Air Quality
Excellent
No health implications.
15
PM2.5
36
PM10
105
O3
0.5
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
56
Good
Mon
2 Jun
81
Good
Tue
3 Jun
76
Good
Wed
4 Jun
91
Good
Thu
5 Jun
99
Good
Fri
6 Jun
78
Good
Sat
7 Jun
33
Excellent
Air quality in the last 12 months (Changwu)
|
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
|
|
|
2024/05
|
42
|
43
|
35
|
34
|
38
|
51
|
55
|
52
|
33
|
61
|
88
|
56
|
57
|
56
|
74
|
56
|
61
|
54
|
46
|
44
|
47
|
50
|
43
|
43
|
43
|
41
|
43
|
58
|
43
|
61
|
63
|
|
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