The report ranked the air in Bangladesh as the world's most polluted in 2021, with PM2. 5 concentrations of 76.9 micrograms per cubic meter. “Central and South Asia had some of the world's worst air quality and was home to 46 of the world's 50 most polluted cities,” it stated.
The cleanest air in the world is in Zurich. The pollution status is determined on the basis of average levels of PM2. 5 measured over a period of 12 months. And this Swiss city obtained an annual value of 0.51 µg / m3, which makes it the lowest in the world.
Tired of the pollution in Australia's big cities? The world's cleanest air is just across the Bass Strait. It's in North-Western Tasmania on the Cape Grim Peninsula where you can find the cleanest air on the planet, according to a measuring station on the cape.
Australia air quality is generally among some of the cleanest in the world, although the country is vulnerable to short-term extreme pollution spikes which occur due to bushfires and dust storms.
As many as 35 of the 50 cities with the worst air quality were in India, with New Delhi continuing to be the world's most polluted capital city for the fourth consecutive year in 2021, according to the World Air Quality Report, prepared by Swiss organisation IQAir, released on Tuesday.
Maine. Bangor is by far the cleanest in terms of ozone air pollution and short-term particle pollution. The American Lung Association ranks the city fifth in the top 25 cleanest US cities for year-round particle pollution. Portland is ranked as the cleanest for short-term particle pollution.
The most polluted city in the world is a notable climber in Saudi Arabia, with Dammam averaging 124.11 micrograms of PM2. 5 as it was ranked 11th last year. The number of Indian cities on the top 25 list decreased from 10 to 9 as one Chinese city joined the list.
Tasmania has some of the cleanest air in the world. During bushfires, and in winter in some areas, it can get very smoky outside. Smoke reduces the quality of the air you breathe, and it also affects your health.
Tasmania has the cleanest air in the world, monitored by the Cape Grim Baseline Air Pollution Station. The lack of pollution is due to the position of Tasmania in the Southern Ocean, far from other landmasses.
Australia topped the list as the least polluted country in the world, with 7 cities in the top 25. Of the 25 least polluted cities in the world with the best air quality, Nordic countries (Finland, Sweden, Norway, Iceland, Estonia) dominated the rankings with some of the cleanest air in the world in 2022.
The capital of Estonia, Tallinn, is known as the cleanest city in the world. It has 430,000 people, and it's one of the most livable cities in Europe. The capital's high level of education means that its streets are spotless, and almost every household recycles their waste paper to reduce landfill levels.
Long Beach, California, which was named the cleanest city in America.
If you want the world's cleanest air, try moving to the U.S. Virgin Islands or New Caledonia. IQAir analyzed PM2. 5 air pollution, fine particles in the air measuring 2.5 microns or smaller in diameter, at air monitoring stations in 6,475 cities in 117 countries, regions and territories.
Finland ranks first in the world for Environmental Health (99.3) and Air Quality (98.8), as well as achieving perfect 100s for Sanitation & Drinking Water and Heavy Metals Exposure. The country also prioritizes forest and wildlife conservation.
The top ten list of the world's most polluted countries as of 2021 is: Bangladesh – 76.9 µg/m³ Chad – 75.9 µg/m³ Pakistan – 66.8 µg/m³
Port Hedland: Australia's dustiest town
The Outback town is one of the largest iron ore loading ports in the world and the largest in Australia, with ports Port Walcott and Dampier nearby.
Across all four categories, Australia was ranked as the sixth-worst performing of the 57 countries assessed.
The King River in Tassie is thought to be the most polluted river in Australia. For close to 70 years it was used as a dumping ground for the mining waste from a nearby copper mine.