Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
46
O3
0.6
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
51
Good
Mon
15 Dec
45
Excellent
Tue
16 Dec
53
Good
Wed
17 Dec
55
Good
Thu
18 Dec
49
Excellent
Fri
19 Dec
37
Excellent
Sat
20 Dec
22
Excellent
Air quality in the last 12 months (Nan'an)
|
2025/11
|
20
|
35
|
34
|
11
|
11
|
17
|
27
|
27
|
30
|
21
|
13
|
7
|
9
|
25
|
39
|
34
|
30
|
25
|
22
|
29
|
32
|
36
|
38
|
47
|
40
|
70
|
51
|
74
|
64
|
57
|
|
|
2025/10
|
39
|
18
|
28
|
28
|
38
|
38
|
30
|
25
|
26
|
26
|
26
|
32
|
34
|
36
|
23
|
26
|
30
|
24
|
15
|
14
|
7
|
8
|
16
|
17
|
19
|
30
|
37
|
19
|
20
|
24
|
24
|
|
2025/09
|
34
|
34
|
42
|
37
|
29
|
16
|
16
|
13
|
16
|
25
|
23
|
31
|
35
|
28
|
32
|
26
|
17
|
16
|
14
|
12
|
17
|
11
|
16
|
14
|
20
|
13
|
15
|
20
|
36
|
34
|
|
|
2025/08
|
30
|
26
|
17
|
14
|
15
|
22
|
33
|
43
|
25
|
20
|
19
|
23
|
22
|
16
|
14
|
13
|
16
|
21
|
19
|
25
|
25
|
34
|
38
|
32
|
21
|
16
|
16
|
17
|
16
|
16
|
22
|
|
2025/07
|
26
|
23
|
25
|
23
|
14
|
20
|
26
|
44
|
44
|
13
|
12
|
21
|
33
|
22
|
34
|
39
|
37
|
20
|
16
|
17
|
12
|
10
|
12
|
14
|
18
|
24
|
31
|
21
|
21
|
36
|
32
|
|
2025/06
|
40
|
38
|
12
|
18
|
28
|
30
|
38
|
36
|
27
|
30
|
27
|
16
|
19
|
17
|
23
|
27
|
23
|
28
|
17
|
17
|
17
|
24
|
34
|
31
|
23
|
17
|
21
|
21
|
28
|
23
|
|
|
2025/05
|
59
|
48
|
51
|
47
|
37
|
42
|
40
|
48
|
28
|
27
|
25
|
31
|
33
|
42
|
35
|
26
|
22
|
25
|
27
|
31
|
28
|
51
|
42
|
17
|
41
|
34
|
29
|
17
|
9
|
21
|
38
|
|
2025/04
|
15
|
32
|
42
|
53
|
47
|
40
|
52
|
57
|
66
|
47
|
44
|
31
|
111
|
88
|
82
|
71
|
61
|
60
|
49
|
37
|
37
|
45
|
33
|
31
|
14
|
11
|
27
|
47
|
37
|
46
|
|
|
2025/03
|
65
|
33
|
25
|
25
|
11
|
10
|
21
|
32
|
31
|
39
|
50
|
56
|
45
|
31
|
43
|
14
|
42
|
40
|
39
|
41
|
43
|
47
|
58
|
67
|
70
|
53
|
42
|
50
|
14
|
9
|
8
|
|
2025/02
|
44
|
19
|
14
|
41
|
43
|
45
|
18
|
46
|
30
|
28
|
36
|
83
|
41
|
36
|
38
|
59
|
55
|
46
|
25
|
20
|
16
|
17
|
11
|
37
|
50
|
67
|
68
|
69
|
|||
|
2025/01
|
53
|
53
|
44
|
36
|
40
|
50
|
56
|
50
|
52
|
48
|
29
|
42
|
45
|
45
|
69
|
58
|
48
|
40
|
44
|
42
|
53
|
49
|
49
|
27
|
27
|
29
|
21
|
42
|
89
|
31
|
36
|
|
2024/12
|
45
|
46
|
35
|
34
|
33
|
35
|
27
|
40
|
34
|
26
|
34
|
17
|
22
|
40
|
60
|
47
|
42
|
40
|
38
|
24
|
40
|
55
|
30
|
21
|
30
|
48
|
55
|
67
|
43
|
45
|
56
|
|
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