Air Quality
Excellent
No health implications.
7
PM2.5
22
PM10
39
O3
0.5
CO
16
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jun
43
Excellent
Fri
19 Jun
55
Good
Sat
20 Jun
70
Good
Sun
21 Jun
41
Excellent
Mon
22 Jun
39
Excellent
Tue
23 Jun
35
Excellent
Wed
24 Jun
30
Excellent
Air quality in the last 12 months (Changshou)
|
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
|
|
|
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
|
|
|
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