Xian Air Pollution

What Is The Most Polluted City in China? (2023)

Cities in China have consistently ranked among the most polluted in the world. Just how bad is it? Smart Air analyzed 2022 pollution data from 51 cities in China to find the most polluted cities in China. Rankings: Most Polluted Cities in China (2020) 1) Xi’an, Shaanxi Province (48.11 μg/m3) …

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20 Most Polluted Cities in India (2023 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 2022 air pollution data for dozens of Indian cities to generate the 2023 ranking of the “20 Most Polluted Cities in India”. Scroll down below for …

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20 Least Polluted Cities in India (2023 Rankings)

Looking to find one of the least polluted cities in India to get a break from air pollution? Smart Air analyzed 2022 air pollution data for dozens of Indian cities to generate the 2023 ranking of the “20 Least Polluted Cities in India”. Scroll down below for the full rundown …

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25 Most Polluted Cities in the World (2023 Rankings)

Air pollution is one of the leading causes of death around the world. But which cities and countries are the most polluted in the world? Smart Air analyzed 2022 air pollution data for 529 major cities from 88 countries around the world to create the 2023 updated ranking of the …

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Incense Sticks Elevate Dangerous PM2.5, Formaldehyde Levels

Researchers have tested the air pollution released by incense sticks, and it’s not pretty! Frankincense, myrrh, and nag champa incense are often used in these sticks. Although you may enjoy the scent, these incense sticks can be quite dangerous to your health. The burning of incense sticks releases two dangerous …

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How Much Air Pollution Does Diwali Create?

Fireworks are everywhere during Diwali. So that got me thinking: just how much air pollution does Diwali create in India? We tracked the data the published PM2.5 data for 2021 Diwali, and share the results of our own tests as well. Testing Diwali Air Pollution in Delhi The Smart Air …

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ASHRAE Recommended Air Changes Per Hour

Data shows that improving indoor ventilation can reduce the risk of virus transmission, and is recommended by the CDC. In this article, we’ll cover the ASHRAE recommended air changes per hour for offices, homes, schools, residential and hospitals, using the ASHRAE 62.1 and 62.2 guidelines. ASHRAE Recommended Air Changes Per …

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Are Essential Oils and Oil Diffusers Safe?

The use of essential oil diffusers such as the popular “Air Wick Essential Mist Diffuser” can be extremely relaxing. Many essential oils such as lavender, tea tree, and eucalyptus are touted to have a variety of benefits ranging from pain relief to boosting your mood. But can essential oil diffusers actually …

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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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