Yosemite National Park's iconic cliffs are shrouded in so much smoke from nearby wildfires that the air quality is worse than anywhere in America and is rivaling Beijing.
Environment
Aug 4, 2018
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43
"It's a code red day for ozone." If you hear this on your local news, what does it mean? Are you at risk? Do you know what to do? An air quality alert like this informs the public about pollution levels in the air and advises ...
Environment
Jun 26, 2018
0
13
A new USC analysis of air quality data shows sharply different levels of air pollution across the Los Angeles area, with Chinatown suffering from the unhealthiest air. Altadena had the lowest air pollution.
Environment
Jun 14, 2018
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5
Hong Kong's famous skyline was engulfed in smog Monday, with residents urged to stay indoors.
Environment
Jan 22, 2018
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46
An interactive map that makes it possible to check air quality in real time across Europe, where air pollution has been linked to hundreds of thousands of premature deaths every year, went live on Thursday.
Environment
Nov 16, 2017
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20
Authorities in Beijing warned Wednesday that heavy pollution will persist this week, urging the suspension of outdoor school activities and construction projects.
Environment
Nov 16, 2016
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9
Acrid smog blanketed Singapore Friday as the city-state was hit by the year's first major outbreak of haze, an annual crisis sparked by forest fires in neighbouring Indonesia.
Environment
Aug 26, 2016
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0
New Delhi on Friday imposed driving restrictions that will take around a million cars off its roads for the second time this year, seeking to improve air quality in the world's most polluted capital.
Environment
Apr 15, 2016
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12
The environmental authorities in Mexico City will keep 40 percent of cars off the roads on Wednesday because of extremely high pollution levels, officials said.
Environment
Apr 6, 2016
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38
Choking smog returned to the skies of Mexico City this week at levels not seen in more than a decade, prompting fears of more eye-watering days to come as efforts to curb pollution run afoul of the courts and the realities ...
Environment
Mar 18, 2016
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22
