Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
36
O3
0.5
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jun
58
Good
Wed
17 Jun
54
Good
Thu
18 Jun
54
Good
Fri
19 Jun
59
Good
Sat
20 Jun
54
Good
Sun
21 Jun
57
Good
Mon
22 Jun
45
Excellent
Air quality in the last 12 months (Yun'an)
|
2026/05
|
42
|
36
|
24
|
29
|
44
|
49
|
37
|
18
|
24
|
37
|
40
|
45
|
31
|
28
|
35
|
22
|
24
|
17
|
17
|
16
|
20
|
20
|
24
|
27
|
27
|
31
|
31
|
29
|
36
|
37
|
33
|
|
2026/04
|
26
|
41
|
42
|
36
|
59
|
52
|
46
|
38
|
42
|
35
|
42
|
40
|
33
|
32
|
25
|
28
|
28
|
35
|
45
|
35
|
30
|
30
|
18
|
22
|
38
|
62
|
37
|
30
|
24
|
25
|
|
|
2026/03
|
15
|
21
|
12
|
15
|
26
|
26
|
43
|
54
|
50
|
17
|
34
|
40
|
59
|
47
|
48
|
42
|
35
|
33
|
48
|
31
|
42
|
36
|
39
|
43
|
47
|
35
|
31
|
35
|
34
|
31
|
38
|
|
2026/02
|
32
|
41
|
50
|
58
|
50
|
36
|
33
|
26
|
44
|
54
|
57
|
38
|
40
|
47
|
28
|
30
|
39
|
37
|
51
|
50
|
50
|
35
|
41
|
46
|
52
|
40
|
41
|
15
|
|||
|
2026/01
|
70
|
22
|
36
|
58
|
56
|
41
|
46
|
48
|
52
|
59
|
53
|
62
|
63
|
70
|
73
|
70
|
98
|
91
|
69
|
60
|
29
|
32
|
32
|
54
|
80
|
86
|
61
|
59
|
64
|
55
|
38
|
|
2025/12
|
54
|
30
|
59
|
73
|
68
|
74
|
81
|
64
|
63
|
70
|
60
|
58
|
37
|
36
|
49
|
62
|
49
|
50
|
73
|
81
|
54
|
82
|
89
|
60
|
19
|
34
|
49
|
53
|
65
|
50
|
64
|
|
2025/11
|
32
|
34
|
28
|
11
|
22
|
34
|
38
|
42
|
27
|
17
|
19
|
23
|
33
|
36
|
47
|
50
|
49
|
32
|
26
|
38
|
38
|
47
|
58
|
57
|
43
|
56
|
54
|
60
|
62
|
69
|
|
|
2025/10
|
43
|
31
|
27
|
38
|
15
|
17
|
27
|
43
|
40
|
44
|
49
|
39
|
30
|
32
|
35
|
55
|
59
|
52
|
27
|
17
|
15
|
12
|
20
|
37
|
44
|
52
|
39
|
44
|
52
|
53
|
33
|
|
2025/09
|
25
|
29
|
27
|
28
|
29
|
32
|
41
|
11
|
17
|
27
|
27
|
25
|
28
|
28
|
27
|
37
|
39
|
38
|
39
|
32
|
17
|
19
|
24
|
11
|
16
|
25
|
37
|
36
|
40
|
32
|
|
|
2025/08
|
27
|
24
|
24
|
37
|
26
|
18
|
30
|
32
|
30
|
29
|
28
|
29
|
34
|
33
|
14
|
29
|
28
|
13
|
18
|
23
|
23
|
32
|
37
|
34
|
24
|
36
|
39
|
38
|
36
|
29
|
24
|
|
2025/07
|
18
|
25
|
32
|
34
|
44
|
43
|
43
|
26
|
26
|
29
|
22
|
31
|
27
|
38
|
32
|
29
|
37
|
45
|
34
|
19
|
12
|
14
|
16
|
21
|
28
|
29
|
32
|
36
|
33
|
28
|
24
|
|
2025/06
|
30
|
35
|
18
|
29
|
37
|
26
|
21
|
18
|
30
|
39
|
29
|
16
|
16
|
14
|
13
|
22
|
18
|
15
|
14
|
17
|
16
|
18
|
14
|
18
|
20
|
24
|
17
|
20
|
23
|
18
|
|
|
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