Outdoor pollution is affecting indoor air quality. Here’s how – ZME Science

Elevated air pollution events such as fireworks or wildfires can also affect indoor air a new study, shows. The finding is especially relevant as many are spending more time indoors amid the coronavirus pandemic, with the researchers calling for ways to mitigate contaminant intrusion such as filter upgrades.
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In the US, more than 141 million people live in areas with unhealthy levels of air pollution, and pollutant exposure rates are more likely to be determined…

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