There has been a lot of talk about air quality levels as nearly the entire tri-state area has been engulfed by smoke coming down from wildfires in Canada. But what do all the numbers actually mean?
On a bad-air morning in Bangkok, it starts the same way. Kids clear their throats in the car, parents check an air-quality ...
The elderly, children and those with existing heart and lung conditions should “avoid long or intense outdoor activities." ...
Orange PM2.5 levels mean air quality is starting to affect health. Read more at straitstimes.com. Read more at straitstimes.com.
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