Pacific Northwest wildfires alter air pollution patterns across North America

Increasingly large and intense wildfires in the Pacific Northwest are altering the seasonal pattern of air pollution and causing a spike in unhealthy pollutants in August, according to new research. The smoke is undermining clean air gains, posing potential risks to the health of millions of people, according to the study.

from Latest Science News -- ScienceDaily https://ift.tt/JyqVaCG

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