Air Quality
Excellent
No health implications.
26
PM2.5
42
PM10
42
O3
0.5
CO
10
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Apr
59
Good
Mon
6 Apr
58
Good
Tue
7 Apr
45
Excellent
Wed
8 Apr
45
Excellent
Thu
9 Apr
52
Good
Fri
10 Apr
55
Good
Sat
11 Apr
31
Excellent
Air quality in the last 12 months (Changshou)
|
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
|
|
2025/04
|
45
|
58
|
61
|
60
|
75
|
87
|
87
|
65
|
73
|
59
|
41
|
144
|
178
|
125
|
78
|
77
|
71
|
65
|
45
|
36
|
36
|
41
|
47
|
46
|
53
|
50
|
47
|
44
|
32
|
39
|
|
|
2025/03
|
76
|
97
|
50
|
25
|
21
|
23
|
33
|
55
|
61
|
54
|
52
|
88
|
51
|
50
|
36
|
31
|
29
|
37
|
57
|
56
|
74
|
110
|
105
|
65
|
51
|
51
|
76
|
59
|
25
|
27
|
39
|
|
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