Air Quality
Excellent
No health implications.
26
PM2.5
38
PM10
84
O3
0.5
CO
10
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jan
81
Good
Mon
19 Jan
64
Good
Tue
20 Jan
67
Good
Wed
21 Jan
30
Excellent
Thu
22 Jan
38
Excellent
Fri
23 Jan
45
Excellent
Sat
24 Jan
34
Excellent
Ziyun Air quality rank
Air quality in the last 12 months (Ziyun)
|
2025/11
|
23
|
23
|
12
|
17
|
14
|
16
|
28
|
17
|
11
|
18
|
22
|
27
|
32
|
40
|
42
|
31
|
42
|
20
|
25
|
32
|
41
|
47
|
62
|
51
|
45
|
57
|
59
|
47
|
35
|
62
|
|
|
2025/10
|
12
|
15
|
21
|
22
|
29
|
25
|
12
|
13
|
16
|
19
|
28
|
32
|
43
|
30
|
10
|
11
|
18
|
20
|
22
|
24
|
19
|
28
|
40
|
62
|
36
|
32
|
26
|
42
|
37
|
25
|
32
|
|
2025/09
|
14
|
18
|
19
|
20
|
25
|
28
|
32
|
28
|
23
|
19
|
17
|
16
|
15
|
15
|
16
|
15
|
16
|
16
|
20
|
27
|
25
|
25
|
18
|
16
|
13
|
14
|
15
|
15
|
16
|
11
|
|
|
2025/08
|
25
|
26
|
23
|
25
|
30
|
22
|
15
|
17
|
16
|
20
|
21
|
22
|
28
|
30
|
16
|
12
|
16
|
19
|
11
|
12
|
13
|
12
|
16
|
18
|
15
|
14
|
14
|
14
|
16
|
27
|
29
|
|
2025/07
|
12
|
12
|
12
|
11
|
16
|
19
|
23
|
22
|
20
|
22
|
24
|
24
|
23
|
18
|
19
|
20
|
19
|
21
|
23
|
23
|
13
|
13
|
11
|
12
|
13
|
16
|
23
|
29
|
28
|
30
|
23
|
|
2025/06
|
32
|
14
|
22
|
29
|
23
|
30
|
37
|
36
|
36
|
28
|
33
|
37
|
25
|
20
|
22
|
24
|
26
|
16
|
16
|
22
|
28
|
18
|
30
|
15
|
17
|
14
|
20
|
12
|
13
|
12
|
|
|
2025/05
|
47
|
53
|
40
|
30
|
36
|
33
|
22
|
40
|
31
|
18
|
31
|
29
|
30
|
35
|
47
|
60
|
32
|
43
|
60
|
23
|
28
|
31
|
33
|
55
|
34
|
18
|
14
|
15
|
23
|
16
|
20
|
|
2025/04
|
31
|
42
|
56
|
66
|
57
|
65
|
59
|
47
|
65
|
56
|
55
|
107
|
191
|
102
|
72
|
60
|
63
|
50
|
38
|
39
|
34
|
29
|
47
|
30
|
37
|
37
|
28
|
27
|
32
|
23
|
|
|
2025/03
|
41
|
30
|
60
|
52
|
36
|
36
|
38
|
38
|
34
|
29
|
38
|
45
|
44
|
30
|
24
|
26
|
34
|
21
|
30
|
40
|
52
|
68
|
66
|
69
|
62
|
53
|
56
|
79
|
23
|
21
|
37
|
|
2025/02
|
36
|
18
|
27
|
39
|
49
|
21
|
25
|
40
|
50
|
33
|
41
|
46
|
32
|
23
|
31
|
45
|
39
|
40
|
15
|
19
|
14
|
15
|
22
|
16
|
24
|
34
|
28
|
39
|
|||
|
2025/01
|
61
|
79
|
71
|
83
|
57
|
61
|
67
|
40
|
29
|
38
|
58
|
63
|
48
|
82
|
70
|
79
|
72
|
77
|
74
|
89
|
77
|
89
|
69
|
56
|
29
|
25
|
47
|
48
|
61
|
48
|
45
|
|
2024/12
|
55
|
64
|
58
|
59
|
29
|
18
|
32
|
35
|
19
|
19
|
24
|
31
|
37
|
58
|
53
|
65
|
55
|
53
|
56
|
70
|
82
|
81
|
62
|
65
|
59
|
43
|
42
|
60
|
58
|
46
|
51
|
|
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