Air Quality
Excellent
No health implications.
22
PM2.5
24
PM10
65
O3
0.6
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Feb
41
Excellent
Thu
19 Feb
46
Excellent
Fri
20 Feb
50
Excellent
Sat
21 Feb
52
Good
Sun
22 Feb
55
Good
Mon
23 Feb
49
Excellent
Tue
24 Feb
15
Excellent
Air quality in the last 12 months (Nan'an)
|
2026/01
|
23
|
23
|
29
|
37
|
47
|
26
|
38
|
41
|
44
|
52
|
55
|
55
|
55
|
50
|
54
|
56
|
55
|
49
|
42
|
24
|
23
|
37
|
28
|
31
|
27
|
43
|
36
|
26
|
34
|
28
|
26
|
|
2025/12
|
45
|
34
|
45
|
36
|
32
|
31
|
35
|
37
|
39
|
34
|
43
|
47
|
34
|
28
|
35
|
46
|
45
|
51
|
50
|
48
|
60
|
25
|
33
|
46
|
22
|
28
|
22
|
27
|
36
|
40
|
36
|
|
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
|
|||
|
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