Air Quality
Excellent
No health implications.
23
PM2.5
50
PM10
78
O3
0.7
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
48
Excellent
Thu
18 Apr
43
Excellent
Fri
19 Apr
42
Excellent
Sat
20 Apr
57
Good
Sun
21 Apr
59
Good
Mon
22 Apr
54
Good
Air quality in the last 12 months (Langao)
|
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
|
|
2023/12
|
44
|
45
|
48
|
61
|
52
|
65
|
65
|
60
|
80
|
86
|
20
|
20
|
16
|
13
|
30
|
42
|
41
|
39
|
49
|
51
|
94
|
79
|
87
|
85
|
79
|
84
|
101
|
148
|
168
|
122
|
96
|
|
2023/11
|
33
|
42
|
33
|
24
|
16
|
24
|
32
|
31
|
43
|
54
|
25
|
28
|
27
|
23
|
27
|
56
|
59
|
51
|
48
|
55
|
48
|
59
|
62
|
58
|
46
|
37
|
38
|
47
|
60
|
46
|
|
|
2023/10
|
20
|
22
|
14
|
15
|
21
|
22
|
16
|
19
|
21
|
24
|
24
|
36
|
38
|
34
|
25
|
27
|
39
|
37
|
18
|
15
|
17
|
19
|
33
|
40
|
41
|
33
|
34
|
19
|
25
|
30
|
33
|
|
2023/09
|
30
|
37
|
32
|
32
|
33
|
35
|
34
|
36
|
38
|
28
|
22
|
16
|
21
|
23
|
30
|
31
|
37
|
23
|
11
|
21
|
24
|
18
|
20
|
15
|
11
|
10
|
11
|
13
|
15
|
13
|
|
|
2023/08
|
24
|
35
|
22
|
19
|
21
|
20
|
20
|
19
|
28
|
31
|
33
|
21
|
23
|
28
|
29
|
30
|
30
|
47
|
55
|
23
|
21
|
30
|
25
|
24
|
30
|
19
|
19
|
21
|
22
|
30
|
30
|
|
2023/07
|
23
|
19
|
19
|
22
|
29
|
28
|
23
|
27
|
30
|
29
|
29
|
24
|
18
|
18
|
33
|
30
|
31
|
35
|
28
|
27
|
28
|
30
|
35
|
29
|
25
|
24
|
19
|
16
|
19
|
20
|
21
|
|
2023/06
|
28
|
25
|
20
|
19
|
16
|
22
|
26
|
26
|
33
|
42
|
45
|
32
|
34
|
31
|
28
|
22
|
16
|
19
|
23
|
38
|
39
|
33
|
30
|
30
|
33
|
35
|
54
|
32
|
19
|
27
|
|
|
2023/05
|
47
|
50
|
42
|
23
|
28
|
19
|
23
|
23
|
33
|
28
|
27
|
36
|
44
|
50
|
47
|
45
|
39
|
49
|
53
|
51
|
27
|
17
|
16
|
23
|
45
|
40
|
15
|
15
|
19
|
23
|
25
|
|
2023/04
|
44
|
64
|
24
|
15
|
18
|
54
|
73
|
71
|
63
|
57
|
87
|
117
|
94
|
47
|
50
|
55
|
57
|
49
|
43
|
67
|
50
|
19
|
20
|
13
|
22
|
37
|
38
|
50
|
70
|
59
|
|
|
2023/03
|
77
|
60
|
50
|
49
|
51
|
49
|
47
|
45
|
39
|
43
|
65
|
64
|
65
|
47
|
58
|
44
|
21
|
23
|
26
|
32
|
33
|
45
|
52
|
54
|
46
|
36
|
35
|
45
|
39
|
35
|
44
|
|
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