Air Quality
Excellent
No health implications.
27
PM2.5
40
PM10
43
O3
0.3
CO
10
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Jan
26
Excellent
Tue
6 Jan
46
Excellent
Wed
7 Jan
52
Good
Thu
8 Jan
62
Good
Fri
9 Jan
68
Good
Sat
10 Jan
68
Good
Sun
11 Jan
27
Excellent
Air quality in the last 12 months (Yunyan)
|
2025/11
|
21
|
20
|
9
|
17
|
22
|
17
|
24
|
14
|
10
|
13
|
18
|
28
|
44
|
49
|
49
|
49
|
42
|
21
|
28
|
37
|
46
|
49
|
69
|
55
|
57
|
65
|
63
|
68
|
52
|
79
|
|
|
2025/10
|
14
|
13
|
18
|
20
|
17
|
18
|
12
|
18
|
20
|
21
|
26
|
28
|
30
|
29
|
13
|
13
|
18
|
15
|
10
|
10
|
11
|
17
|
24
|
34
|
33
|
25
|
23
|
28
|
42
|
21
|
20
|
|
2025/09
|
21
|
18
|
17
|
24
|
25
|
33
|
32
|
30
|
21
|
13
|
17
|
17
|
16
|
18
|
21
|
17
|
16
|
16
|
25
|
37
|
20
|
20
|
19
|
15
|
9
|
10
|
21
|
21
|
18
|
14
|
|
|
2025/08
|
25
|
30
|
28
|
28
|
30
|
24
|
16
|
16
|
21
|
23
|
21
|
26
|
30
|
28
|
16
|
11
|
16
|
20
|
14
|
15
|
15
|
11
|
17
|
17
|
17
|
16
|
17
|
15
|
20
|
20
|
30
|
|
2025/07
|
10
|
8
|
9
|
12
|
17
|
23
|
25
|
23
|
19
|
20
|
17
|
22
|
20
|
25
|
22
|
23
|
24
|
28
|
27
|
26
|
14
|
11
|
11
|
17
|
19
|
23
|
26
|
27
|
28
|
27
|
22
|
|
2025/06
|
24
|
11
|
23
|
24
|
28
|
32
|
39
|
52
|
46
|
29
|
32
|
26
|
26
|
16
|
26
|
31
|
18
|
17
|
12
|
21
|
27
|
12
|
31
|
13
|
14
|
12
|
18
|
13
|
15
|
11
|
|
|
2025/05
|
51
|
55
|
43
|
21
|
37
|
30
|
20
|
27
|
29
|
20
|
42
|
38
|
31
|
34
|
46
|
37
|
33
|
48
|
61
|
23
|
22
|
27
|
36
|
55
|
33
|
20
|
11
|
9
|
15
|
20
|
15
|
|
2025/04
|
33
|
43
|
57
|
68
|
55
|
62
|
68
|
64
|
76
|
58
|
58
|
162
|
249
|
104
|
82
|
67
|
64
|
57
|
27
|
36
|
40
|
26
|
41
|
22
|
44
|
29
|
21
|
30
|
40
|
17
|
|
|
2025/03
|
41
|
48
|
66
|
30
|
16
|
24
|
35
|
41
|
20
|
33
|
44
|
56
|
28
|
24
|
24
|
28
|
38
|
29
|
28
|
53
|
57
|
67
|
56
|
65
|
67
|
68
|
65
|
80
|
16
|
24
|
39
|
|
2025/02
|
23
|
18
|
29
|
35
|
40
|
16
|
23
|
51
|
60
|
42
|
32
|
46
|
44
|
21
|
29
|
41
|
28
|
29
|
18
|
15
|
17
|
12
|
18
|
21
|
30
|
46
|
29
|
37
|
|||
|
2025/01
|
87
|
67
|
77
|
83
|
81
|
79
|
62
|
42
|
21
|
37
|
53
|
64
|
56
|
70
|
63
|
75
|
67
|
64
|
61
|
78
|
85
|
78
|
67
|
56
|
16
|
21
|
44
|
54
|
60
|
45
|
40
|
|
2024/12
|
65
|
86
|
51
|
39
|
22
|
12
|
16
|
43
|
20
|
11
|
26
|
38
|
50
|
65
|
65
|
68
|
67
|
56
|
68
|
90
|
123
|
79
|
67
|
81
|
70
|
46
|
55
|
82
|
65
|
44
|
57
|
|
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