Air pollution, US cities

Report reveals 2024's most polluted cities, countries: Which US cities made the list?
Data from more than 40,000 air quality monitoring stations in 138 countries, territories and regions were analyzed for the report, IQAir said.
The list of the world’s top 20 most polluted cities is out. All but one are in Asia
The cities with the worst air pollution in North America were Ontario, Bloomington and Huntington Park – all in Southern California
India has six of the world's 10 most polluted cities, report shows
Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, according to an IQAir report.
Top 10 most polluted cities in the world (2024-25): 6 of them are in India
India, the fifth most polluted country in the world, is home to 13 of the top 20 most polluted cities in the world, according to the latest report by IQAir.
Most polluted cities in the world — and the U.S. — revealed in annual report
The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.
The world's 10 most polluted cities revealed - Asia dominates list
The most polluted cities in the world last year have been revealed in a new study, with countries in Asia dominating the top 10, a new study suggests.
This Meghalaya city topped list of world's most polluted cities in 2024
Byrnihat, declared the world's most polluted city according to IQAir's World Air Quality Report 2024, faces severe health issues due to industrial pollution.
Top 10 most polluted Indian cities (2024-25): Delhi tops the list, Byrnihat ranked worst globally
According to the latest IQAir report, Delhi stands out as the most polluted capital globally and the most polluted cosmopolitan city in India, with the highest overall AQI of 108.3 in 2024.
India home to 6 of world’s 10 most polluted cities; Delhi most polluted capital: Report
Thirteen of the world's twenty most polluted cities are in India, with Byrnihat being the most polluted globally. Delhi remains the most polluted capi
20 most polluted cities in the world
Air pollution remains a serious global challenge, with some cities experiencing dangerously high levels of fine particulate matter (PM2.5). According to the latest IQAir report, 19 of the 20 most polluted cities in the world are in Asia,
Map Shows US Cities With Worst Air Pollution
According to the ranking in IQAir's 2024 World Air Quality Report, these are the 10 U.S. cities with the worst pollution in ...
Particulate matter levels in air exceed WHO limits in majority of world's big cities
Fewer than one in five global cities met World Health Organization air pollution standards in 2024 with Central and South ...