Parameter

Temperature

Humidity

NO₂

SO₂

PM _2.5

0010-0800

12

78

13.3

10.7

11.3

0810-1600

15

64

15.3

14.2

10.2

1610-2400

16

56

16.2

15.2

14.2

24 hours Average

14.33^oC

66%

14.93

13.4

11.9

NEQS Value

80 µg/m³

120 µg/m³

35 µg/m³

Note: 

Concentration of all three parameters viz. NO₂ , SO₂ 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.