Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
33
PM2.5
58
*
PM10
112
O3
0.5
CO
9
SO2
51
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 May
124
Light
Mon
26 May
124
Light
Tue
27 May
128
Light
Wed
28 May
141
Light
Thu
29 May
145
Light
Fri
30 May
137
Light
Sat
31 May
40
Excellent
Air quality in the last 12 months (Changle)
|
2025/04
|
69
|
35
|
41
|
65
|
50
|
58
|
92
|
92
|
55
|
59
|
68
|
120
|
52
|
58
|
52
|
72
|
120
|
64
|
33
|
49
|
49
|
62
|
57
|
70
|
64
|
65
|
58
|
60
|
63
|
75
|
|
|
2025/03
|
58
|
37
|
42
|
54
|
53
|
88
|
57
|
107
|
116
|
102
|
84
|
119
|
53
|
56
|
54
|
42
|
47
|
30
|
50
|
59
|
56
|
67
|
91
|
106
|
106
|
93
|
96
|
54
|
39
|
55
|
69
|
|
2025/02
|
56
|
98
|
48
|
34
|
39
|
61
|
46
|
30
|
48
|
76
|
69
|
107
|
78
|
79
|
93
|
76
|
44
|
47
|
50
|
54
|
52
|
41
|
56
|
49
|
71
|
87
|
131
|
160
|
|||
|
2025/01
|
115
|
72
|
80
|
132
|
167
|
68
|
50
|
42
|
40
|
50
|
78
|
109
|
103
|
107
|
41
|
63
|
62
|
112
|
123
|
68
|
128
|
75
|
89
|
87
|
73
|
74
|
41
|
53
|
145
|
96
|
98
|
|
2024/12
|
94
|
61
|
50
|
87
|
111
|
81
|
45
|
59
|
90
|
137
|
41
|
66
|
81
|
61
|
68
|
86
|
84
|
40
|
57
|
86
|
54
|
56
|
76
|
100
|
147
|
53
|
64
|
68
|
77
|
89
|
64
|
|
2024/11
|
79
|
83
|
83
|
43
|
53
|
59
|
59
|
54
|
62
|
66
|
113
|
149
|
126
|
53
|
89
|
82
|
38
|
34
|
48
|
78
|
89
|
53
|
42
|
63
|
42
|
28
|
35
|
47
|
52
|
64
|
|
|
2024/10
|
23
|
26
|
47
|
60
|
58
|
51
|
41
|
52
|
69
|
110
|
66
|
88
|
71
|
58
|
81
|
56
|
50
|
13
|
37
|
35
|
54
|
52
|
40
|
75
|
89
|
68
|
76
|
59
|
77
|
107
|
124
|
|
2024/09
|
45
|
19
|
30
|
45
|
36
|
20
|
34
|
45
|
35
|
45
|
25
|
27
|
38
|
30
|
19
|
29
|
34
|
31
|
24
|
26
|
19
|
30
|
35
|
45
|
59
|
57
|
36
|
50
|
42
|
30
|
|
|
2024/08
|
25
|
23
|
28
|
26
|
11
|
14
|
35
|
21
|
24
|
34
|
67
|
42
|
41
|
36
|
37
|
28
|
42
|
33
|
24
|
16
|
35
|
50
|
54
|
47
|
53
|
31
|
15
|
30
|
45
|
52
|
62
|
|
2024/07
|
48
|
32
|
42
|
28
|
27
|
15
|
28
|
26
|
55
|
57
|
60
|
72
|
64
|
38
|
26
|
19
|
28
|
49
|
35
|
15
|
31
|
22
|
22
|
36
|
22
|
14
|
13
|
12
|
23
|
27
|
29
|
|
2024/06
|
30
|
57
|
54
|
51
|
41
|
48
|
40
|
57
|
59
|
65
|
61
|
57
|
55
|
46
|
36
|
34
|
40
|
43
|
34
|
25
|
35
|
48
|
80
|
73
|
41
|
50
|
26
|
42
|
33
|
51
|
|
|
2024/05
|
50
|
53
|
51
|
41
|
39
|
59
|
69
|
62
|
59
|
59
|
220
|
78
|
67
|
92
|
50
|
52
|
66
|
73
|
57
|
27
|
42
|
49
|
52
|
53
|
41
|
46
|
44
|
34
|
45
|
40
|
49
|
|
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