Air Quality
Excellent
No health implications.
10
PM2.5
20
PM10
57
O3
0.9
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jan
70
Good
Fri
30 Jan
60
Good
Sat
31 Jan
63
Good
Sun
1 Feb
72
Good
Mon
2 Feb
77
Good
Tue
3 Feb
77
Good
Wed
4 Feb
45
Excellent
Air quality in the last 12 months (Langao)
|
2025/12
|
68
|
81
|
69
|
73
|
62
|
63
|
67
|
65
|
73
|
84
|
83
|
131
|
44
|
55
|
60
|
61
|
75
|
75
|
89
|
77
|
32
|
67
|
44
|
53
|
56
|
60
|
69
|
79
|
85
|
92
|
65
|
|
2025/11
|
31
|
38
|
47
|
52
|
54
|
43
|
18
|
21
|
32
|
52
|
51
|
49
|
52
|
50
|
52
|
47
|
18
|
18
|
28
|
37
|
40
|
51
|
46
|
39
|
41
|
54
|
77
|
74
|
66
|
69
|
|
|
2025/10
|
14
|
8
|
10
|
8
|
11
|
15
|
18
|
14
|
23
|
24
|
23
|
16
|
11
|
14
|
13
|
17
|
12
|
13
|
16
|
10
|
8
|
25
|
34
|
54
|
36
|
25
|
32
|
37
|
39
|
31
|
28
|
|
2025/09
|
20
|
24
|
17
|
19
|
18
|
15
|
16
|
16
|
17
|
24
|
16
|
9
|
13
|
17
|
26
|
21
|
17
|
9
|
8
|
12
|
15
|
13
|
9
|
11
|
26
|
15
|
13
|
14
|
9
|
8
|
|
|
2025/08
|
25
|
25
|
29
|
32
|
32
|
22
|
23
|
20
|
13
|
11
|
17
|
23
|
16
|
23
|
19
|
15
|
23
|
24
|
32
|
20
|
16
|
20
|
15
|
19
|
23
|
25
|
26
|
22
|
12
|
13
|
15
|
|
2025/07
|
17
|
19
|
21
|
20
|
13
|
18
|
15
|
17
|
18
|
18
|
28
|
37
|
33
|
33
|
30
|
31
|
31
|
22
|
24
|
25
|
24
|
20
|
13
|
12
|
12
|
17
|
22
|
21
|
19
|
20
|
22
|
|
2025/06
|
17
|
24
|
36
|
40
|
36
|
38
|
20
|
25
|
25
|
37
|
35
|
39
|
36
|
27
|
40
|
51
|
39
|
33
|
14
|
23
|
18
|
20
|
24
|
25
|
21
|
15
|
20
|
25
|
19
|
18
|
|
|
2025/05
|
58
|
61
|
62
|
38
|
39
|
66
|
52
|
63
|
54
|
52
|
49
|
53
|
48
|
39
|
56
|
52
|
65
|
50
|
61
|
60
|
57
|
43
|
38
|
41
|
53
|
46
|
40
|
34
|
38
|
44
|
27
|
|
2025/04
|
46
|
61
|
62
|
50
|
61
|
62
|
53
|
52
|
54
|
44
|
43
|
344
|
212
|
97
|
62
|
69
|
63
|
64
|
69
|
49
|
47
|
81
|
74
|
57
|
58
|
51
|
43
|
41
|
40
|
40
|
|
|
2025/03
|
62
|
56
|
14
|
10
|
17
|
30
|
47
|
50
|
56
|
43
|
36
|
50
|
38
|
36
|
18
|
33
|
40
|
38
|
38
|
40
|
48
|
51
|
53
|
52
|
44
|
41
|
137
|
43
|
40
|
52
|
45
|
|
2025/02
|
44
|
33
|
37
|
39
|
44
|
28
|
46
|
54
|
54
|
51
|
59
|
61
|
57
|
52
|
42
|
40
|
47
|
41
|
67
|
98
|
96
|
59
|
45
|
81
|
78
|
50
|
48
|
54
|
|||
|
2025/01
|
87
|
89
|
106
|
146
|
98
|
81
|
73
|
57
|
54
|
61
|
68
|
56
|
61
|
73
|
53
|
56
|
69
|
74
|
74
|
76
|
88
|
129
|
187
|
72
|
14
|
41
|
57
|
61
|
131
|
89
|
83
|
|
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