Month

PAHS

King Fahd (KF)

Airport (AP)

PM10

PM2.5

PM10

PM2.5

January

6.60

1.4

9.4

7.2

February

12.15

3.75

11.6

13.5

March

24.75

3.45

12.7

5.85

April

20.10

8.15

12.6

13.2

May

5.10

2.7

14.5

3.2

June

21.25

5.35

10.8

10.55

July

3.80

8.1

12.8

7.2

August

9.95

6.25

10.9

3.85

Average

12.96

4.89

11.91

8.07

Maximum

24.75

8.15

14.5

13.5

Minimum

3.80

1.4

9.4

3.2