Air Quality
Excellent
No health implications.
23
PM2.5
30
PM10
94
O3
0.3
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
54
Good
Sun
13 Jul
49
Excellent
Mon
14 Jul
64
Good
Tue
15 Jul
72
Good
Wed
16 Jul
72
Good
Thu
17 Jul
58
Good
Fri
18 Jul
19
Excellent
Langao Air quality rank
Air quality in the last 12 months (Langao)
|
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
|
|
|
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
|
|
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