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.
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.
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 North America: While eight of the most polluted U.S. cities in North America were in California, with the remaining two in Texas, the two least polluted regional cities were both located in Hawaii: Waimea and Ocean View.
El Paso ranked among most-polluted major U.S. cities in 2024. And 2025 may be worse.
El Paso had the ninth-most polluted air among major U.S. cities in 2024, according to one global report released Tuesday – and that was before a series of intense dust storms last week created some of the worst air quality conditions ever recorded in the city.
Accra ranked second most polluted city in Africa
Accra has been ranked as the second most polluted city in Africa in terms of its air pollution index, according to data from Numbeo, the world's largest data platform, with a score of 89.2.
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
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 ...
Majority of the world has polluted air: Report
Only seven countries met the WHO air quality standard in 2024, with India hosting 13 of the top 20 most polluted cities. A ...
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Why Meghalaya's Byrnihat has the most polluted air in the world
Unregulated industrial standards and vehicle emissions are the major drivers of the city's pollution. Joint action by the ...
World’s most polluted city is located in India, its not New Delhi, Noida, Faridabad, Gurugram, Kanpur, Kolkata, Patna, Mumbai, the name is…, state is….
The other four cities are in Pakistan, and one in China and Kazakhstan, respectively. Notably, the city which is outside Asia ...
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 ...
Most people around the world are now breathing polluted air, researchers warn
India had six of the nine most polluted cities worldwide, a new report from a Swiss-based database found. View on euronews ...