Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
41
PM2.5
78
*
PM10
158
O3
0.7
CO
11
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 Apr
76
Good
Fri
4 Apr
70
Good
Sat
5 Apr
68
Good
Sun
6 Apr
62
Good
Mon
7 Apr
56
Good
Tue
8 Apr
56
Good
Wed
9 Apr
28
Excellent
Air quality in the last 12 months (Chengbu)
|
2025/02
|
17
|
14
|
47
|
63
|
63
|
64
|
46
|
72
|
47
|
55
|
74
|
73
|
72
|
81
|
48
|
42
|
38
|
43
|
32
|
21
|
73
|
24
|
39
|
85
|
63
|
54
|
37
|
48
|
|||
|
2025/01
|
107
|
106
|
115
|
144
|
154
|
99
|
83
|
83
|
50
|
59
|
63
|
71
|
71
|
72
|
75
|
67
|
73
|
90
|
89
|
89
|
103
|
119
|
142
|
189
|
51
|
24
|
50
|
81
|
198
|
108
|
44
|
|
2024/12
|
61
|
72
|
88
|
114
|
48
|
28
|
38
|
55
|
91
|
29
|
29
|
61
|
65
|
55
|
49
|
52
|
69
|
67
|
84
|
96
|
95
|
89
|
87
|
95
|
97
|
96
|
83
|
115
|
112
|
112
|
90
|
|
2024/11
|
51
|
77
|
76
|
73
|
80
|
71
|
59
|
53
|
64
|
71
|
66
|
68
|
69
|
79
|
79
|
68
|
27
|
16
|
17
|
24
|
35
|
42
|
54
|
54
|
35
|
22
|
36
|
41
|
44
|
56
|
|
|
2024/10
|
27
|
46
|
58
|
54
|
54
|
62
|
59
|
49
|
47
|
53
|
64
|
69
|
89
|
68
|
41
|
34
|
44
|
34
|
17
|
20
|
26
|
19
|
30
|
39
|
44
|
50
|
42
|
52
|
62
|
56
|
54
|
|
2024/09
|
35
|
34
|
41
|
40
|
52
|
44
|
32
|
31
|
31
|
35
|
37
|
39
|
35
|
35
|
40
|
37
|
40
|
42
|
40
|
40
|
30
|
31
|
40
|
45
|
58
|
60
|
55
|
57
|
54
|
55
|
|
|
2024/08
|
14
|
20
|
22
|
27
|
29
|
28
|
31
|
27
|
27
|
27
|
23
|
32
|
32
|
40
|
44
|
39
|
40
|
40
|
39
|
32
|
31
|
20
|
20
|
20
|
28
|
31
|
35
|
30
|
36
|
38
|
43
|
|
2024/07
|
18
|
12
|
22
|
20
|
19
|
18
|
21
|
19
|
22
|
25
|
25
|
25
|
27
|
21
|
25
|
25
|
20
|
18
|
14
|
21
|
27
|
26
|
23
|
29
|
34
|
33
|
35
|
16
|
15
|
19
|
15
|
|
2024/06
|
25
|
20
|
43
|
19
|
15
|
23
|
33
|
34
|
35
|
27
|
19
|
20
|
16
|
21
|
26
|
29
|
13
|
10
|
18
|
24
|
22
|
28
|
26
|
18
|
10
|
18
|
19
|
21
|
15
|
13
|
|
|
2024/05
|
18
|
34
|
21
|
14
|
22
|
35
|
44
|
51
|
47
|
39
|
27
|
44
|
58
|
59
|
59
|
64
|
57
|
39
|
18
|
19
|
33
|
46
|
41
|
36
|
40
|
20
|
18
|
34
|
32
|
20
|
20
|
|
2024/04
|
48
|
61
|
33
|
25
|
22
|
21
|
29
|
37
|
43
|
48
|
51
|
51
|
44
|
43
|
59
|
51
|
23
|
32
|
24
|
25
|
34
|
43
|
41
|
43
|
36
|
33
|
34
|
46
|
51
|
13
|
|
|
2024/03
|
70
|
46
|
53
|
45
|
31
|
65
|
64
|
57
|
61
|
55
|
43
|
50
|
44
|
47
|
38
|
37
|
42
|
18
|
46
|
75
|
75
|
58
|
40
|
45
|
27
|
23
|
51
|
28
|
36
|
56
|
47
|
|
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