Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
47
*
PM2.5
61
PM10
30
O3
1.3
CO
14
SO2
23
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