Month

Monthly mean PM_2.5 concentrations and standard deviations (μg·m⁻³)

Residences at 0.61 m

Cabins at 0.61 m

Frame houses at 0.61 m

Residences at 1.52 m

Cabins at 1.52 m

Frame houses at 1.52 m

Office/ commercial buildings

Office/ commercial buildings monitor

Office/ commercial buildings no monitor

April

86.1 ± 66.9

57.3 ± 39.0

146.8 ± 95.2

73.6 ± 71.3

8.3 ± 6.0

149.4 ± 46.0

9.8 ± 10.3

12.5 ± 20.5

7.3 ± 2.8

May

113.6 ± 107.4

16.1 ± 7.9

137.0 ± 129.2

73.5 ± 51.0

43.5 ± 20.5

104.8 ± 73.1

4.4 ± 2.6

4.9 ± 3.0

4.8 ± 3.4

June

48.8 ± 44.4

24.6 ± 15.3

79.3 ± 85.0

63.2 ± 31.5

31.6 ± 23.4

80.3 ± 35.9

120.1 ± 266.0

8.6 ± 8.5

1285.1 ± 1097.3

July

133.5 ± 121.9

-.-

135.3 ± 121.6

58.2 ± 40.1

55.8 ± 45.3

62.9 ± 40.8

1036.7 ± 1412.0

41.7 ± 38.3

4834.4 ± 5136.5

August

113.1 ± 78.6

-.-

96.4 ± 53.8

66.9 ± 59.7

13.0 ± 6.1

114.1 ± 40.4

480.1 ± 343.2

7.4 ± 7.2

982.0 ± 721.5