Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
46
O3
0.4
CO
9
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Sep
37
Excellent
Wed
3 Sep
32
Excellent
Thu
4 Sep
33
Excellent
Fri
5 Sep
35
Excellent
Sat
6 Sep
33
Excellent
Sun
7 Sep
35
Excellent
Mon
8 Sep
50
Excellent
Air quality in the last 12 months (Lancang)
|
2025/06
|
20
|
21
|
29
|
50
|
47
|
48
|
35
|
33
|
31
|
21
|
34
|
42
|
41
|
32
|
21
|
18
|
16
|
16
|
20
|
28
|
28
|
18
|
17
|
20
|
24
|
23
|
21
|
17
|
17
|
24
|
|
|
2025/05
|
29
|
25
|
29
|
29
|
33
|
40
|
48
|
50
|
53
|
56
|
42
|
31
|
35
|
34
|
29
|
32
|
29
|
28
|
33
|
36
|
31
|
33
|
33
|
38
|
19
|
16
|
24
|
22
|
21
|
21
|
20
|
|
2025/04
|
102
|
72
|
66
|
97
|
110
|
100
|
90
|
78
|
82
|
76
|
71
|
65
|
36
|
39
|
36
|
30
|
26
|
32
|
41
|
42
|
41
|
47
|
60
|
64
|
70
|
81
|
82
|
75
|
45
|
32
|
|
|
2025/03
|
50
|
62
|
61
|
68
|
76
|
79
|
71
|
60
|
57
|
55
|
67
|
69
|
79
|
78
|
77
|
82
|
89
|
63
|
33
|
41
|
59
|
68
|
65
|
57
|
58
|
61
|
80
|
114
|
122
|
116
|
125
|
|
2025/02
|
68
|
76
|
68
|
55
|
53
|
63
|
62
|
51
|
41
|
43
|
48
|
50
|
57
|
61
|
71
|
68
|
58
|
57
|
62
|
65
|
61
|
66
|
62
|
48
|
41
|
40
|
46
|
52
|
|||
|
2025/01
|
41
|
38
|
39
|
44
|
51
|
54
|
48
|
45
|
48
|
50
|
54
|
39
|
45
|
46
|
45
|
47
|
49
|
48
|
46
|
42
|
42
|
44
|
47
|
41
|
39
|
48
|
32
|
48
|
73
|
58
|
54
|
|
2024/12
|
30
|
30
|
32
|
31
|
32
|
35
|
38
|
39
|
40
|
39
|
45
|
46
|
39
|
37
|
26
|
27
|
31
|
31
|
34
|
38
|
38
|
44
|
36
|
41
|
42
|
43
|
46
|
46
|
40
|
39
|
40
|
|
2024/11
|
36
|
35
|
38
|
35
|
33
|
28
|
26
|
16
|
19
|
23
|
24
|
27
|
27
|
24
|
26
|
29
|
31
|
31
|
34
|
32
|
27
|
23
|
32
|
34
|
34
|
32
|
29
|
24
|
23
|
24
|
|
|
2024/10
|
18
|
13
|
17
|
19
|
20
|
24
|
29
|
27
|
27
|
25
|
26
|
24
|
29
|
34
|
35
|
32
|
25
|
36
|
39
|
34
|
26
|
26
|
27
|
30
|
28
|
32
|
35
|
39
|
40
|
38
|
37
|
|
2024/09
|
22
|
25
|
24
|
23
|
22
|
21
|
29
|
26
|
20
|
17
|
15
|
17
|
22
|
21
|
26
|
26
|
26
|
22
|
25
|
33
|
35
|
30
|
26
|
27
|
28
|
25
|
21
|
20
|
21
|
21
|
|
|
2024/08
|
14
|
14
|
17
|
20
|
17
|
17
|
16
|
21
|
20
|
19
|
18
|
22
|
27
|
25
|
25
|
24
|
23
|
20
|
18
|
16
|
18
|
14
|
14
|
15
|
16
|
19
|
18
|
18
|
18
|
20
|
18
|
|
2024/07
|
17
|
18
|
18
|
14
|
16
|
18
|
17
|
19
|
16
|
17
|
12
|
15
|
21
|
16
|
17
|
20
|
21
|
20
|
17
|
15
|
13
|
13
|
14
|
17
|
16
|
15
|
17
|
16
|
17
|
15
|
16
|
|
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