lumpur City Air Quality Kuala Lumpur PM2.5 air quality averaged 15.24 micrograms in 2021. This means Kuala Lumpur PM2.5 concentrations exceeded the WHO annual limits of 5 micrograms by over 3 times. On the most polluted day, air quality exceeded the recommended limit by over 6 times. Current …

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Did India Air Pollution Improve in 2021?

How did India air pollution fare in 2021? Did the COVID-19 second wave affect air quality in India? Smart Air analyzed 2021 India air pollution data for five of India’s major cities: Delhi, Mumbai, Kolkata, Chennai, and Hyderabad. 2021 India Air Pollution Report Of the five major Indian cities analyzed …

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20 Least Polluted Cities in India (2022 Rankings)

Looking to find one of the least polluted cities in India to get a break from the air pollution? Smart Air analyzed air pollution data for dozens of Indian cities to generate the 2022 ranking of the “20 Least Polluted Cities in India”. Scroll down below for the full rundown …

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How’s the Air Quality in Bangkok? See the Data

Bangkok saw some terrible air quality and high PM2.5 levels during the start of 2019, with news reports of schools closing and government limiting car usage. But just how bad is Bangkok’s air quality? I analyzed 2018’s PM2.5 data, provided by the Thailand Government monitor near the Chulalongkorn Hospital in Bangkok, …

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20 Most Polluted Cities in India (2022 Rankings)

Air pollution is one of the leading causes of death in India. So which cities in India are the most polluted? Smart Air analyzed 2021 air pollution data for dozens of Indian cities to generate the 2022 ranking of the “20 Most Polluted Cities in India”. Scroll down below for …

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2021 Diwali Pollution: Worst in Delhi’s Recent History?

What effect did 2021 Diwali have on Delhi air pollution? We previously discussed Diwali’s serious impact on Delhi air pollution. But how did 2021 Diwali pollution compare to past years? Analyzing 2021 Diwali Air Pollution in Delhi To get to the bottom of this, the Smart Air team in India …

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