Air Quality
Excellent
No health implications.
24
PM2.5
39
PM10
66
O3
0.7
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
61
Good
Tue
13 May
50
Excellent
Wed
14 May
64
Good
Thu
15 May
62
Good
Fri
16 May
59
Good
Sat
17 May
59
Good
Sun
18 May
47
Excellent
Air quality in the last 12 months (Lancang)
|
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
|
|
2024/06
|
38
|
29
|
29
|
32
|
38
|
25
|
21
|
22
|
28
|
31
|
30
|
21
|
18
|
17
|
23
|
27
|
37
|
29
|
31
|
28
|
26
|
23
|
23
|
20
|
19
|
17
|
15
|
16
|
18
|
16
|
|
|
2024/05
|
73
|
58
|
49
|
61
|
67
|
60
|
62
|
57
|
55
|
36
|
32
|
42
|
45
|
46
|
46
|
42
|
39
|
36
|
42
|
50
|
32
|
35
|
30
|
27
|
19
|
18
|
20
|
18
|
32
|
43
|
47
|
|
2024/04
|
79
|
78
|
87
|
82
|
79
|
107
|
104
|
101
|
98
|
84
|
82
|
86
|
80
|
91
|
95
|
91
|
91
|
53
|
69
|
60
|
56
|
62
|
66
|
70
|
57
|
61
|
70
|
68
|
75
|
80
|
|
|
2024/03
|
54
|
56
|
63
|
57
|
49
|
44
|
51
|
73
|
77
|
79
|
74
|
79
|
83
|
83
|
79
|
96
|
104
|
81
|
77
|
75
|
61
|
39
|
41
|
50
|
45
|
59
|
72
|
77
|
76
|
99
|
99
|
|
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