Air Quality
Excellent
No health implications.
21
PM2.5
30
PM10
8
O3
0.8
CO
5
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Dec
74
Good
Sun
14 Dec
81
Good
Mon
15 Dec
83
Good
Tue
16 Dec
86
Good
Wed
17 Dec
91
Good
Thu
18 Dec
17
Excellent
Fri
19 Dec
16
Excellent
Air quality in the last 12 months (Langao)
|
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
|
|
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
|
|
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