Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
30
O3
0.6
CO
9
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
28
Excellent
Fri
29 May
42
Excellent
Sat
30 May
52
Good
Sun
31 May
72
Good
Mon
1 Jun
51
Good
Tue
2 Jun
15
Excellent
Wed
3 Jun
43
Excellent
Air quality in the last 12 months (Changshou)
|
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
|
|
|
2025/08
|
23
|
24
|
22
|
24
|
26
|
24
|
22
|
24
|
21
|
26
|
15
|
13
|
15
|
17
|
20
|
14
|
16
|
22
|
19
|
13
|
22
|
33
|
20
|
28
|
31
|
18
|
21
|
28
|
42
|
35
|
39
|
|
2025/07
|
18
|
15
|
13
|
18
|
24
|
32
|
20
|
28
|
23
|
19
|
20
|
34
|
33
|
26
|
28
|
39
|
38
|
34
|
34
|
24
|
22
|
22
|
16
|
15
|
14
|
15
|
23
|
20
|
25
|
18
|
18
|
|
2025/06
|
21
|
23
|
38
|
49
|
47
|
52
|
61
|
39
|
21
|
32
|
39
|
36
|
42
|
42
|
37
|
39
|
33
|
26
|
19
|
28
|
20
|
14
|
22
|
25
|
25
|
26
|
23
|
19
|
18
|
28
|
|
|
2025/05
|
48
|
54
|
62
|
41
|
37
|
59
|
65
|
31
|
40
|
49
|
46
|
49
|
68
|
68
|
68
|
71
|
63
|
79
|
61
|
59
|
62
|
34
|
39
|
57
|
45
|
36
|
27
|
28
|
26
|
27
|
23
|
|
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