Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
46
PM2.5
80
*
PM10
57
O3
0.5
CO
7
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Apr
84
Good
Sun
20 Apr
86
Good
Mon
21 Apr
56
Good
Tue
22 Apr
66
Good
Wed
23 Apr
74
Good
Thu
24 Apr
41
Excellent
Fri
25 Apr
37
Excellent
Air quality in the last 12 months (Changyang)
|
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
|
|
2024/12
|
68
|
87
|
91
|
68
|
31
|
49
|
48
|
60
|
80
|
62
|
50
|
74
|
81
|
52
|
69
|
74
|
94
|
100
|
73
|
93
|
95
|
60
|
60
|
82
|
122
|
107
|
133
|
102
|
110
|
160
|
140
|
|
2024/11
|
59
|
66
|
72
|
67
|
64
|
71
|
67
|
82
|
84
|
64
|
72
|
89
|
66
|
58
|
61
|
43
|
13
|
16
|
23
|
33
|
29
|
39
|
58
|
68
|
35
|
38
|
45
|
41
|
49
|
56
|
|
|
2024/10
|
23
|
41
|
47
|
42
|
54
|
46
|
26
|
42
|
51
|
56
|
69
|
61
|
53
|
56
|
62
|
54
|
41
|
21
|
25
|
36
|
27
|
40
|
37
|
44
|
47
|
43
|
48
|
53
|
80
|
87
|
57
|
|
2024/09
|
36
|
41
|
36
|
54
|
50
|
33
|
36
|
39
|
39
|
36
|
33
|
23
|
26
|
47
|
31
|
30
|
24
|
22
|
22
|
24
|
26
|
30
|
38
|
46
|
57
|
60
|
74
|
90
|
83
|
38
|
|
|
2024/08
|
20
|
27
|
20
|
18
|
21
|
16
|
20
|
22
|
32
|
34
|
70
|
52
|
34
|
33
|
36
|
33
|
22
|
25
|
16
|
32
|
31
|
26
|
31
|
30
|
32
|
32
|
18
|
18
|
25
|
33
|
42
|
|
2024/07
|
27
|
25
|
33
|
16
|
22
|
19
|
17
|
19
|
21
|
19
|
29
|
28
|
16
|
18
|
25
|
25
|
21
|
19
|
15
|
17
|
16
|
17
|
22
|
28
|
27
|
20
|
16
|
15
|
12
|
18
|
14
|
|
2024/06
|
42
|
40
|
40
|
26
|
20
|
41
|
45
|
42
|
35
|
39
|
42
|
25
|
28
|
37
|
43
|
43
|
28
|
29
|
30
|
40
|
39
|
15
|
26
|
30
|
36
|
37
|
37
|
17
|
26
|
34
|
|
|
2024/05
|
23
|
36
|
31
|
26
|
40
|
38
|
56
|
58
|
61
|
79
|
61
|
64
|
64
|
62
|
66
|
60
|
57
|
62
|
54
|
24
|
39
|
43
|
50
|
56
|
53
|
31
|
37
|
41
|
33
|
22
|
41
|
|
2024/04
|
48
|
27
|
48
|
55
|
48
|
38
|
46
|
47
|
45
|
44
|
37
|
36
|
47
|
45
|
49
|
45
|
33
|
50
|
45
|
58
|
61
|
57
|
47
|
76
|
45
|
56
|
59
|
47
|
44
|
18
|
|
|
2024/03
|
90
|
81
|
71
|
76
|
82
|
92
|
86
|
103
|
90
|
89
|
81
|
69
|
82
|
82
|
116
|
109
|
96
|
48
|
66
|
91
|
76
|
71
|
70
|
40
|
26
|
37
|
59
|
58
|
46
|
47
|
45
|
|
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