Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
104
*
PM2.5
111
PM10
4
O3
0.7
CO
5
SO2
28
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
4 Feb
115
Light
Thu
5 Feb
135
Light
Fri
6 Feb
156
Moderate
Sat
7 Feb
94
Good
Sun
8 Feb
97
Good
Mon
9 Feb
107
Light
Tue
10 Feb
44
Excellent
Air quality in the last 12 months (Changyang)
|
2025/12
|
75
|
95
|
81
|
79
|
92
|
86
|
93
|
71
|
82
|
147
|
154
|
141
|
36
|
56
|
70
|
81
|
90
|
112
|
110
|
78
|
31
|
66
|
37
|
51
|
58
|
66
|
75
|
109
|
111
|
108
|
72
|
|
2025/11
|
42
|
36
|
50
|
89
|
82
|
73
|
24
|
17
|
23
|
42
|
46
|
44
|
47
|
60
|
70
|
77
|
37
|
22
|
24
|
32
|
39
|
49
|
58
|
43
|
47
|
55
|
57
|
66
|
63
|
84
|
|
|
2025/10
|
37
|
21
|
20
|
26
|
32
|
54
|
48
|
61
|
101
|
70
|
51
|
42
|
15
|
12
|
27
|
23
|
21
|
13
|
20
|
14
|
14
|
27
|
31
|
39
|
49
|
52
|
57
|
54
|
67
|
83
|
68
|
|
2025/09
|
17
|
27
|
34
|
21
|
37
|
16
|
37
|
38
|
17
|
25
|
23
|
20
|
15
|
23
|
35
|
27
|
23
|
12
|
17
|
17
|
22
|
27
|
21
|
21
|
21
|
15
|
31
|
33
|
18
|
26
|
|
|
2025/08
|
30
|
31
|
39
|
46
|
37
|
33
|
24
|
17
|
12
|
11
|
11
|
8
|
10
|
19
|
16
|
13
|
19
|
29
|
27
|
17
|
16
|
18
|
22
|
18
|
15
|
18
|
18
|
31
|
28
|
21
|
12
|
|
2025/07
|
20
|
17
|
18
|
19
|
25
|
29
|
23
|
27
|
26
|
19
|
32
|
31
|
24
|
30
|
28
|
27
|
25
|
20
|
24
|
27
|
21
|
18
|
9
|
16
|
19
|
25
|
21
|
15
|
16
|
19
|
25
|
|
2025/06
|
10
|
19
|
31
|
32
|
34
|
40
|
34
|
19
|
21
|
29
|
28
|
25
|
32
|
36
|
31
|
39
|
34
|
20
|
12
|
10
|
15
|
20
|
23
|
28
|
17
|
13
|
28
|
28
|
22
|
20
|
|
|
2025/05
|
58
|
66
|
58
|
36
|
38
|
150
|
139
|
36
|
28
|
49
|
44
|
49
|
61
|
48
|
43
|
35
|
53
|
84
|
59
|
49
|
51
|
27
|
41
|
59
|
65
|
61
|
59
|
35
|
43
|
33
|
20
|
|
2025/04
|
55
|
61
|
63
|
52
|
61
|
68
|
64
|
58
|
56
|
42
|
40
|
238
|
163
|
142
|
82
|
76
|
72
|
68
|
58
|
60
|
52
|
66
|
74
|
66
|
65
|
68
|
51
|
52
|
47
|
31
|
|
|
2025/03
|
119
|
95
|
20
|
34
|
43
|
39
|
67
|
83
|
63
|
54
|
81
|
65
|
55
|
48
|
31
|
42
|
50
|
42
|
41
|
43
|
49
|
57
|
48
|
55
|
46
|
54
|
111
|
52
|
67
|
61
|
61
|
|
2025/02
|
46
|
45
|
56
|
50
|
52
|
56
|
87
|
70
|
62
|
66
|
93
|
102
|
86
|
78
|
63
|
58
|
69
|
52
|
70
|
96
|
95
|
76
|
59
|
83
|
98
|
88
|
72
|
67
|
|||
|
2025/01
|
145
|
133
|
154
|
203
|
62
|
84
|
79
|
89
|
88
|
85
|
110
|
85
|
127
|
134
|
72
|
80
|
98
|
122
|
115
|
112
|
153
|
191
|
219
|
145
|
27
|
35
|
51
|
74
|
177
|
123
|
111
|
|
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