Air Quality
Excellent
No health implications.
2
PM2.5
6
PM10
59
O3
0.4
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Sep
31
Excellent
Sun
7 Sep
37
Excellent
Mon
8 Sep
35
Excellent
Tue
9 Sep
46
Excellent
Wed
10 Sep
37
Excellent
Thu
11 Sep
31
Excellent
Fri
12 Sep
16
Excellent
Air quality in the last 12 months (Langao)
|
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
|
|
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
|
|
|
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