Air Quality
Excellent
No health implications.
10
PM2.5
28
PM10
47
O3
0.3
CO
4
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
34
Excellent
Wed
1 May
39
Excellent
Thu
2 May
35
Excellent
Fri
3 May
39
Excellent
Sat
4 May
45
Excellent
Sun
5 May
46
Excellent
Air quality in the last 12 months (Yangdong)
|
2024/02
|
30
|
21
|
23
|
22
|
29
|
46
|
19
|
11
|
20
|
46
|
52
|
56
|
45
|
42
|
34
|
37
|
33
|
23
|
28
|
22
|
30
|
28
|
42
|
32
|
14
|
34
|
28
|
57
|
40
|
||
|
2024/01
|
73
|
56
|
45
|
45
|
56
|
51
|
66
|
53
|
45
|
50
|
48
|
68
|
74
|
48
|
49
|
41
|
39
|
34
|
37
|
40
|
33
|
30
|
19
|
40
|
53
|
54
|
41
|
28
|
77
|
97
|
90
|
|
2023/12
|
48
|
52
|
65
|
65
|
63
|
55
|
44
|
60
|
49
|
35
|
36
|
46
|
48
|
73
|
42
|
27
|
29
|
52
|
17
|
24
|
33
|
51
|
57
|
46
|
51
|
69
|
74
|
98
|
82
|
70
|
65
|
|
2023/11
|
52
|
41
|
39
|
38
|
29
|
45
|
49
|
53
|
41
|
39
|
35
|
34
|
23
|
32
|
46
|
42
|
48
|
61
|
64
|
76
|
73
|
48
|
60
|
78
|
67
|
57
|
79
|
72
|
77
|
68
|
|
|
2023/10
|
38
|
32
|
31
|
36
|
40
|
29
|
31
|
20
|
18
|
22
|
29
|
42
|
43
|
44
|
62
|
65
|
75
|
56
|
38
|
19
|
21
|
30
|
39
|
60
|
50
|
40
|
35
|
38
|
43
|
49
|
56
|
|
2023/09
|
27
|
19
|
20
|
34
|
32
|
32
|
24
|
17
|
18
|
16
|
15
|
22
|
17
|
20
|
29
|
24
|
21
|
19
|
20
|
20
|
20
|
26
|
33
|
26
|
26
|
26
|
31
|
31
|
35
|
30
|
|
|
2023/08
|
18
|
21
|
21
|
17
|
20
|
25
|
21
|
21
|
23
|
27
|
19
|
20
|
21
|
25
|
26
|
26
|
31
|
35
|
24
|
25
|
18
|
18
|
15
|
20
|
26
|
25
|
20
|
20
|
26
|
25
|
26
|
|
2023/07
|
17
|
19
|
20
|
18
|
17
|
15
|
15
|
12
|
12
|
15
|
13
|
13
|
14
|
23
|
35
|
29
|
19
|
28
|
21
|
20
|
17
|
15
|
21
|
16
|
20
|
30
|
41
|
38
|
28
|
23
|
19
|
|
2023/06
|
41
|
27
|
24
|
20
|
23
|
22
|
22
|
18
|
24
|
23
|
33
|
41
|
35
|
26
|
32
|
24
|
19
|
16
|
20
|
19
|
19
|
21
|
26
|
24
|
18
|
20
|
29
|
21
|
19
|
14
|
|
|
2023/05
|
41
|
43
|
29
|
23
|
20
|
23
|
24
|
37
|
67
|
48
|
57
|
31
|
27
|
40
|
66
|
33
|
23
|
35
|
38
|
30
|
28
|
28
|
37
|
41
|
40
|
22
|
22
|
30
|
28
|
40
|
51
|
|
2023/04
|
37
|
42
|
32
|
25
|
23
|
26
|
31
|
61
|
86
|
84
|
41
|
38
|
45
|
61
|
54
|
62
|
66
|
35
|
36
|
70
|
36
|
44
|
23
|
32
|
38
|
27
|
54
|
41
|
30
|
34
|
|
|
2023/03
|
50
|
61
|
68
|
65
|
73
|
55
|
52
|
42
|
47
|
58
|
60
|
44
|
85
|
83
|
48
|
52
|
58
|
41
|
47
|
34
|
23
|
31
|
32
|
25
|
29
|
19
|
26
|
41
|
31
|
41
|
27
|
|
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