Air Quality
Excellent
No health implications.
19
PM2.5
25
PM10
123
O3
0.6
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
59
Good
Wed
16 Sep
57
Good
Thu
17 Sep
72
Good
Fri
18 Sep
61
Good
Sat
19 Sep
47
Excellent
Sun
20 Sep
43
Excellent
Mon
21 Sep
40
Excellent
Air quality in the last 12 months (Chengguan)
|
2026/08
|
49
|
36
|
41
|
48
|
43
|
43
|
39
|
31
|
37
|
48
|
44
|
41
|
46
|
50
|
43
|
44
|
33
|
39
|
56
|
44
|
45
|
49
|
37
|
41
|
35
|
34
|
27
|
31
|
39
|
49
|
47
|
|
2026/07
|
55
|
40
|
46
|
53
|
51
|
48
|
52
|
57
|
52
|
39
|
27
|
33
|
35
|
37
|
46
|
38
|
60
|
46
|
49
|
50
|
45
|
54
|
58
|
52
|
53
|
49
|
36
|
31
|
31
|
102
|
39
|
|
2026/06
|
58
|
56
|
62
|
57
|
62
|
193
|
75
|
61
|
51
|
51
|
43
|
47
|
55
|
50
|
49
|
49
|
41
|
39
|
43
|
57
|
32
|
41
|
36
|
34
|
54
|
59
|
61
|
49
|
44
|
53
|
|
|
2026/05
|
39
|
54
|
50
|
55
|
55
|
82
|
58
|
51
|
57
|
62
|
70
|
62
|
43
|
160
|
61
|
53
|
49
|
61
|
46
|
49
|
255
|
114
|
73
|
40
|
56
|
88
|
93
|
50
|
52
|
61
|
89
|
|
2026/04
|
58
|
64
|
100
|
91
|
89
|
69
|
57
|
48
|
67
|
58
|
64
|
66
|
56
|
40
|
59
|
45
|
53
|
62
|
209
|
74
|
88
|
77
|
86
|
79
|
69
|
62
|
45
|
48
|
60
|
51
|
|
|
2026/03
|
84
|
88
|
127
|
115
|
68
|
66
|
60
|
48
|
63
|
57
|
56
|
226
|
251
|
74
|
93
|
89
|
69
|
80
|
89
|
79
|
103
|
110
|
91
|
75
|
68
|
47
|
41
|
43
|
48
|
39
|
53
|
|
2026/02
|
94
|
86
|
86
|
83
|
69
|
73
|
67
|
75
|
96
|
108
|
77
|
73
|
89
|
75
|
94
|
61
|
68
|
52
|
46
|
49
|
190
|
422
|
111
|
75
|
97
|
81
|
87
|
85
|
|||
|
2026/01
|
78
|
79
|
84
|
69
|
54
|
68
|
78
|
75
|
65
|
66
|
79
|
100
|
80
|
104
|
79
|
103
|
99
|
79
|
55
|
54
|
63
|
67
|
96
|
141
|
500
|
471
|
218
|
163
|
121
|
92
|
105
|
|
2025/12
|
90
|
65
|
69
|
73
|
82
|
100
|
76
|
70
|
84
|
87
|
99
|
86
|
73
|
81
|
97
|
88
|
88
|
97
|
63
|
48
|
85
|
92
|
50
|
53
|
56
|
69
|
88
|
105
|
94
|
104
|
72
|
|
2025/11
|
68
|
67
|
58
|
60
|
26
|
24
|
103
|
82
|
86
|
60
|
60
|
65
|
64
|
65
|
72
|
65
|
43
|
49
|
64
|
77
|
79
|
83
|
136
|
66
|
70
|
123
|
143
|
71
|
74
|
85
|
|
|
2025/10
|
32
|
37
|
52
|
63
|
57
|
45
|
37
|
32
|
41
|
33
|
31
|
33
|
50
|
51
|
51
|
54
|
39
|
50
|
56
|
52
|
41
|
39
|
28
|
39
|
48
|
42
|
60
|
62
|
67
|
64
|
67
|
|
2025/09
|
40
|
62
|
62
|
61
|
61
|
97
|
79
|
67
|
57
|
51
|
41
|
44
|
63
|
70
|
133
|
76
|
33
|
26
|
40
|
36
|
48
|
60
|
39
|
50
|
41
|
42
|
44
|
44
|
49
|
51
|
|
|
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