Air Quality
Excellent
No health implications.
18
PM2.5
37
PM10
151
O3
0.4
CO
9
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
95
Good
Mon
5 May
92
Good
Tue
6 May
72
Good
Wed
7 May
90
Good
Thu
8 May
87
Good
Fri
9 May
80
Good
Sat
10 May
48
Excellent
Air quality in the last 12 months (Changle)
|
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
|
|
2024/04
|
83
|
65
|
35
|
44
|
63
|
73
|
70
|
83
|
73
|
85
|
68
|
57
|
44
|
24
|
90
|
108
|
93
|
96
|
86
|
70
|
48
|
70
|
40
|
54
|
73
|
63
|
46
|
38
|
53
|
48
|
|
|
2024/03
|
47
|
81
|
98
|
102
|
70
|
43
|
83
|
61
|
65
|
99
|
120
|
92
|
92
|
100
|
76
|
73
|
98
|
78
|
97
|
36
|
83
|
80
|
78
|
59
|
36
|
67
|
58
|
227
|
148
|
106
|
67
|
|
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