Air Quality
Excellent
No health implications.
14
PM2.5
30
PM10
98
O3
0.4
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Nov
56
Good
Wed
26 Nov
58
Good
Thu
27 Nov
50
Excellent
Fri
28 Nov
52
Good
Sat
29 Nov
56
Good
Sun
30 Nov
50
Excellent
Mon
1 Dec
18
Excellent
Chaonan Air quality rank
Air quality in the last 12 months (Chaonan)
|
2025/10
|
39
|
25
|
32
|
29
|
21
|
23
|
46
|
33
|
32
|
25
|
28
|
27
|
13
|
29
|
28
|
31
|
37
|
35
|
34
|
23
|
22
|
18
|
29
|
40
|
38
|
52
|
50
|
45
|
28
|
46
|
46
|
|
2025/09
|
26
|
27
|
30
|
25
|
26
|
32
|
11
|
15
|
15
|
20
|
23
|
29
|
21
|
19
|
19
|
28
|
23
|
25
|
11
|
14
|
17
|
33
|
23
|
27
|
25
|
31
|
25
|
28
|
39
|
36
|
|
|
2025/08
|
24
|
17
|
16
|
11
|
10
|
28
|
39
|
40
|
24
|
12
|
10
|
22
|
34
|
9
|
24
|
27
|
19
|
13
|
16
|
36
|
28
|
46
|
35
|
17
|
29
|
23
|
20
|
25
|
24
|
18
|
23
|
|
2025/07
|
17
|
24
|
26
|
29
|
10
|
22
|
38
|
30
|
24
|
17
|
12
|
35
|
37
|
34
|
30
|
29
|
34
|
25
|
20
|
21
|
22
|
15
|
25
|
31
|
31
|
32
|
35
|
22
|
22
|
33
|
20
|
|
2025/06
|
45
|
17
|
22
|
22
|
35
|
29
|
39
|
21
|
26
|
23
|
17
|
20
|
13
|
28
|
26
|
17
|
14
|
26
|
13
|
12
|
11
|
15
|
19
|
17
|
13
|
11
|
17
|
14
|
11
|
13
|
|
|
2025/05
|
49
|
66
|
53
|
45
|
36
|
28
|
36
|
58
|
48
|
34
|
30
|
44
|
42
|
41
|
26
|
20
|
19
|
18
|
23
|
17
|
18
|
22
|
19
|
26
|
27
|
41
|
32
|
27
|
21
|
21
|
37
|
|
2025/04
|
25
|
47
|
62
|
63
|
39
|
61
|
65
|
73
|
53
|
39
|
53
|
39
|
154
|
122
|
128
|
97
|
73
|
63
|
35
|
41
|
29
|
31
|
35
|
32
|
18
|
22
|
46
|
47
|
38
|
59
|
|
|
2025/03
|
74
|
44
|
39
|
32
|
20
|
22
|
30
|
37
|
44
|
50
|
59
|
66
|
56
|
30
|
33
|
13
|
52
|
55
|
53
|
59
|
66
|
65
|
66
|
72
|
62
|
44
|
34
|
46
|
46
|
12
|
14
|
|
2025/02
|
78
|
29
|
18
|
30
|
57
|
49
|
34
|
45
|
53
|
49
|
59
|
78
|
66
|
53
|
58
|
73
|
55
|
69
|
38
|
43
|
31
|
32
|
34
|
35
|
57
|
59
|
63
|
83
|
|||
|
2025/01
|
59
|
63
|
63
|
54
|
71
|
74
|
60
|
63
|
59
|
62
|
49
|
47
|
59
|
58
|
63
|
92
|
61
|
53
|
93
|
58
|
62
|
63
|
69
|
36
|
35
|
37
|
31
|
54
|
70
|
60
|
72
|
|
2024/12
|
71
|
76
|
70
|
42
|
48
|
49
|
53
|
43
|
44
|
36
|
50
|
38
|
37
|
59
|
55
|
56
|
62
|
52
|
56
|
50
|
54
|
60
|
61
|
42
|
58
|
52
|
59
|
86
|
67
|
74
|
87
|
|
2024/11
|
28
|
20
|
33
|
45
|
44
|
45
|
35
|
39
|
33
|
33
|
43
|
37
|
24
|
29
|
46
|
36
|
29
|
25
|
18
|
12
|
16
|
38
|
41
|
35
|
39
|
20
|
36
|
38
|
37
|
63
|
|
|
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