Air Quality
Excellent
No health implications.
24
PM2.5
35
PM10
34
O3
0.6
CO
11
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
55
Good
Thu
9 May
46
Excellent
Fri
10 May
44
Excellent
Sat
11 May
42
Excellent
Sun
12 May
52
Good
Mon
13 May
49
Excellent
Tue
14 May
49
Excellent
Air quality in the last 12 months (Changshou)
|
2024/02
|
119
|
64
|
39
|
33
|
37
|
52
|
57
|
61
|
95
|
254
|
159
|
113
|
110
|
135
|
61
|
32
|
50
|
69
|
80
|
95
|
35
|
24
|
30
|
43
|
54
|
49
|
64
|
70
|
77
|
||
|
2024/01
|
118
|
86
|
73
|
57
|
104
|
137
|
124
|
79
|
75
|
103
|
130
|
128
|
119
|
165
|
200
|
78
|
59
|
49
|
33
|
36
|
33
|
30
|
34
|
39
|
58
|
69
|
70
|
87
|
100
|
108
|
130
|
|
2023/12
|
36
|
44
|
56
|
50
|
56
|
76
|
77
|
110
|
132
|
157
|
125
|
40
|
34
|
66
|
42
|
49
|
40
|
48
|
60
|
67
|
63
|
73
|
83
|
95
|
117
|
144
|
162
|
217
|
209
|
165
|
105
|
|
2023/11
|
62
|
76
|
75
|
22
|
40
|
59
|
49
|
49
|
64
|
41
|
32
|
23
|
29
|
32
|
40
|
48
|
63
|
77
|
90
|
84
|
108
|
103
|
118
|
121
|
70
|
62
|
60
|
69
|
87
|
54
|
|
|
2023/10
|
18
|
17
|
18
|
14
|
15
|
18
|
19
|
24
|
29
|
38
|
41
|
36
|
41
|
51
|
49
|
55
|
65
|
70
|
35
|
33
|
38
|
50
|
67
|
89
|
83
|
55
|
24
|
31
|
46
|
43
|
52
|
|
2023/09
|
57
|
60
|
60
|
63
|
60
|
54
|
46
|
43
|
49
|
76
|
116
|
19
|
22
|
32
|
43
|
59
|
68
|
75
|
49
|
32
|
18
|
14
|
14
|
12
|
16
|
19
|
32
|
34
|
30
|
37
|
|
|
2023/08
|
32
|
29
|
24
|
30
|
27
|
27
|
35
|
27
|
34
|
37
|
38
|
37
|
31
|
34
|
37
|
43
|
44
|
62
|
60
|
60
|
57
|
53
|
55
|
82
|
55
|
25
|
20
|
23
|
34
|
41
|
53
|
|
2023/07
|
43
|
23
|
33
|
28
|
37
|
50
|
37
|
56
|
40
|
40
|
35
|
37
|
38
|
23
|
46
|
49
|
40
|
41
|
35
|
25
|
19
|
27
|
34
|
30
|
27
|
31
|
30
|
32
|
43
|
44
|
41
|
|
2023/06
|
29
|
25
|
19
|
24
|
19
|
29
|
52
|
56
|
77
|
87
|
59
|
55
|
54
|
60
|
38
|
26
|
28
|
36
|
48
|
45
|
37
|
33
|
25
|
24
|
31
|
37
|
35
|
28
|
27
|
47
|
|
|
2023/05
|
54
|
48
|
52
|
59
|
38
|
33
|
17
|
22
|
33
|
35
|
34
|
46
|
76
|
80
|
86
|
37
|
45
|
66
|
94
|
54
|
44
|
19
|
29
|
32
|
46
|
82
|
67
|
82
|
55
|
49
|
35
|
|
2023/04
|
48
|
50
|
64
|
38
|
23
|
33
|
61
|
71
|
69
|
73
|
78
|
69
|
68
|
77
|
60
|
57
|
63
|
57
|
49
|
53
|
55
|
27
|
13
|
15
|
31
|
39
|
40
|
46
|
57
|
60
|
|
|
2023/03
|
106
|
77
|
95
|
70
|
71
|
87
|
71
|
80
|
64
|
40
|
40
|
49
|
36
|
45
|
64
|
69
|
37
|
22
|
26
|
31
|
37
|
58
|
35
|
24
|
18
|
24
|
31
|
34
|
54
|
44
|
46
|
|
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