Air Quality
Excellent
No health implications.
11
PM2.5
18
PM10
64
O3
0.5
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Dec
54
Good
Tue
23 Dec
46
Excellent
Wed
24 Dec
42
Excellent
Thu
25 Dec
42
Excellent
Fri
26 Dec
41
Excellent
Sat
27 Dec
32
Excellent
Sun
28 Dec
39
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