Air Quality
Excellent
No health implications.
14
PM2.5
38
PM10
11
O3
0.4
CO
7
SO2
37
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
86
Good
Sun
15 Jun
89
Good
Mon
16 Jun
91
Good
Tue
17 Jun
90
Good
Wed
18 Jun
86
Good
Thu
19 Jun
44
Excellent
Fri
20 Jun
29
Excellent
Air quality in the last 12 months (Changyang)
|
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
|
|
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
|
|
|
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