Be on alert if you are in the west. The haze has gotten worse and the level has reached a level of 252 but NEA reports 3 hrs average of 91 (but the hourly PM2.5 is 202). So, which is more accurate ? Well, see and smell for yourself is the most accurate.

Here are screen shots :

psi

aqi

 

1-hr PM2.5 (µg/m3)b Readings on 22 Sep 2015

View reading for:

Time 1am 2am 3am 4am 5am 6am 7am 8am 9am 10am 11am 12pm
North 20 27 34 31 37 34 45 46 40 47 50 68
South 30 35 42 37 42 41 47 50 72 46 48 44
East 25 26 33 42 44 49 44 38 34 40 50 63
West 24 32 36 32 35 37 42 44 33 33 48 65
Central 25 24 27 33 32 34 38 34 53 49 46 54
Time 1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
North 86 81 73
South 75 48 98
East 55 65 73
West 66 87 202
Central 62 53 61

By Harry