Air Quality
Excellent
No health implications.
13
PM2.5
16
PM10
112
O3
0.5
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jun
100
Good
Tue
24 Jun
96
Good
Wed
25 Jun
92
Good
Thu
26 Jun
97
Good
Fri
27 Jun
99
Good
Sat
28 Jun
43
Excellent
Sun
29 Jun
18
Excellent
Air quality in the last 12 months (Changwu)
|
2025/05
|
113
|
107
|
74
|
75
|
234
|
323
|
121
|
86
|
114
|
53
|
45
|
52
|
51
|
79
|
65
|
80
|
284
|
101
|
60
|
57
|
60
|
78
|
47
|
50
|
34
|
34
|
42
|
47
|
47
|
59
|
39
|
|
2025/04
|
69
|
72
|
86
|
126
|
90
|
88
|
72
|
106
|
112
|
72
|
174
|
292
|
118
|
63
|
52
|
163
|
86
|
114
|
100
|
68
|
98
|
125
|
73
|
59
|
81
|
50
|
45
|
31
|
58
|
146
|
|
|
2025/03
|
117
|
51
|
43
|
49
|
60
|
57
|
80
|
74
|
63
|
70
|
304
|
268
|
89
|
44
|
79
|
46
|
47
|
40
|
43
|
57
|
65
|
67
|
105
|
169
|
82
|
352
|
182
|
108
|
66
|
71
|
64
|
|
2025/02
|
152
|
70
|
36
|
43
|
42
|
62
|
80
|
47
|
62
|
72
|
80
|
83
|
72
|
61
|
51
|
80
|
81
|
78
|
78
|
91
|
100
|
80
|
41
|
58
|
78
|
64
|
69
|
79
|
|||
|
2025/01
|
66
|
65
|
75
|
85
|
63
|
54
|
51
|
49
|
56
|
56
|
92
|
79
|
126
|
58
|
44
|
65
|
79
|
71
|
86
|
78
|
101
|
130
|
213
|
199
|
59
|
85
|
69
|
87
|
159
|
148
|
125
|
|
2024/12
|
53
|
56
|
69
|
59
|
49
|
54
|
43
|
45
|
74
|
70
|
105
|
78
|
53
|
53
|
59
|
87
|
67
|
55
|
85
|
73
|
53
|
60
|
77
|
83
|
75
|
79
|
52
|
49
|
61
|
50
|
59
|
|
2024/11
|
61
|
47
|
58
|
51
|
67
|
92
|
113
|
122
|
111
|
90
|
102
|
102
|
72
|
49
|
63
|
52
|
37
|
26
|
45
|
48
|
65
|
69
|
111
|
67
|
40
|
54
|
66
|
64
|
44
|
48
|
|
|
2024/10
|
43
|
43
|
53
|
53
|
73
|
74
|
55
|
96
|
65
|
53
|
58
|
72
|
71
|
62
|
62
|
69
|
67
|
42
|
27
|
29
|
26
|
27
|
51
|
65
|
69
|
55
|
42
|
47
|
67
|
70
|
57
|
|
2024/09
|
52
|
38
|
39
|
39
|
22
|
42
|
29
|
35
|
36
|
45
|
49
|
41
|
29
|
32
|
50
|
40
|
47
|
44
|
33
|
36
|
25
|
41
|
57
|
70
|
57
|
65
|
76
|
70
|
33
|
39
|
|
|
2024/08
|
32
|
39
|
21
|
29
|
32
|
37
|
20
|
31
|
62
|
209
|
49
|
33
|
37
|
39
|
24
|
33
|
39
|
28
|
33
|
38
|
33
|
38
|
44
|
51
|
45
|
29
|
24
|
36
|
38
|
38
|
40
|
|
2024/07
|
26
|
35
|
25
|
24
|
52
|
38
|
26
|
26
|
30
|
37
|
26
|
30
|
41
|
41
|
36
|
18
|
16
|
23
|
24
|
19
|
90
|
24
|
16
|
74
|
76
|
54
|
52
|
43
|
26
|
29
|
38
|
|
2024/06
|
62
|
34
|
40
|
41
|
46
|
48
|
37
|
38
|
34
|
38
|
41
|
50
|
47
|
50
|
54
|
35
|
29
|
35
|
37
|
43
|
30
|
39
|
53
|
77
|
76
|
62
|
32
|
45
|
46
|
34
|
|
|
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