Delhi smog tower

Delhi Unveils Smog-Fighting Purifier Tower, But Does It Work?

Delhi is one of the most polluted cities in the world. PM2.5 pollution levels reach more than 10 times the World Health Organization’s annual limit. To combat air pollution, the Delhi government recently installed a new smog tower in the center of the city. But will this Delhi smog tower have an effect … Read more

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 … Read more

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 … Read more

How Much Air Pollution Does Diwali Create?

News reports suggests people are now more aware that fireworks increase Diwali air pollution in Delhi, and there were reports of reduced sales of fireworks. But with 22 million people, Diwali must go on. So that got me thinking: just how much air pollution does Diwali create in India? We … Read more

Exercising in Delhi air pollution

At What Point Is Exercise in Delhi Pollution Harmful?

Air pollution is one of the biggest killers in Delhi. So, it would make sense to wonder whether exercising on a polluted day in Delhi does more harm than good. Below is a picture of people exercising in Delhi with PM2.5 air pollution levels at 150 micrograms or an AQI … Read more

Where Does Delhi’s Air Pollution Come From?

Delhi is one of the most polluted cities in the world. PM2.5 pollution levels often reach more than 10 times the World Health Organization’s annual limit. So what are the main sources of Delhi’s air pollution? Smart Air dove into the data to get to the root of where Delhi’s … Read more

Air Pollution: Silent Killer

120,000 Deaths in India Due to Air Pollution in 2020

Air pollution kills hundreds of people in India every day. Due pollution being a “silent” killer, most do not even grasp how much pollution affects our health. As per WHO research over 92% of people in the world is breathing unsafe air with high air pollution levels. Statistics regarding deaths … Read more

Did Delhi's Air Quality Improve In 2020?

Did Delhi’s Air Quality Improve in 2020?

How was Delhi’s air quality in 2020? Did Delhi’s air quality improve in 2020 compared to recent years? For the previous three years, Delhi has seen little improvement in air quality. Air pollution levels have hovered around 10x the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air … Read more

2020 India Air Pollution Report: Did Air Quality Improve?

Did India’s air quality improve in 2020? How did COVID-19 affect air quality in India? Smart Air analyzed 2020 India air pollution data for five of India’s major cities: Delhi, Mumbai, Kolkata, Chennai, and Hyderabad. WATCH: Fixing India’s Air Pollution Problem 2020 India Air Quality Report Of the five major … Read more

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