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 :
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 | – | – | – | – | – |
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