Air Quality
Excellent
No health implications.
6
PM2.5
17
PM10
61
O3
0.3
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jul
101
Light
Wed
9 Jul
97
Good
Thu
10 Jul
112
Light
Fri
11 Jul
118
Light
Sat
12 Jul
127
Light
Sun
13 Jul
140
Light
Mon
14 Jul
30
Excellent
Air quality in the last 12 months (Changle)
|
2025/06
|
47
|
39
|
41
|
29
|
52
|
55
|
62
|
52
|
55
|
23
|
30
|
33
|
25
|
28
|
32
|
30
|
31
|
44
|
20
|
18
|
33
|
46
|
38
|
36
|
54
|
61
|
53
|
45
|
20
|
22
|
|
|
2025/05
|
61
|
54
|
40
|
47
|
45
|
50
|
59
|
53
|
28
|
33
|
50
|
54
|
57
|
65
|
45
|
67
|
65
|
46
|
78
|
73
|
64
|
64
|
40
|
55
|
44
|
57
|
51
|
49
|
48
|
50
|
58
|
|
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
|
|
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