Air Quality
Excellent
No health implications.
26
PM2.5
36
PM10
18
O3
0.8
CO
6
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Oct
39
Excellent
Tue
27 Oct
34
Excellent
Wed
28 Oct
33
Excellent
Thu
29 Oct
40
Excellent
Fri
30 Oct
46
Excellent
Sat
31 Oct
21
Excellent
Sun
1 Nov
33
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