Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
72
*
PM10
11
O3
0.7
CO
19
SO2
34
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
2 Apr
85
Good
Thu
3 Apr
94
Good
Fri
4 Apr
89
Good
Sat
5 Apr
58
Good
Sun
6 Apr
44
Excellent
Mon
7 Apr
51
Good
Tue
8 Apr
44
Excellent
Air quality in the last 12 months (Yun'an)
|
2025/02
|
35
|
36
|
15
|
23
|
41
|
45
|
24
|
35
|
52
|
48
|
58
|
52
|
40
|
63
|
49
|
95
|
54
|
52
|
60
|
49
|
38
|
41
|
24
|
27
|
70
|
78
|
98
|
61
|
|||
|
2025/01
|
74
|
71
|
65
|
72
|
84
|
86
|
81
|
84
|
80
|
46
|
49
|
61
|
61
|
82
|
61
|
71
|
61
|
66
|
67
|
71
|
68
|
69
|
70
|
56
|
45
|
19
|
35
|
35
|
111
|
62
|
41
|
|
2024/12
|
62
|
74
|
75
|
67
|
77
|
77
|
49
|
22
|
56
|
61
|
62
|
29
|
41
|
50
|
50
|
57
|
62
|
52
|
47
|
64
|
65
|
65
|
71
|
68
|
69
|
60
|
81
|
80
|
81
|
80
|
71
|
|
2024/11
|
49
|
44
|
56
|
49
|
47
|
55
|
47
|
51
|
67
|
49
|
51
|
53
|
50
|
42
|
27
|
35
|
39
|
21
|
18
|
17
|
18
|
26
|
34
|
47
|
35
|
23
|
35
|
46
|
49
|
54
|
|
|
2024/10
|
37
|
24
|
46
|
46
|
46
|
49
|
56
|
55
|
52
|
39
|
46
|
59
|
67
|
57
|
42
|
58
|
42
|
41
|
38
|
26
|
38
|
37
|
20
|
41
|
46
|
35
|
27
|
17
|
20
|
34
|
51
|
|
2024/09
|
29
|
35
|
30
|
37
|
36
|
17
|
16
|
19
|
21
|
26
|
39
|
46
|
40
|
36
|
22
|
32
|
29
|
25
|
36
|
43
|
31
|
14
|
15
|
14
|
22
|
33
|
45
|
51
|
46
|
40
|
|
|
2024/08
|
21
|
29
|
29
|
35
|
34
|
39
|
42
|
36
|
34
|
27
|
34
|
27
|
24
|
26
|
25
|
17
|
22
|
19
|
28
|
26
|
19
|
27
|
32
|
32
|
27
|
35
|
35
|
44
|
38
|
32
|
36
|
|
2024/07
|
27
|
25
|
16
|
21
|
21
|
18
|
18
|
18
|
20
|
16
|
16
|
16
|
15
|
23
|
31
|
23
|
19
|
18
|
27
|
26
|
25
|
22
|
20
|
24
|
26
|
31
|
23
|
19
|
12
|
19
|
17
|
|
2024/06
|
10
|
25
|
29
|
21
|
38
|
18
|
27
|
24
|
15
|
18
|
16
|
23
|
28
|
21
|
21
|
24
|
25
|
25
|
24
|
23
|
18
|
19
|
18
|
13
|
17
|
27
|
31
|
23
|
18
|
21
|
|
|
2024/05
|
16
|
25
|
25
|
32
|
22
|
42
|
27
|
32
|
43
|
59
|
36
|
29
|
39
|
55
|
56
|
56
|
51
|
56
|
44
|
17
|
15
|
29
|
40
|
27
|
24
|
23
|
32
|
22
|
32
|
52
|
25
|
|
2024/04
|
48
|
46
|
31
|
35
|
24
|
33
|
14
|
14
|
31
|
46
|
54
|
52
|
47
|
44
|
43
|
38
|
35
|
30
|
36
|
20
|
17
|
36
|
30
|
38
|
39
|
35
|
49
|
46
|
34
|
30
|
|
|
2024/03
|
36
|
44
|
53
|
49
|
41
|
36
|
45
|
46
|
48
|
16
|
20
|
35
|
60
|
60
|
60
|
64
|
74
|
51
|
22
|
59
|
64
|
52
|
48
|
38
|
41
|
36
|
52
|
41
|
47
|
42
|
44
|
|
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