Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
61
O3
0.3
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Aug
41
Excellent
Sun
24 Aug
49
Excellent
Mon
25 Aug
46
Excellent
Tue
26 Aug
49
Excellent
Wed
27 Aug
53
Good
Thu
28 Aug
53
Good
Fri
29 Aug
25
Excellent
Air quality in the last 12 months (Yunyang)
|
2025/06
|
12
|
18
|
29
|
35
|
35
|
36
|
32
|
17
|
22
|
34
|
34
|
37
|
41
|
33
|
32
|
43
|
32
|
23
|
14
|
21
|
17
|
20
|
21
|
23
|
20
|
17
|
21
|
19
|
14
|
20
|
|
|
2025/05
|
50
|
70
|
59
|
40
|
35
|
41
|
41
|
26
|
39
|
57
|
56
|
49
|
49
|
49
|
55
|
48
|
74
|
52
|
57
|
56
|
47
|
28
|
42
|
55
|
45
|
41
|
38
|
29
|
33
|
31
|
24
|
|
2025/04
|
48
|
58
|
61
|
56
|
57
|
69
|
63
|
56
|
57
|
37
|
37
|
149
|
220
|
136
|
84
|
65
|
68
|
61
|
49
|
31
|
29
|
52
|
53
|
40
|
47
|
51
|
45
|
47
|
42
|
35
|
|
|
2025/03
|
67
|
85
|
35
|
16
|
21
|
29
|
38
|
50
|
59
|
51
|
56
|
62
|
48
|
45
|
27
|
28
|
36
|
40
|
54
|
52
|
61
|
86
|
82
|
66
|
53
|
47
|
79
|
50
|
33
|
39
|
48
|
|
2025/02
|
49
|
34
|
43
|
45
|
46
|
40
|
39
|
49
|
54
|
57
|
76
|
63
|
54
|
48
|
51
|
50
|
48
|
47
|
54
|
54
|
52
|
42
|
36
|
56
|
59
|
63
|
57
|
70
|
|||
|
2025/01
|
134
|
140
|
156
|
154
|
52
|
63
|
68
|
64
|
57
|
64
|
74
|
76
|
80
|
102
|
61
|
65
|
78
|
95
|
103
|
117
|
134
|
182
|
161
|
80
|
22
|
32
|
56
|
65
|
119
|
79
|
91
|
|
2024/12
|
81
|
94
|
101
|
62
|
25
|
35
|
40
|
38
|
51
|
57
|
50
|
48
|
56
|
66
|
76
|
85
|
102
|
101
|
75
|
110
|
152
|
88
|
66
|
85
|
109
|
118
|
115
|
84
|
98
|
132
|
137
|
|
2024/11
|
65
|
67
|
65
|
53
|
33
|
44
|
51
|
65
|
38
|
36
|
55
|
57
|
40
|
46
|
46
|
43
|
14
|
14
|
17
|
21
|
32
|
38
|
38
|
37
|
22
|
32
|
40
|
47
|
61
|
74
|
|
|
2024/10
|
20
|
35
|
45
|
48
|
54
|
38
|
33
|
36
|
49
|
62
|
53
|
44
|
41
|
47
|
48
|
53
|
27
|
23
|
28
|
15
|
17
|
26
|
34
|
46
|
48
|
55
|
59
|
56
|
49
|
59
|
64
|
|
2024/09
|
35
|
35
|
32
|
31
|
35
|
34
|
32
|
29
|
27
|
35
|
38
|
30
|
29
|
34
|
23
|
26
|
22
|
23
|
25
|
23
|
20
|
26
|
34
|
38
|
53
|
66
|
54
|
57
|
54
|
29
|
|
|
2024/08
|
23
|
23
|
17
|
17
|
15
|
19
|
23
|
25
|
32
|
31
|
53
|
52
|
30
|
31
|
32
|
38
|
40
|
35
|
31
|
32
|
33
|
40
|
39
|
30
|
28
|
30
|
29
|
17
|
19
|
21
|
24
|
|
2024/07
|
32
|
28
|
22
|
14
|
17
|
16
|
21
|
19
|
23
|
23
|
13
|
14
|
14
|
11
|
18
|
18
|
24
|
23
|
23
|
20
|
19
|
20
|
21
|
22
|
28
|
24
|
26
|
32
|
20
|
14
|
24
|
|
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