Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
58
*
PM2.5
101
PM10
49
O3
1.3
CO
2
SO2
46
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Feb
91
Good
Fri
20 Feb
81
Good
Sat
21 Feb
72
Good
Sun
22 Feb
78
Good
Mon
23 Feb
65
Good
Tue
24 Feb
59
Good
Wed
25 Feb
32
Excellent
Air quality in the last 12 months (Changshou)
|
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
|
|
2025/02
|
102
|
54
|
44
|
47
|
52
|
45
|
44
|
44
|
56
|
69
|
89
|
79
|
47
|
52
|
45
|
54
|
53
|
51
|
51
|
45
|
49
|
50
|
45
|
52
|
65
|
76
|
69
|
81
|
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1
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
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26
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27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution