Air Quality
Excellent
No health implications.
12
PM2.5
34
PM10
105
O3
0.5
CO
9
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Nov
67
Good
Fri
8 Nov
71
Good
Sat
9 Nov
66
Good
Sun
10 Nov
65
Good
Mon
11 Nov
51
Good
Tue
12 Nov
53
Good
Wed
13 Nov
55
Good
Air quality in the last 12 months (Chaonan)
|
2024/10
|
28
|
25
|
34
|
28
|
30
|
38
|
35
|
32
|
32
|
44
|
46
|
43
|
35
|
40
|
33
|
26
|
32
|
45
|
49
|
18
|
30
|
42
|
31
|
38
|
46
|
47
|
51
|
26
|
32
|
48
|
38
|
|
2024/09
|
30
|
44
|
39
|
30
|
20
|
13
|
18
|
16
|
24
|
41
|
52
|
46
|
34
|
35
|
32
|
25
|
34
|
25
|
33
|
20
|
14
|
22
|
14
|
19
|
32
|
31
|
37
|
20
|
33
|
37
|
|
|
2024/08
|
28
|
30
|
33
|
37
|
47
|
43
|
48
|
40
|
35
|
25
|
35
|
24
|
25
|
26
|
31
|
26
|
15
|
20
|
12
|
11
|
14
|
31
|
37
|
32
|
45
|
40
|
36
|
38
|
49
|
26
|
18
|
|
2024/07
|
23
|
20
|
15
|
20
|
16
|
13
|
12
|
19
|
24
|
24
|
14
|
14
|
16
|
16
|
16
|
16
|
22
|
22
|
16
|
21
|
18
|
20
|
32
|
33
|
36
|
10
|
13
|
18
|
22
|
19
|
15
|
|
2024/06
|
14
|
13
|
18
|
29
|
29
|
44
|
15
|
21
|
23
|
15
|
14
|
22
|
21
|
26
|
24
|
17
|
18
|
18
|
18
|
16
|
26
|
27
|
15
|
11
|
14
|
16
|
17
|
16
|
13
|
17
|
|
|
2024/05
|
47
|
24
|
32
|
40
|
26
|
41
|
44
|
55
|
44
|
38
|
53
|
52
|
29
|
32
|
57
|
65
|
54
|
63
|
49
|
30
|
23
|
14
|
14
|
16
|
26
|
26
|
22
|
25
|
25
|
35
|
31
|
|
2024/04
|
44
|
48
|
22
|
42
|
47
|
33
|
35
|
55
|
19
|
47
|
50
|
56
|
66
|
39
|
39
|
36
|
24
|
29
|
48
|
47
|
29
|
38
|
25
|
38
|
35
|
22
|
29
|
19
|
33
|
20
|
|
|
2024/03
|
20
|
26
|
43
|
51
|
103
|
102
|
32
|
58
|
63
|
51
|
50
|
34
|
75
|
74
|
74
|
94
|
123
|
53
|
64
|
60
|
62
|
69
|
88
|
41
|
40
|
50
|
48
|
60
|
77
|
74
|
27
|
|
2024/02
|
71
|
47
|
41
|
38
|
38
|
28
|
24
|
13
|
28
|
81
|
117
|
93
|
102
|
78
|
78
|
51
|
36
|
53
|
43
|
39
|
25
|
35
|
29
|
52
|
52
|
50
|
43
|
40
|
55
|
||
|
2024/01
|
75
|
65
|
55
|
43
|
67
|
84
|
64
|
65
|
62
|
52
|
69
|
85
|
73
|
50
|
64
|
43
|
42
|
61
|
59
|
46
|
34
|
27
|
20
|
44
|
54
|
66
|
67
|
60
|
74
|
61
|
82
|
|
2023/12
|
54
|
52
|
47
|
49
|
43
|
38
|
43
|
76
|
80
|
82
|
70
|
66
|
39
|
52
|
72
|
34
|
35
|
40
|
44
|
29
|
32
|
54
|
54
|
51
|
50
|
76
|
111
|
62
|
48
|
67
|
74
|
|
2023/11
|
44
|
39
|
47
|
55
|
56
|
54
|
50
|
47
|
58
|
58
|
28
|
36
|
32
|
37
|
40
|
39
|
55
|
65
|
73
|
66
|
49
|
52
|
71
|
73
|
52
|
52
|
70
|
65
|
69
|
75
|
|
|
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