Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
47
*
PM2.5
56
PM10
32
O3
1.3
CO
9
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
2 Sep
73
Good
Thu
3 Sep
60
Good
Fri
4 Sep
63
Good
Sat
5 Sep
60
Good
Sun
6 Sep
45
Excellent
Mon
7 Sep
49
Excellent
Tue
8 Sep
20
Excellent
Air quality in the last 12 months (Chengxi)
|
2026/07
|
37
|
37
|
39
|
43
|
43
|
43
|
44
|
44
|
41
|
31
|
24
|
26
|
28
|
28
|
30
|
32
|
31
|
32
|
36
|
33
|
33
|
35
|
40
|
43
|
46
|
41
|
41
|
35
|
34
|
82
|
33
|
|
2026/06
|
44
|
35
|
36
|
34
|
38
|
101
|
73
|
61
|
39
|
38
|
40
|
33
|
42
|
43
|
40
|
43
|
31
|
32
|
32
|
30
|
32
|
36
|
34
|
36
|
31
|
38
|
38
|
37
|
34
|
37
|
|
|
2026/05
|
31
|
33
|
35
|
38
|
46
|
40
|
51
|
52
|
45
|
48
|
60
|
58
|
72
|
104
|
70
|
51
|
41
|
70
|
45
|
58
|
79
|
161
|
73
|
36
|
46
|
62
|
54
|
47
|
41
|
38
|
38
|
|
2026/04
|
40
|
48
|
54
|
79
|
64
|
55
|
58
|
48
|
42
|
57
|
59
|
51
|
41
|
40
|
45
|
29
|
41
|
43
|
173
|
76
|
72
|
52
|
73
|
66
|
53
|
53
|
37
|
30
|
41
|
47
|
|
|
2026/03
|
83
|
87
|
86
|
100
|
97
|
67
|
60
|
56
|
43
|
47
|
44
|
112
|
375
|
111
|
88
|
89
|
63
|
70
|
65
|
64
|
76
|
101
|
93
|
62
|
56
|
53
|
57
|
53
|
54
|
34
|
36
|
|
2026/02
|
81
|
74
|
90
|
77
|
65
|
67
|
58
|
63
|
90
|
86
|
63
|
72
|
65
|
60
|
72
|
77
|
81
|
54
|
49
|
42
|
53
|
199
|
148
|
64
|
71
|
73
|
77
|
82
|
|||
|
2026/01
|
74
|
76
|
91
|
101
|
81
|
74
|
53
|
52
|
54
|
43
|
47
|
43
|
48
|
112
|
59
|
64
|
52
|
74
|
64
|
60
|
57
|
64
|
68
|
68
|
255
|
205
|
149
|
109
|
110
|
93
|
93
|
|
2025/12
|
62
|
62
|
59
|
70
|
76
|
68
|
66
|
69
|
84
|
78
|
85
|
142
|
58
|
68
|
75
|
67
|
77
|
64
|
59
|
45
|
80
|
91
|
74
|
68
|
64
|
81
|
71
|
72
|
61
|
74
|
85
|
|
2025/11
|
64
|
56
|
60
|
69
|
65
|
34
|
46
|
84
|
85
|
59
|
66
|
58
|
64
|
58
|
65
|
69
|
53
|
51
|
67
|
55
|
69
|
70
|
68
|
63
|
57
|
65
|
42
|
51
|
53
|
59
|
|
|
2025/10
|
26
|
46
|
59
|
63
|
50
|
42
|
24
|
22
|
26
|
22
|
29
|
23
|
42
|
52
|
43
|
63
|
38
|
73
|
54
|
57
|
58
|
49
|
27
|
34
|
42
|
33
|
48
|
51
|
59
|
58
|
59
|
|
2025/09
|
50
|
21
|
42
|
50
|
33
|
66
|
64
|
40
|
55
|
54
|
51
|
36
|
56
|
83
|
90
|
112
|
35
|
28
|
40
|
40
|
36
|
42
|
39
|
55
|
37
|
49
|
41
|
42
|
46
|
45
|
|
|
2025/08
|
56
|
44
|
43
|
21
|
22
|
28
|
37
|
20
|
28
|
33
|
36
|
31
|
39
|
37
|
35
|
42
|
48
|
46
|
35
|
55
|
17
|
24
|
29
|
35
|
42
|
30
|
17
|
18
|
24
|
34
|
43
|
|
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