Air Quality
Excellent
No health implications.
16
PM2.5
22
PM10
148
O3
0.4
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Sep
76
Good
Mon
7 Sep
76
Good
Tue
8 Sep
75
Good
Wed
9 Sep
71
Good
Thu
10 Sep
54
Good
Fri
11 Sep
54
Good
Sat
12 Sep
34
Excellent
Air quality in the last 12 months (Changshou)
|
2026/08
|
25
|
29
|
22
|
24
|
26
|
23
|
30
|
24
|
30
|
36
|
44
|
38
|
36
|
32
|
33
|
40
|
49
|
56
|
54
|
41
|
44
|
38
|
42
|
41
|
34
|
32
|
44
|
37
|
22
|
33
|
41
|
|
2026/07
|
35
|
32
|
27
|
31
|
28
|
26
|
32
|
30
|
31
|
27
|
25
|
37
|
33
|
36
|
31
|
33
|
30
|
32
|
35
|
41
|
43
|
43
|
40
|
38
|
30
|
26
|
28
|
30
|
30
|
24
|
25
|
|
2026/06
|
33
|
32
|
46
|
52
|
57
|
48
|
31
|
24
|
36
|
52
|
50
|
36
|
41
|
38
|
49
|
54
|
42
|
23
|
35
|
32
|
35
|
22
|
21
|
19
|
17
|
21
|
30
|
37
|
27
|
34
|
|
|
2026/05
|
37
|
32
|
45
|
46
|
58
|
56
|
32
|
28
|
38
|
64
|
77
|
56
|
41
|
56
|
54
|
45
|
35
|
21
|
27
|
29
|
31
|
25
|
25
|
24
|
30
|
32
|
21
|
18
|
24
|
30
|
31
|
|
2026/04
|
43
|
35
|
39
|
47
|
48
|
42
|
33
|
35
|
41
|
46
|
35
|
34
|
32
|
28
|
25
|
30
|
50
|
43
|
43
|
55
|
39
|
27
|
34
|
45
|
57
|
60
|
36
|
26
|
27
|
35
|
|
|
2026/03
|
36
|
43
|
39
|
42
|
49
|
48
|
41
|
41
|
30
|
37
|
45
|
47
|
48
|
62
|
24
|
31
|
32
|
30
|
29
|
39
|
40
|
43
|
37
|
32
|
31
|
42
|
38
|
41
|
40
|
37
|
29
|
|
2026/02
|
50
|
81
|
88
|
83
|
114
|
117
|
82
|
64
|
54
|
70
|
85
|
90
|
102
|
101
|
108
|
97
|
120
|
109
|
96
|
104
|
81
|
86
|
69
|
39
|
41
|
50
|
42
|
32
|
|||
|
2026/01
|
35
|
36
|
44
|
62
|
72
|
71
|
70
|
96
|
116
|
129
|
160
|
185
|
141
|
172
|
160
|
199
|
180
|
159
|
149
|
33
|
47
|
68
|
60
|
62
|
61
|
86
|
72
|
80
|
77
|
42
|
38
|
|
2025/12
|
134
|
173
|
110
|
62
|
76
|
85
|
90
|
98
|
132
|
123
|
100
|
119
|
41
|
59
|
75
|
86
|
110
|
131
|
150
|
89
|
32
|
40
|
35
|
45
|
50
|
51
|
56
|
68
|
98
|
141
|
59
|
|
2025/11
|
55
|
58
|
64
|
49
|
56
|
39
|
25
|
28
|
25
|
27
|
41
|
48
|
54
|
67
|
40
|
52
|
37
|
24
|
40
|
48
|
64
|
75
|
57
|
65
|
65
|
64
|
74
|
82
|
105
|
130
|
|
|
2025/10
|
26
|
27
|
25
|
19
|
26
|
33
|
35
|
38
|
38
|
29
|
36
|
44
|
16
|
16
|
15
|
16
|
17
|
19
|
13
|
14
|
15
|
20
|
19
|
29
|
37
|
36
|
35
|
41
|
49
|
45
|
49
|
|
2025/09
|
36
|
40
|
49
|
47
|
59
|
25
|
25
|
23
|
23
|
30
|
31
|
28
|
12
|
21
|
24
|
41
|
58
|
25
|
22
|
20
|
14
|
19
|
19
|
19
|
35
|
20
|
30
|
36
|
18
|
25
|
|
|
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