Yunnan - China   2025-09-13   Saturday   24.18N, 97.79E

Longchuan

Yunnan - China
2025-09-13

Air Quality

Excellent

No health implications.

11

PM2.5

19

PM10

14

O3

0.6

CO

6

SO2

10

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

13 Sep

34 Excellent

Sun

14 Sep

39 Excellent

Mon

15 Sep

37 Excellent

Tue

16 Sep

36 Excellent

Wed

17 Sep

39 Excellent

Thu

18 Sep

17 Excellent

Fri

19 Sep

28 Excellent

Longchuan Air quality rank

Monthly Average AQI (Longchuan)

2020/09 - 2025/08

Air quality in the last 12 months (Longchuan)

2025/08
19
23
22
22
21
23
17
18
18
23
28
30
28
25
26
24
28
21
24
20
18
18
21
16
20
28
28
28
16
25
26
2025/07
15
18
22
16
13
16
15
17
18
21
18
20
25
16
14
14
16
16
15
22
15
22
26
23
13
16
13
21
20
16
19
2025/06
17
15
36
48
48
39
32
27
31
18
30
38
38
30
19
18
12
14
18
25
21
19
16
18
20
19
18
13
15
22
2025/05
38
19
24
27
32
38
45
42
51
56
64
48
36
43
35
37
37
33
38
34
36
35
38
36
15
19
34
20
15
16
16
2025/04
124
103
84
115
110
100
85
106
99
87
75
51
34
36
44
42
27
33
42
42
43
48
57
73
77
91
90
78
46
44
2025/03
58
68
64
56
69
71
81
85
75
61
73
87
99
73
70
63
69
83
71
75
87
83
72
61
51
51
76
122
137
124
118
2025/02
81
81
69
67
73
78
69
58
60
59
49
56
56
70
68
76
60
59
67
72
70
72
62
62
57
52
49
57
2025/01
56
50
48
51
55
53
52
50
45
48
52
53
53
51
53
50
53
50
50
47
50
53
58
49
52
71
54
54
121
74
63
2024/12
40
38
38
35
36
39
48
49
49
42
54
58
44
44
37
35
39
39
40
38
47
69
40
39
46
51
54
56
48
47
48
2024/11
41
47
40
36
31
24
25
24
26
29
28
26
27
25
28
31
36
34
34
35
31
32
37
40
37
34
38
37
42
34
2024/10
19
15
26
19
18
21
21
23
26
26
27
28
33
38
44
34
26
34
41
40
28
31
32
32
27
29
37
36
28
30
37
2024/09
19
27
21
28
22
24
33
30
29
29
19
23
25
21
30
29
34
32
34
42
40
32
31
31
36
27
22
21
25
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