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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Did Bangalore Air Quality Get Better in 2021?

Analyzing air quality data from the Berkeley Earth Project, Smart Air found that Bangalore air quality worsened by 3% in 2021 compared to 2020. This leaves Bangalore with air pollution levels 6 times higher than the World Health Organization’s annual limit. Bangalore Air Quality by Month Breaking down the data by …

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Kolkata Air Quality Exceeds 14 Times WHO Limit in 2021

Analyzing air pollution data from the US Consulate, Smart Air found that Kolkata’s air quality levels did not improve in 2021 compared to last year. With an annual PM level of 71 micrograms, the citizens of Kolkata are still breathing air pollution that is 14 times the WHO annual limit. …

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Did Delhi Air Quality Get Better in 2021?

How was Delhi’s air quality in 2021? Did Delhi’s air quality improve in 2021 compared to recent years? Delhi air quality has seen little improvement recently. Air pollution levels have hovered around 20x the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air dove into the data to …

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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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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 2022 Diwali Air Pollution in Delhi To get to the bottom of this, the Smart Air team in India …

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Chandigarh's Smog Tower

Chandigarh Gets Its First Smog Tower, But Does It Work?

Chandigarh is the first planned modern city in India. But with PM2.5 air pollution levels nearly 8 times higher than the WHO recommended limit, the city has turned to a novel solution to help improve its air quality: smog towers. The question is, will Chandigarh’s smog tower help improve air …

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Bangalore Gets Its First Smog Tower, But Does It Work?

Although Bangalore is one of India’s fastest-growing cities, this has come at the cost of more air pollution. According to Greenpeace South Asia in 2020, an estimated 12,000 people in Bangalore died due to air pollution. To help improve Bangalore’s air pollution, the city has installed its first smog tower. …

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Smart Air low cost purifiers

Smart Air is a social enterprise and certified B Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution. We are proud to be the only certified B Corp dedicated to fighting air pollution.

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