Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
66
O3
0.4
CO
2
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Oct
35
Excellent
Wed
22 Oct
32
Excellent
Thu
23 Oct
39
Excellent
Fri
24 Oct
43
Excellent
Sat
25 Oct
35
Excellent
Sun
26 Oct
37
Excellent
Mon
27 Oct
19
Excellent
Air quality in the last 12 months (Nan'an)
|
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
|
|
2024/11
|
15
|
14
|
28
|
33
|
36
|
33
|
21
|
23
|
27
|
32
|
23
|
15
|
16
|
21
|
24
|
17
|
18
|
15
|
10
|
10
|
11
|
21
|
25
|
22
|
16
|
17
|
30
|
28
|
29
|
42
|
|
|
2024/10
|
9
|
6
|
10
|
12
|
14
|
16
|
17
|
9
|
24
|
35
|
37
|
30
|
27
|
30
|
28
|
22
|
28
|
35
|
34
|
13
|
20
|
23
|
30
|
23
|
15
|
24
|
25
|
17
|
28
|
30
|
14
|
|
2024/09
|
44
|
37
|
28
|
18
|
17
|
15
|
15
|
18
|
15
|
35
|
47
|
40
|
18
|
20
|
19
|
20
|
16
|
20
|
24
|
17
|
20
|
7
|
8
|
14
|
23
|
19
|
17
|
16
|
17
|
11
|
|
|
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