Yunnan - China   2026-09-18   Friday   22.55N, 99.93E

Lancang

Yunnan - China
2026-09-18

Air Quality

Excellent

No health implications.

3

PM2.5

18

PM10

62

O3

0.6

CO

9

SO2

6

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

18 Sep

38 Excellent

Sat

19 Sep

40 Excellent

Sun

20 Sep

40 Excellent

Mon

21 Sep

40 Excellent

Tue

22 Sep

39 Excellent

Wed

23 Sep

39 Excellent

Thu

24 Sep

25 Excellent

Monthly Average AQI (Lancang)

2021/09 - 2026/08

Air quality in the last 12 months (Lancang)

2026/08
17
17
16
14
16
20
20
15
16
22
20
19
19
20
20
20
19
19
19
24
20
21
18
17
18
19
16
15
19
18
23
2026/07
18
17
20
19
19
18
17
18
16
15
20
20
25
22
22
24
24
21
20
19
21
24
19
18
18
16
16
19
17
16
17
2026/06
28
29
26
27
28
29
22
22
20
19
16
19
18
19
20
21
18
20
19
18
22
17
19
22
27
27
22
26
24
22
2026/05
37
27
25
36
33
35
36
37
38
23
22
22
29
33
31
32
41
43
46
47
43
37
28
24
34
44
48
48
36
27
25
2026/04
70
77
78
76
82
81
86
79
50
50
53
60
81
87
108
87
74
80
70
64
72
74
73
73
86
58
49
36
52
41
2026/03
70
74
66
89
102
94
85
90
78
51
50
60
37
41
44
38
49
53
61
59
62
54
47
65
88
76
96
120
72
63
72
2026/02
50
52
52
54
51
44
47
50
53
48
48
49
47
45
54
73
114
65
55
46
44
47
49
59
56
47
46
63
2026/01
51
45
43
42
42
45
42
41
43
46
45
47
49
49
52
52
49
52
59
56
46
47
49
50
50
51
50
51
52
52
49
2025/12
45
46
45
41
39
40
44
37
38
42
42
41
41
40
40
38
40
34
36
40
39
43
41
44
40
41
43
43
42
42
46
2025/11
27
22
20
20
23
24
25
27
23
23
25
30
27
28
31
32
31
27
21
26
25
28
30
32
34
38
43
46
46
46
2025/10
20
21
22
29
25
25
23
18
21
25
23
29
30
27
26
25
23
27
29
33
33
31
29
29
27
26
28
30
34
31
31
2025/09
21
26
26
22
26
24
25
27
28
23
20
20
19
20
19
22
22
24
24
26
26
24
24
23
26
25
22
24
25
21
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