Yunnan - China   2025-09-09   Tuesday   24.67N, 102.16E

Yimen

Yunnan - China
2025-09-09

Air Quality

Excellent

No health implications.

8

PM2.5

20

PM10

53

O3

0.7

CO

4

SO2

9

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

9 Sep

32 Excellent

Wed

10 Sep

35 Excellent

Thu

11 Sep

35 Excellent

Fri

12 Sep

35 Excellent

Sat

13 Sep

36 Excellent

Sun

14 Sep

35 Excellent

Mon

15 Sep

50 Excellent

Yimen Air quality rank

Monthly Average AQI (Yimen)

2020/09 - 2025/08

Air quality in the last 12 months (Yimen)

2025/08
20
25
22
16
18
22
14
13
13
16
16
15
16
25
29
15
14
20
26
19
12
9
10
13
14
14
13
16
16
21
22
2025/07
20
14
13
13
14
15
18
13
15
17
15
18
25
25
28
28
25
19
15
22
22
12
11
13
14
17
21
23
31
31
17
2025/06
11
11
12
16
20
31
28
31
22
31
32
35
41
37
21
22
15
9
10
14
21
12
12
11
14
15
15
17
14
16
2025/05
32
25
17
14
20
26
23
25
37
37
16
30
26
25
21
21
26
20
23
25
27
27
50
24
14
13
13
13
12
11
10
2025/04
44
62
74
76
76
65
69
62
62
61
49
37
57
43
33
20
18
24
27
31
28
26
34
48
51
60
63
62
39
27
2025/03
45
39
41
44
51
57
50
52
49
50
46
64
71
67
59
51
47
22
28
46
62
59
54
36
32
35
38
88
108
88
73
2025/02
49
51
35
40
50
52
42
42
40
34
43
47
55
58
58
66
48
45
48
53
55
52
53
32
30
26
31
43
2025/01
43
34
44
40
36
48
39
38
38
40
25
39
43
41
73
64
48
41
48
45
44
39
35
25
27
32
40
60
72
39
34
2024/12
24
24
29
29
25
30
28
30
21
31
34
30
32
33
28
29
27
32
34
35
32
31
30
36
31
37
43
48
36
32
38
2024/11
34
35
43
45
47
54
29
20
17
27
25
24
22
27
26
31
34
35
33
33
25
20
22
19
28
33
26
21
20
14
2024/10
11
19
22
19
19
26
31
36
23
15
21
25
22
28
25
25
19
29
39
33
19
22
19
26
28
34
47
47
47
41
37
2024/09
22
25
23
23
16
30
32
15
12
14
17
20
28
30
31
21
22
19
28
33
35
19
22
38
38
40
29
19
19
25
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