WebMetros with the Worst Air Quality. Photo Credit: Alamy Stock Photo. 1. Riverside-San Bernardino-Ontario, CA. Median Air Quality Index for 2024: 89. Good days: 42. Moderate days: 178. Unhealthy or hazardous days: 145. Maximum Air Quality Index observed in … WebJul 29, 2009 · Of the 25 most-polluted U.S. cities, 16 had worse ozone pollution than one year ago, according to the American Lung Association. Thirteen had worse particulate …
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WebHere are the ten cities with the worst air quality indicators and pollution rankings, according to IQAir:-1. Delhi, India (AQI: 556) 2. Lahore, Pakistan (AQI: 354) 3. Sofia, Bulgaria (AQI: 178) WebJul 21, 2024 · The best and worst cities in the United States are ranked under three categories: short-term particle pollution, year-round particle pollution and ozone pollution. Acute effects caused by high ozone levels are generally reversible, whereas “long-term exposure to air polluted by particulate matter” can exacerbate chronic disorders like heart ... dallas cowboys women jersey
17 US Cities With the Worst Air Quality so Far This Year - Insider
WebAccording to IQAir, a Switzerland-based climate group that is also a technology partner of the United Nations Environmental Program(UNEP) has listed Mumbai and Kolkata are in … WebApr 12, 2024 · Cities in the Southwestern US have the country’s worst air quality. Arizona’s Phoenix-Mesa-Scottsdale metro area had an unhealthy air quality rating 64.9% of all days in the year, and good air quality 3% of the time. ... In 2024, 11 cities had unhealthy air quality more than 10% of the year. Of these 11, eight were in California, with the ... WebApr 22, 2024 · The top 10 cities in each of the three categories were in Western states; the most eastern city was Houston. Here are the worst air cities: Worst air by ozone: Los … dallas cowboys women\u0027s cap