Parameter

Temperature

Humidity

NO₂

SO₂

PM _2.5

0010-0800

31.2

78.3

6.2

1.38

9.2

0810-1600

32.6

80.4

5.21

1.43

8.3

1610-2400

32.1

70.5

4.14

1.51

8.7

24 hours Average

32.0

76.4

5.18

1.44

8.73

NEQS Value

80 µg/m³

120 µg/m³

35 µg/m³

Note: 

Concentration of all three parameters viz. NO 2 , SO 2 and Particulate  Matter of size less than 2.5 microns (PM 2.5 ) are below the permissible limits of National Environmental Quality Standards (NEQS). Air quality is considered satisfactory, and air pollution poses no risk. Readings taken 24 hours a day by Pakistan Environmental Protection Agency in Islamabad.