Air Quality
Excellent
No health implications.
8
PM2.5
27
PM10
63
O3
0.3
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
67
Good
Tue
29 Apr
79
Good
Wed
30 Apr
108
Light
Thu
1 May
119
Light
Fri
2 May
85
Good
Sat
3 May
76
Good
Sun
4 May
45
Excellent
Air quality in the last 12 months (Changwu)
|
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
|
|
2024/04
|
63
|
85
|
83
|
76
|
77
|
72
|
65
|
62
|
61
|
37
|
48
|
54
|
47
|
71
|
96
|
75
|
66
|
61
|
169
|
139
|
109
|
82
|
326
|
117
|
65
|
50
|
67
|
52
|
59
|
39
|
|
|
2024/03
|
51
|
54
|
67
|
94
|
88
|
63
|
96
|
69
|
71
|
74
|
74
|
64
|
64
|
76
|
73
|
297
|
123
|
118
|
123
|
91
|
73
|
108
|
104
|
31
|
47
|
61
|
97
|
71
|
59
|
60
|
70
|
|
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