Air Quality
Excellent
No health implications.
20
PM2.5
35
PM10
42
O3
0.7
CO
14
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Mar
43
Excellent
Mon
16 Mar
38
Excellent
Tue
17 Mar
48
Excellent
Wed
18 Mar
44
Excellent
Thu
19 Mar
42
Excellent
Fri
20 Mar
43
Excellent
Sat
21 Mar
45
Excellent
Ziyun Air quality rank
Air quality in the last 12 months (Ziyun)
|
2026/02
|
30
|
31
|
24
|
40
|
52
|
51
|
36
|
32
|
16
|
25
|
31
|
26
|
49
|
51
|
38
|
79
|
67
|
49
|
24
|
42
|
36
|
43
|
39
|
63
|
37
|
40
|
29
|
39
|
|||
|
2026/01
|
37
|
25
|
16
|
22
|
32
|
39
|
57
|
56
|
75
|
78
|
82
|
68
|
85
|
73
|
82
|
81
|
98
|
51
|
43
|
39
|
25
|
31
|
52
|
47
|
35
|
34
|
58
|
37
|
39
|
35
|
25
|
|
2025/12
|
81
|
81
|
72
|
53
|
45
|
48
|
40
|
51
|
44
|
46
|
51
|
53
|
40
|
39
|
45
|
57
|
51
|
52
|
33
|
42
|
52
|
35
|
33
|
30
|
45
|
50
|
73
|
68
|
44
|
45
|
45
|
|
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
|
|
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