Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
11
O3
0.3
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
42
Excellent
Thu
13 Aug
38
Excellent
Fri
14 Aug
80
Good
Sat
15 Aug
62
Good
Sun
16 Aug
75
Good
Mon
17 Aug
31
Excellent
Tue
18 Aug
32
Excellent
Air quality in the last 12 months (Changyang)
|
2026/07
|
38
|
28
|
23
|
30
|
24
|
21
|
21
|
27
|
26
|
22
|
25
|
30
|
35
|
32
|
40
|
27
|
23
|
17
|
28
|
39
|
46
|
36
|
35
|
29
|
25
|
35
|
21
|
14
|
19
|
25
|
24
|
|
2026/06
|
41
|
31
|
38
|
48
|
67
|
53
|
38
|
20
|
25
|
33
|
35
|
26
|
25
|
36
|
46
|
47
|
53
|
46
|
22
|
31
|
26
|
19
|
19
|
21
|
27
|
35
|
41
|
46
|
49
|
29
|
|
|
2026/05
|
45
|
40
|
32
|
33
|
36
|
42
|
26
|
33
|
31
|
40
|
49
|
95
|
40
|
31
|
41
|
40
|
22
|
13
|
17
|
24
|
33
|
47
|
46
|
37
|
22
|
22
|
23
|
25
|
38
|
35
|
38
|
|
2026/04
|
40
|
33
|
26
|
52
|
53
|
37
|
42
|
53
|
38
|
31
|
28
|
37
|
34
|
34
|
48
|
49
|
49
|
43
|
47
|
97
|
41
|
21
|
26
|
49
|
56
|
60
|
50
|
22
|
31
|
35
|
|
|
2026/03
|
20
|
22
|
33
|
63
|
65
|
91
|
75
|
42
|
49
|
61
|
63
|
82
|
74
|
75
|
22
|
14
|
23
|
25
|
62
|
66
|
47
|
59
|
49
|
44
|
39
|
26
|
31
|
41
|
60
|
27
|
36
|
|
2026/02
|
103
|
93
|
114
|
134
|
136
|
124
|
115
|
97
|
91
|
82
|
91
|
91
|
105
|
94
|
93
|
28
|
86
|
64
|
70
|
59
|
61
|
76
|
80
|
60
|
54
|
35
|
26
|
44
|
|||
|
2026/01
|
40
|
62
|
105
|
99
|
83
|
78
|
69
|
69
|
77
|
64
|
75
|
87
|
86
|
110
|
125
|
119
|
144
|
159
|
53
|
47
|
61
|
81
|
93
|
105
|
87
|
95
|
119
|
140
|
80
|
47
|
77
|
|
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
|
|
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