Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
42
O3
0.6
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
45
Excellent
Sat
29 Aug
52
Good
Sun
30 Aug
40
Excellent
Mon
31 Aug
42
Excellent
Tue
1 Sep
47
Excellent
Wed
2 Sep
19
Excellent
Thu
3 Sep
35
Excellent
Air quality in the last 12 months (Chengbu)
|
2026/07
|
18
|
26
|
24
|
22
|
18
|
13
|
14
|
15
|
18
|
18
|
28
|
31
|
31
|
29
|
22
|
17
|
16
|
20
|
17
|
17
|
18
|
21
|
23
|
26
|
33
|
34
|
22
|
19
|
20
|
14
|
14
|
|
2026/06
|
36
|
41
|
37
|
28
|
26
|
33
|
24
|
25
|
26
|
31
|
36
|
40
|
31
|
21
|
30
|
34
|
42
|
24
|
13
|
16
|
22
|
23
|
20
|
17
|
18
|
27
|
35
|
40
|
38
|
24
|
|
|
2026/05
|
36
|
40
|
22
|
33
|
39
|
47
|
42
|
29
|
29
|
43
|
44
|
52
|
31
|
32
|
39
|
41
|
24
|
19
|
16
|
18
|
20
|
21
|
29
|
30
|
27
|
30
|
33
|
29
|
29
|
34
|
35
|
|
2026/04
|
30
|
45
|
29
|
38
|
62
|
52
|
32
|
53
|
67
|
60
|
37
|
27
|
28
|
21
|
19
|
18
|
24
|
36
|
47
|
33
|
16
|
16
|
23
|
34
|
50
|
54
|
51
|
26
|
28
|
29
|
|
|
2026/03
|
10
|
15
|
27
|
29
|
37
|
49
|
63
|
22
|
22
|
45
|
34
|
45
|
56
|
65
|
85
|
63
|
57
|
31
|
35
|
23
|
28
|
32
|
25
|
16
|
37
|
44
|
22
|
26
|
31
|
33
|
30
|
|
2026/02
|
60
|
63
|
71
|
98
|
108
|
72
|
78
|
58
|
61
|
42
|
44
|
62
|
50
|
59
|
61
|
29
|
49
|
68
|
61
|
43
|
66
|
86
|
76
|
36
|
51
|
44
|
14
|
17
|
|||
|
2026/01
|
28
|
51
|
63
|
65
|
38
|
55
|
57
|
59
|
68
|
95
|
95
|
105
|
96
|
92
|
116
|
136
|
119
|
120
|
58
|
22
|
43
|
56
|
62
|
72
|
86
|
31
|
64
|
84
|
77
|
24
|
35
|
|
2025/12
|
69
|
92
|
81
|
71
|
65
|
77
|
85
|
75
|
89
|
95
|
95
|
110
|
29
|
47
|
61
|
72
|
74
|
74
|
80
|
82
|
68
|
89
|
64
|
37
|
56
|
60
|
63
|
67
|
83
|
91
|
107
|
|
2025/11
|
41
|
30
|
18
|
17
|
30
|
32
|
35
|
10
|
8
|
10
|
28
|
48
|
39
|
45
|
48
|
56
|
58
|
25
|
29
|
36
|
38
|
45
|
55
|
57
|
51
|
50
|
68
|
67
|
56
|
64
|
|
|
2025/10
|
45
|
32
|
29
|
40
|
47
|
24
|
23
|
38
|
39
|
36
|
38
|
51
|
62
|
37
|
42
|
41
|
41
|
21
|
12
|
9
|
12
|
26
|
36
|
41
|
51
|
53
|
45
|
55
|
66
|
78
|
49
|
|
2025/09
|
34
|
31
|
27
|
26
|
36
|
37
|
44
|
41
|
17
|
20
|
23
|
18
|
25
|
31
|
32
|
32
|
23
|
35
|
43
|
26
|
27
|
22
|
23
|
15
|
14
|
17
|
28
|
36
|
42
|
48
|
|
|
2025/08
|
33
|
33
|
26
|
28
|
28
|
16
|
14
|
20
|
27
|
28
|
31
|
33
|
37
|
27
|
13
|
24
|
26
|
28
|
19
|
20
|
19
|
22
|
29
|
34
|
27
|
28
|
29
|
25
|
29
|
29
|
31
|
|
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