Air Quality
Excellent
No health implications.
13
PM2.5
25
PM10
35
O3
0.8
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jan
46
Excellent
Sun
26 Jan
49
Excellent
Mon
27 Jan
59
Good
Tue
28 Jan
101
Light
Wed
29 Jan
177
Moderate
Thu
30 Jan
142
Light
Fri
31 Jan
26
Excellent
Air quality in the last 12 months (Langao)
|
2024/12
|
57
|
62
|
70
|
61
|
49
|
43
|
45
|
58
|
69
|
61
|
49
|
58
|
43
|
42
|
53
|
65
|
76
|
72
|
66
|
92
|
100
|
75
|
61
|
83
|
99
|
118
|
100
|
58
|
72
|
87
|
83
|
|
2024/11
|
45
|
33
|
33
|
37
|
29
|
36
|
50
|
60
|
53
|
38
|
47
|
46
|
40
|
25
|
30
|
19
|
8
|
12
|
14
|
18
|
23
|
30
|
43
|
43
|
18
|
37
|
45
|
49
|
52
|
51
|
|
|
2024/10
|
24
|
28
|
36
|
40
|
46
|
40
|
33
|
35
|
38
|
32
|
38
|
31
|
36
|
35
|
33
|
44
|
42
|
22
|
23
|
14
|
12
|
25
|
29
|
44
|
42
|
43
|
38
|
35
|
43
|
57
|
47
|
|
2024/09
|
38
|
40
|
28
|
32
|
44
|
41
|
49
|
51
|
51
|
28
|
49
|
35
|
31
|
32
|
28
|
20
|
24
|
28
|
37
|
32
|
12
|
21
|
30
|
38
|
46
|
71
|
59
|
93
|
64
|
10
|
|
|
2024/08
|
25
|
27
|
20
|
11
|
17
|
20
|
18
|
22
|
22
|
25
|
60
|
45
|
29
|
26
|
29
|
51
|
39
|
26
|
30
|
29
|
31
|
37
|
40
|
41
|
24
|
32
|
22
|
23
|
28
|
40
|
40
|
|
2024/07
|
17
|
19
|
26
|
22
|
16
|
13
|
25
|
17
|
10
|
35
|
16
|
16
|
24
|
12
|
16
|
24
|
22
|
20
|
18
|
18
|
24
|
22
|
30
|
30
|
53
|
41
|
30
|
29
|
16
|
10
|
15
|
|
2024/06
|
45
|
53
|
38
|
23
|
18
|
21
|
27
|
24
|
27
|
33
|
27
|
27
|
31
|
28
|
29
|
21
|
17
|
22
|
22
|
18
|
12
|
16
|
24
|
32
|
26
|
36
|
35
|
42
|
30
|
33
|
|
|
2024/05
|
17
|
21
|
20
|
12
|
24
|
39
|
45
|
40
|
28
|
28
|
34
|
53
|
53
|
53
|
51
|
44
|
52
|
64
|
25
|
19
|
34
|
40
|
37
|
42
|
44
|
23
|
25
|
38
|
26
|
22
|
37
|
|
2024/04
|
37
|
25
|
38
|
34
|
34
|
28
|
23
|
33
|
36
|
31
|
21
|
33
|
38
|
38
|
50
|
52
|
37
|
34
|
40
|
74
|
71
|
57
|
53
|
59
|
30
|
31
|
39
|
26
|
31
|
21
|
|
|
2024/03
|
57
|
49
|
50
|
63
|
56
|
53
|
54
|
58
|
55
|
58
|
52
|
52
|
55
|
43
|
58
|
58
|
67
|
30
|
43
|
63
|
57
|
56
|
53
|
17
|
20
|
28
|
30
|
46
|
46
|
39
|
41
|
|
2024/02
|
45
|
24
|
24
|
28
|
42
|
51
|
57
|
50
|
64
|
140
|
72
|
56
|
54
|
60
|
38
|
35
|
34
|
46
|
411
|
36
|
16
|
25
|
32
|
34
|
49
|
60
|
57
|
56
|
59
|
||
|
2024/01
|
97
|
88
|
49
|
59
|
69
|
87
|
107
|
95
|
79
|
71
|
84
|
68
|
84
|
105
|
78
|
49
|
47
|
40
|
15
|
25
|
37
|
32
|
25
|
38
|
52
|
51
|
45
|
51
|
56
|
63
|
89
|
|
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