Experts recommend masking up outside, staying indoors when you can and making your own DIY air filter.
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Kids in India illegally collect bits of coal to sell so they can help their families. To give them a chance for a brighter future, a local educator gives them lessons in academics and the arts.
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The utility began an energy efficiency upgrade program for renters and owners of single-family homes intended to help keep energy costs down.
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Residents are worried about environmental and health impacts after a train carrying hazardous materials derailed earlier this month and officials evacuated the area to conduct a controlled burn.
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Scientists got their first up-close look at what's eating away part of Antarctica's Thwaites ice shelf, nicknamed the Doomsday Glacier because of its massive melt and sea rise potential.
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Hundreds of worried people gathered to hear state officials tell them that testing so far has shown local air is safe to breathe and to promise that safety testing of the air and water would continue.
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California Gov. Gavin Newsom is asking state regulators to store more water from recent storms that hit the drought-ravaged state.
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It was 54 in Vista, 50 in Ramona and 34 in Idyllwild on Tuesday, all record low temperatures for the day in those areas.
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The U.S. military started tracking more airborne objects it calls "low speed clutter" after shooting down the Chinese balloon. The National Weather Service says it launches about 184 balloons a day.
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A weather system with strong winds and unusually cold air descends on Southern California.
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San Diego County is monitoring an increase in hepatitis A cases, with five recent confirmed cases and one death, health officials said Tuesday.
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