Air Quality
Excellent
No health implications.
20
PM2.5
32
PM10
46
O3
0.4
CO
4
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
38
Excellent
Fri
24 Oct
39
Excellent
Sat
25 Oct
42
Excellent
Sun
26 Oct
50
Excellent
Mon
27 Oct
47
Excellent
Tue
28 Oct
47
Excellent
Wed
29 Oct
27
Excellent
Yunhe Air quality rank
Air quality in the last 12 months (Yunhe)
|
2025/08
|
30
|
29
|
25
|
20
|
17
|
21
|
18
|
23
|
26
|
32
|
30
|
23
|
13
|
11
|
11
|
13
|
14
|
16
|
17
|
21
|
18
|
16
|
23
|
19
|
17
|
17
|
14
|
12
|
13
|
15
|
26
|
|
2025/07
|
11
|
15
|
24
|
24
|
17
|
12
|
12
|
19
|
13
|
17
|
19
|
19
|
21
|
23
|
29
|
32
|
29
|
23
|
13
|
13
|
10
|
15
|
20
|
21
|
25
|
13
|
18
|
20
|
22
|
25
|
21
|
|
2025/06
|
30
|
30
|
16
|
29
|
26
|
31
|
32
|
36
|
22
|
19
|
17
|
16
|
11
|
21
|
16
|
18
|
26
|
19
|
26
|
20
|
20
|
21
|
20
|
20
|
25
|
24
|
26
|
21
|
26
|
17
|
|
|
2025/05
|
41
|
46
|
50
|
49
|
34
|
44
|
73
|
44
|
36
|
39
|
37
|
37
|
33
|
32
|
42
|
39
|
34
|
23
|
25
|
25
|
28
|
29
|
27
|
31
|
56
|
57
|
47
|
27
|
14
|
31
|
39
|
|
2025/04
|
27
|
35
|
49
|
52
|
48
|
55
|
55
|
54
|
58
|
37
|
42
|
57
|
108
|
78
|
59
|
50
|
59
|
57
|
51
|
34
|
48
|
26
|
31
|
27
|
17
|
34
|
34
|
35
|
52
|
43
|
|
|
2025/03
|
44
|
42
|
47
|
19
|
27
|
20
|
40
|
47
|
58
|
54
|
58
|
61
|
18
|
21
|
12
|
28
|
35
|
34
|
49
|
42
|
37
|
39
|
46
|
57
|
65
|
80
|
78
|
42
|
33
|
26
|
28
|
|
2025/02
|
21
|
12
|
41
|
50
|
33
|
42
|
45
|
46
|
31
|
42
|
34
|
39
|
99
|
86
|
56
|
42
|
56
|
47
|
36
|
18
|
13
|
27
|
27
|
68
|
92
|
70
|
52
|
31
|
|||
|
2025/01
|
87
|
68
|
68
|
64
|
54
|
72
|
72
|
88
|
72
|
36
|
45
|
49
|
51
|
50
|
85
|
49
|
53
|
51
|
43
|
50
|
74
|
72
|
56
|
43
|
39
|
28
|
27
|
36
|
79
|
44
|
37
|
|
2024/12
|
42
|
46
|
57
|
64
|
53
|
22
|
51
|
59
|
41
|
42
|
21
|
46
|
33
|
78
|
73
|
54
|
50
|
63
|
43
|
38
|
58
|
68
|
65
|
67
|
61
|
88
|
133
|
81
|
62
|
58
|
67
|
|
2024/11
|
12
|
16
|
30
|
51
|
57
|
39
|
26
|
32
|
39
|
38
|
28
|
38
|
39
|
36
|
24
|
14
|
20
|
19
|
21
|
24
|
37
|
39
|
60
|
32
|
26
|
20
|
33
|
34
|
38
|
39
|
|
|
2024/10
|
21
|
23
|
22
|
25
|
35
|
18
|
16
|
16
|
32
|
44
|
55
|
49
|
38
|
38
|
45
|
17
|
31
|
32
|
24
|
18
|
33
|
40
|
29
|
37
|
32
|
24
|
20
|
16
|
50
|
47
|
39
|
|
2024/09
|
27
|
33
|
37
|
29
|
25
|
20
|
24
|
16
|
21
|
35
|
31
|
31
|
16
|
26
|
30
|
24
|
15
|
23
|
22
|
25
|
20
|
20
|
16
|
16
|
20
|
36
|
20
|
31
|
41
|
29
|
|
|
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