Max Allowable Limit

UAE

Saudi Arabia

WHO

US-EPA

European Union

TSP

Daily

230

-

-

-

150

Annual

90

-

-

-

-

PM10

Daily

150

340*

50

150

50

Annual

-

80

20

-

40

PM2.5

Daily

-

35*

25

35*

-

Annual

-

15

10

15

25