Air Quality
Excellent
No health implications.
34
PM2.5
43
PM10
49
O3
0.5
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Mar
104
Light
Sun
8 Mar
76
Good
Mon
9 Mar
59
Good
Tue
10 Mar
83
Good
Wed
11 Mar
81
Good
Thu
12 Mar
100
Good
Fri
13 Mar
20
Excellent
Air quality in the last 12 months (Changyang)
|
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
|
|
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
|
|
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