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.
World’s cities are failing on air pollution
By contrast, heavy pollution levels were found in Africa and Central & South Asia. All up, the five most polluted countries were Chad, Bangladesh, Pakistan, Democratic Republic of Congo and India. In Chad, annual PM2.5 levels (91.8 µg/m3) exceeded the WHO recommendation by more than 18 times.
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.
Conrad K. Sangma to ‘check’ Byrnihat pollution after report ranks town as world’s 'most polluted city'
World Air Quality Report for 2024 published by IQAir says that the border town in Assam recorded an annual average PM2.5 concentration of 128.2 microgram per cubic meter(μg/m3)
U.S. Most and Least Polluted Cities: Check out the list
Air pollution remains a major health risk. In the U.S., California has the most polluted cities, while Hawaii and Washington have the cleanest air.
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.
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.
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.
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
Three Raj cities ranked among world’s Top 20 most polluted
Jaipur: In a grim reminder of worsening air quality, three cities from Rajasthan — Sriganganagar, Bhiwadi, and Hanumangarh — have been ranked among the World's Top 20 most polluted cities, according to the Air Quality Report 2024 released by Swiss air quality technology company IQAir.
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,
FOX Weather on MSN2h
Which cities in US have worst air quality? New report highlights alarming global trends
Swiss air quality technology company, IQAir, released its 7th annual World Air Quality Report, highlighting trends in air ...
Lufkin Daily News2d
LIVE: IQAir leaders hold press conference on their report on global pollution
IQAir Global CEO Frank Hammes and IQAir Air Quality Science Manager Dr. Christi Chester Schroeder speak at a news conference ...
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 ...
Statista on MSN11h
The Countries Improving Air Pollution Most
In the five years between 2019 and 2024, average annual air pollution by particles of 2.5 micrometers in diameter or smaller ...
FOX 5 New York on MSN2d
New York's worst air quality in 2024 was not in NYC: See the data
A new study reveals that these places in New York had poor air quality last year. See if your area is on the list.
Al Jazeera on MSN2d
Most of the world’s population is breathing dirty air: Report
IQAir study finds that Chad, Bangladesh, Pakistan, India and the Democratic Republic of Congo have the dirtiest air.
Africanews on MSN2d
New report finds only seven countries met world clean air standards in 2024
The IQAir World Quality Report found that Chad, the Congo, Bangladesh, Pakistan, and India had the dirtiest air.
The Nation UAE on MSN1d
Pakistan remained world's 3rd most polluted country in 2024
Pakistan ranked the third most polluted country in 2024 - when it faced a record smog season - while Chad topped the list, according to an annual report published by Swiss air technology company IQAir ...