Air Quality
Excellent
No health implications.
27
PM2.5
43
PM10
105
O3
0.3
CO
6
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
87
Good
Mon
12 May
98
Good
Tue
13 May
104
Light
Wed
14 May
93
Good
Thu
15 May
106
Light
Fri
16 May
101
Light
Sat
17 May
31
Excellent
Air quality in the last 12 months (Sihong)
|
2025/02
|
76
|
94
|
111
|
80
|
58
|
54
|
57
|
38
|
51
|
68
|
96
|
113
|
55
|
88
|
108
|
101
|
54
|
55
|
61
|
44
|
49
|
70
|
59
|
60
|
80
|
115
|
126
|
130
|
|||
|
2025/01
|
88
|
144
|
80
|
94
|
147
|
84
|
55
|
77
|
42
|
53
|
83
|
98
|
102
|
136
|
65
|
71
|
110
|
117
|
147
|
157
|
178
|
125
|
52
|
43
|
43
|
91
|
36
|
68
|
136
|
102
|
104
|
|
2024/12
|
81
|
114
|
55
|
84
|
129
|
170
|
120
|
42
|
60
|
92
|
76
|
62
|
96
|
70
|
79
|
97
|
144
|
61
|
66
|
88
|
87
|
57
|
73
|
104
|
130
|
120
|
73
|
71
|
70
|
105
|
98
|
|
2024/11
|
46
|
90
|
98
|
68
|
50
|
60
|
45
|
39
|
51
|
49
|
70
|
80
|
100
|
81
|
73
|
51
|
31
|
34
|
32
|
49
|
72
|
74
|
39
|
44
|
31
|
44
|
67
|
60
|
60
|
74
|
|
|
2024/10
|
27
|
38
|
42
|
36
|
34
|
25
|
17
|
44
|
43
|
63
|
73
|
85
|
55
|
72
|
82
|
70
|
32
|
19
|
36
|
42
|
55
|
62
|
57
|
49
|
56
|
48
|
69
|
62
|
61
|
65
|
55
|
|
2024/09
|
44
|
38
|
31
|
34
|
49
|
37
|
31
|
27
|
27
|
30
|
27
|
17
|
33
|
46
|
30
|
36
|
14
|
24
|
22
|
20
|
27
|
34
|
35
|
42
|
43
|
41
|
46
|
28
|
36
|
39
|
|
|
2024/08
|
20
|
18
|
25
|
33
|
31
|
23
|
24
|
23
|
40
|
41
|
84
|
53
|
45
|
30
|
26
|
24
|
27
|
29
|
26
|
18
|
35
|
44
|
39
|
44
|
39
|
37
|
13
|
21
|
28
|
29
|
33
|
|
2024/07
|
28
|
26
|
33
|
13
|
26
|
26
|
26
|
25
|
25
|
59
|
66
|
45
|
22
|
20
|
18
|
40
|
30
|
14
|
25
|
20
|
24
|
29
|
35
|
43
|
26
|
21
|
17
|
16
|
20
|
25
|
26
|
|
2024/06
|
41
|
41
|
61
|
53
|
53
|
37
|
40
|
53
|
63
|
53
|
44
|
57
|
57
|
68
|
43
|
54
|
40
|
43
|
46
|
33
|
39
|
33
|
43
|
75
|
79
|
49
|
46
|
30
|
15
|
27
|
|
|
2024/05
|
42
|
37
|
46
|
43
|
39
|
54
|
54
|
48
|
46
|
50
|
82
|
139
|
101
|
70
|
66
|
48
|
59
|
61
|
49
|
45
|
33
|
36
|
50
|
52
|
37
|
55
|
34
|
37
|
44
|
39
|
48
|
|
2024/04
|
82
|
58
|
40
|
40
|
57
|
57
|
66
|
48
|
58
|
66
|
57
|
63
|
35
|
35
|
37
|
75
|
113
|
92
|
71
|
52
|
46
|
53
|
59
|
73
|
64
|
58
|
39
|
28
|
33
|
52
|
|
|
2024/03
|
54
|
63
|
74
|
77
|
31
|
60
|
88
|
80
|
73
|
109
|
87
|
93
|
61
|
66
|
78
|
88
|
130
|
70
|
81
|
85
|
76
|
69
|
72
|
51
|
38
|
61
|
78
|
66
|
56
|
85
|
83
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution