Air Quality
Excellent
No health implications.
21
PM2.5
41
PM10
80
O3
0.3
CO
3
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
68
Good
Sat
25 Apr
69
Good
Sun
26 Apr
89
Good
Mon
27 Apr
87
Good
Tue
28 Apr
81
Good
Wed
29 Apr
43
Excellent
Thu
30 Apr
38
Excellent
Air quality in the last 12 months (Changwu)
|
2026/03
|
23
|
30
|
52
|
64
|
66
|
56
|
45
|
58
|
46
|
66
|
68
|
92
|
375
|
61
|
63
|
61
|
54
|
102
|
97
|
91
|
88
|
97
|
88
|
76
|
77
|
64
|
61
|
45
|
48
|
41
|
50
|
|
2026/02
|
98
|
70
|
74
|
79
|
79
|
84
|
60
|
54
|
73
|
135
|
112
|
86
|
65
|
77
|
63
|
50
|
111
|
64
|
62
|
47
|
203
|
271
|
152
|
68
|
73
|
83
|
63
|
39
|
|||
|
2026/01
|
67
|
87
|
105
|
65
|
44
|
36
|
45
|
48
|
49
|
57
|
62
|
64
|
73
|
133
|
85
|
68
|
82
|
92
|
52
|
41
|
57
|
70
|
93
|
100
|
240
|
142
|
145
|
143
|
127
|
90
|
105
|
|
2025/12
|
77
|
60
|
53
|
63
|
82
|
79
|
46
|
62
|
83
|
93
|
85
|
78
|
88
|
73
|
89
|
75
|
67
|
77
|
73
|
48
|
59
|
79
|
93
|
78
|
55
|
67
|
75
|
79
|
68
|
106
|
75
|
|
2025/11
|
61
|
61
|
86
|
78
|
101
|
84
|
51
|
61
|
83
|
70
|
69
|
60
|
60
|
67
|
63
|
61
|
31
|
26
|
48
|
57
|
68
|
59
|
56
|
89
|
62
|
166
|
111
|
63
|
63
|
65
|
|
|
2025/10
|
34
|
26
|
33
|
19
|
28
|
17
|
10
|
16
|
12
|
10
|
16
|
20
|
32
|
36
|
26
|
25
|
27
|
43
|
41
|
26
|
30
|
37
|
58
|
56
|
64
|
48
|
59
|
59
|
65
|
52
|
55
|
|
2025/09
|
34
|
41
|
62
|
17
|
46
|
36
|
50
|
51
|
40
|
36
|
21
|
20
|
32
|
41
|
42
|
42
|
23
|
10
|
20
|
23
|
16
|
15
|
21
|
30
|
38
|
44
|
34
|
35
|
43
|
50
|
|
|
2025/08
|
36
|
34
|
37
|
31
|
27
|
39
|
29
|
28
|
21
|
26
|
37
|
37
|
35
|
43
|
31
|
23
|
21
|
24
|
22
|
48
|
46
|
44
|
16
|
23
|
35
|
42
|
18
|
16
|
17
|
24
|
31
|
|
2025/07
|
29
|
21
|
12
|
15
|
19
|
23
|
20
|
22
|
25
|
32
|
32
|
38
|
38
|
31
|
37
|
38
|
34
|
37
|
41
|
23
|
24
|
38
|
25
|
20
|
18
|
18
|
23
|
31
|
34
|
31
|
34
|
|
2025/06
|
32
|
42
|
41
|
44
|
34
|
48
|
40
|
36
|
49
|
44
|
53
|
46
|
47
|
54
|
54
|
63
|
52
|
35
|
30
|
32
|
35
|
38
|
28
|
37
|
26
|
27
|
26
|
32
|
31
|
20
|
|
|
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
|
|
|
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