List of most-polluted cities by particulate matter concentration
| Position | Country | City/Town |
|---|
| 1 | India | Kanpur |
| 2 | India | Faridabad |
| 3 | India | Gaya |
| 4 | India | Varanasi |
Bangladesh had an average PM2. 5 concentration of 77.1 micrograms per cubic meter of air (µg/m3) in 2020, making it the most polluted country in the world.
Cleanest Countries In The World 2021
| Rank | Country | EPI Value |
|---|
| 1 | Denmark | 82.5 |
| 2 | Luxembourg | 82.3 |
| 3 | Switzerland | 81.5 |
| 4 | United Kingdom | 81.3 |
1. Sweden. The least polluted country is Sweden with overall score of 2.8/10. The amount of carbon dioxide is 3.83 tonnes per capita per year, and the concentrations of PM2.
As per the report, the top most polluted city is Xinjiang in China followed by nine Indian cities. Ghaziabad is the second most polluted city in the world followed by Bulandshahar, Bisrakh Jalalpur, Noida, Greater Noida, Kanpur, Lucknow and Bhiwari.
The Top 10 Worst Polluted Places
- Agbogbloshie, Ghana.
- Chernobyl, Ukraine.
- Citarum River, Indonesia.
- Dzerzhinsk, Russia.
- Hazaribagh, Bangladesh.
- Kabwe, Zambia.
- Kalimantan, Indonesia.
- Matanza Riachuelo, Argentina.
Auckland, New Zealand. In New Zealand, a place in harmony with the environment, there is Auckland, one of the least polluted cities in the world. It is actually one of the best recommended cities to live in in a sustainable way.
Which is the cleanest country in the world?
| # | country | 2020 AVG. US AQI |
|---|
| 1 | Puerto Rico | 15 |
| 2 | New Caledonia | 15 |
| 3 | U.S. Virgin Islands | 15 |
| 4 | Sweden | 21 |
While Mysuru is the least polluted, followed by Satna in MP and Kochi in Kerala, Ghaziabad is the most polluted city in the northern belt. Satna and Maihar in Madhya Pradesh and Mysuru in Karnataka were the cleanest cities in the country.
According to the rankings, Ghaziabad in Uttar Pradesh was the most polluted with the average annual PM 2.5 levels of 106.6ug/m3, making it the second most polluted city in the world after Hotan in China (110.2 ug/m3). The next 13 ranks were also held by cities in India.
Where is the cleanest air in India? The cleanest city in India is Satna in the state of Madhya Pradash with a 2019 PM2. 5 reading of 15.5µg/m³ and a US AQI figure of 58.
If you seek clean tourist destinations, take note of the following list of the cleanest cities in India.
- Indore, Madhya Pradesh. #1 of 20 Cleanest Cities in India.
- Surat, Gujarat.
- Navi Mumbai, Maharashtra.
- Ambikapur, Chhattisgarh.
- Mysore, Karnataka.
- Vijayawada, Andhra Pradesh.
- Ahmedabad, Gujarat.
- New Delhi, Delhi.
“Delhi's most polluted months correlate with the agricultural burning season, which spans October through December. During these months, the average pollution exposure often exceeds the WHO (World Health Organization) annual target 10 ug/m3) by more than 14 times,†the report said.