Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
30
O3
0.8
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Nov
55
Good
Wed
27 Nov
58
Good
Thu
28 Nov
60
Good
Fri
29 Nov
60
Good
Sat
30 Nov
61
Good
Sun
1 Dec
61
Good
Mon
2 Dec
85
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