Where Does India’s Air Pollution Come From?

In our 2022 25 most polluted cities report, 9 Indian cities made the list. So where does India’s air pollution come from? Let’s dive into to see what the sources are of India’s serious air pollution. Sources of India’s Air Pollution: By Industry A study undertaken by Council on Energy, …

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How far can wildfire smoke travel?

How Far Can Wildfire Smoke Travel?

Wildfire smoke can travel a long way. And this wildfire smoke is a serious health concern. But how far can wildfire smoke travel exactly? Can someone in New York be affected by the California wildfires thousands of miles away? Do Australian bushfires affect the entire country? During the ravaging California …

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Did Hyderabad’s Air Quality Improve in 2021?

How was Hyderabad’s 2021 air quality? Did Hyderabad’s air quality improve in 2021 compared to recent years? Air pollution in 2020 averaged levels over 4 times the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air dove into the data to see if there was any improvement in 2021. Hyderabad …

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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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Top 20 Most Polluted Countries in the World

Nearly all countries in the world have dangerous levels of air pollution, and the most polluted countries in the world have levels over 15 times the WHO recommended limit. Smart Air analyzed 2021 air pollution data provided by IQAir for 6475 cities from 117 countries to determine the most polluted …

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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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Best Place To Put Air Purifier in Room

Where is the Best Place To Put Your Air Purifier?

“Where should I place my air purifier” is a common question people have when getting an air purifier. Does an air purifier’s position affect its performance? Is it best to put an air purifier next to a wall? This post provides a data-backed answer on how to best place your …

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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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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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Smart Air low cost purifiers

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

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