Here’s the list of This list contains the top 15 cities by PM2.5 annual mean concentration measurement whose measurement is greater than or equal to the air quality guideline (AQG). This is documented by World Health Organization (WHO).
The air pollution level is very high in Kanpur city of India but its level of water pollution is also high.
Shijiazhuang is the capital and largest city of North China‘s Hebei Province. The pollution level of this city is also very high.
13)Dammam, Saudi Arabia
As recently as the 1940s and 50s, Dammam was a quiet fishing village, but the discovery of oil transformed this area into a hub for the Saudi energy industry. But it is one of the most polluted cities of the world also.
The quantity of air pollution is very high. Moreover, the condition of this city very insanitary as well.
The airborne particles and toxic chemicals that make up the smog have choked the 19 million residents of the metropolitan area, where merely breathing the air was, at its worst, like smoking 50 cigarettes in a day. Hospitals reported a 20 per cent surge in patients with pollution-related illnesses, and doctors have declared a public health emergency.
Baoding is the 10th-most polluted city by particulate matter concentration (126 PM2.5). The top 10 most polluted cities by particulate matter concentration are Zabol, Gwalior, Allahabad, Riyadh, Al Jubail, Patna, Raipur, Bamenda, Xingtai, Baoding.
Xingtai is one of the oldest cities in northern China. Based on the most reliable air-pollution index in China, the country’s most polluted city is Xingtai.
The annual PM2.5 score in Raipur is 144. The biggest contributors to the bad quality of the air are toxic industrial and domestic waste.
” Chhattisgarh capital Raipur has earned the dubious distinction of being among seventh top polluted cities in the world—relegating Delhi to the eleventh spot—but the only solace is that the situation of air pollution here is better than Gwalior, Allahabad and Patna as per a World Health Organisation (WHO) report” reported The Times Of India.
The overall pollution level in Patna is moderate. But People with breathing or heart problems may experience breathing discomfort.
05)Al Jubail, Saudi Arabia
Al Jubail, a city in the Eastern province on the Persian Gulf coast, has an annual PM2.5 score of 152. Heavy metals due to uncontrolled disposal of industrial waste into a coastal area are a huge problem, according to the African Journal of Biotechnology. Wastes from domestic sources, as well as habitat destruction, are also contributing to the bad air quality.
04)Riyadh, Saudi Arabia
Riyadh, Saudi Arabia – 156 µg/m3 of PM 2.5. Riyadh, the largest city in Saudi Arabia also clocks in as its most polluted, with 15 times what a healthy annual PM 2.5 should be. The city attributes the high pollution days in part to sulfur dioxide in the air, which predominantly comes from industrial activity.
The residents of Allahabad deal with the perfect storm of pollution. Changing wind patterns, coal-burning power plants, vehicular emissions, and deforestation all leave this city, quite literally, in the dust.
The latest WHO ranking of cities based on ambient air quality released on May 2 lists eight Indian cities as the topmost polluted cities in the world.
The World Health Organization to name Zabol the most polluted city in the world in 2016. A 2017 study in the journal Preventive Medicine suggested that the harm from 30 minutes of cycling outdoors in Zabol’s polluted air would outweigh the benefits of the exercise.