Haze Awareness: Look at the PM2.5 reading, not PSI PSI maybe 73 as for now. but the PM level is still 217-254(µg/m3).. dun be toopid and go for a run now The NEA’s health advisory states that once PM2.5 concentration levels reach above 40, residents should start taking precautions such as reducing prolonged or heavy exertion outdoors. The same advisory puts the range of 150-250 as the upper limit where “everyone should avoid all physical activity outdoors” which is the same descriptor given for the ‘hazardous’ range in the PSI table
Posted on: Sat, 22 Jun 2013 09:12:12 +0000
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