Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
26
PM2.5
56
*
PM10
27
O3
0.8
CO
18
SO2
28
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Apr
49
Excellent
Sun
28 Apr
47
Excellent
Mon
29 Apr
47
Excellent
Tue
30 Apr
50
Excellent
Wed
1 May
46
Excellent
Thu
2 May
47
Excellent
Air quality in the last 12 months (Chengbu)
|
2024/02
|
37
|
17
|
15
|
26
|
45
|
34
|
44
|
60
|
85
|
136
|
96
|
86
|
66
|
47
|
48
|
44
|
52
|
43
|
59
|
63
|
19
|
20
|
21
|
23
|
29
|
27
|
47
|
39
|
42
|
||
|
2024/01
|
103
|
62
|
56
|
68
|
89
|
86
|
85
|
73
|
72
|
96
|
93
|
79
|
91
|
78
|
125
|
137
|
101
|
55
|
18
|
20
|
46
|
37
|
55
|
57
|
61
|
67
|
57
|
70
|
63
|
49
|
50
|
|
2023/12
|
52
|
53
|
52
|
38
|
44
|
55
|
53
|
62
|
80
|
59
|
23
|
31
|
55
|
49
|
25
|
29
|
34
|
24
|
33
|
54
|
57
|
55
|
52
|
61
|
66
|
76
|
80
|
86
|
151
|
185
|
148
|
|
2023/11
|
50
|
45
|
54
|
61
|
45
|
22
|
30
|
42
|
39
|
18
|
13
|
14
|
37
|
45
|
42
|
31
|
40
|
49
|
50
|
52
|
54
|
67
|
80
|
68
|
67
|
74
|
72
|
62
|
67
|
70
|
|
|
2023/10
|
43
|
49
|
46
|
37
|
21
|
39
|
27
|
32
|
35
|
33
|
40
|
54
|
63
|
52
|
46
|
51
|
55
|
50
|
30
|
24
|
42
|
44
|
48
|
58
|
56
|
31
|
27
|
37
|
45
|
39
|
45
|
|
2023/09
|
44
|
41
|
34
|
30
|
46
|
43
|
34
|
29
|
30
|
31
|
27
|
29
|
23
|
25
|
30
|
32
|
31
|
27
|
26
|
25
|
26
|
23
|
34
|
42
|
39
|
42
|
48
|
50
|
53
|
54
|
|
|
2023/08
|
26
|
27
|
32
|
37
|
31
|
24
|
26
|
27
|
29
|
33
|
38
|
41
|
42
|
29
|
32
|
28
|
33
|
36
|
48
|
48
|
31
|
36
|
32
|
29
|
36
|
31
|
28
|
22
|
36
|
47
|
39
|
|
2023/07
|
32
|
29
|
25
|
22
|
19
|
21
|
23
|
25
|
25
|
25
|
27
|
26
|
27
|
28
|
29
|
50
|
50
|
36
|
27
|
27
|
25
|
26
|
28
|
31
|
37
|
35
|
35
|
30
|
36
|
31
|
26
|
|
2023/06
|
39
|
47
|
58
|
50
|
41
|
30
|
35
|
29
|
32
|
45
|
53
|
47
|
30
|
38
|
47
|
44
|
28
|
22
|
23
|
25
|
26
|
26
|
24
|
26
|
25
|
25
|
20
|
22
|
23
|
29
|
|
|
2023/05
|
65
|
54
|
34
|
31
|
40
|
30
|
27
|
46
|
55
|
31
|
29
|
39
|
50
|
59
|
56
|
51
|
40
|
44
|
49
|
46
|
50
|
27
|
46
|
44
|
39
|
36
|
26
|
26
|
37
|
48
|
35
|
|
2023/04
|
58
|
52
|
43
|
39
|
25
|
28
|
50
|
77
|
77
|
55
|
44
|
57
|
66
|
55
|
74
|
70
|
67
|
51
|
34
|
39
|
48
|
32
|
14
|
19
|
23
|
37
|
54
|
55
|
70
|
90
|
|
|
2023/03
|
95
|
97
|
112
|
73
|
65
|
74
|
85
|
87
|
60
|
63
|
70
|
106
|
96
|
84
|
79
|
77
|
37
|
34
|
18
|
30
|
54
|
48
|
27
|
20
|
35
|
60
|
50
|
57
|
57
|
48
|
52
|
|
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