Air Quality
Excellent
No health implications.
13
PM2.5
19
PM10
74
O3
0.6
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
40
Excellent
Wed
29 Jul
42
Excellent
Thu
30 Jul
42
Excellent
Fri
31 Jul
43
Excellent
Sat
1 Aug
40
Excellent
Sun
2 Aug
38
Excellent
Mon
3 Aug
39
Excellent
Air quality in the last 12 months (Chengbu)
|
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
|
|
2025/07
|
19
|
18
|
22
|
28
|
32
|
45
|
37
|
35
|
37
|
31
|
26
|
37
|
30
|
31
|
21
|
25
|
26
|
35
|
32
|
28
|
14
|
12
|
15
|
24
|
26
|
33
|
33
|
26
|
31
|
30
|
29
|
|
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