Air Quality
Excellent
No health implications.
9
PM2.5
22
PM10
84
O3
0.6
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
63
Good
Tue
29 Apr
74
Good
Wed
30 Apr
66
Good
Thu
1 May
63
Good
Fri
2 May
67
Good
Sat
3 May
69
Good
Sun
4 May
41
Excellent
Air quality in the last 12 months (Nan'an)
|
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
|
|
|
2024/08
|
30
|
40
|
48
|
41
|
36
|
33
|
35
|
42
|
37
|
39
|
47
|
44
|
36
|
33
|
26
|
16
|
13
|
16
|
18
|
11
|
21
|
26
|
30
|
37
|
39
|
39
|
51
|
41
|
31
|
41
|
39
|
|
2024/07
|
23
|
22
|
20
|
25
|
28
|
20
|
18
|
20
|
20
|
24
|
25
|
27
|
26
|
30
|
30
|
32
|
22
|
25
|
27
|
27
|
28
|
33
|
26
|
15
|
11
|
10
|
13
|
25
|
24
|
25
|
14
|
|
2024/06
|
12
|
6
|
16
|
27
|
24
|
23
|
23
|
30
|
28
|
18
|
18
|
29
|
28
|
26
|
24
|
22
|
17
|
17
|
18
|
20
|
27
|
29
|
23
|
20
|
21
|
23
|
26
|
20
|
20
|
21
|
|
|
2024/05
|
30
|
18
|
30
|
34
|
34
|
46
|
50
|
41
|
43
|
31
|
50
|
45
|
22
|
29
|
39
|
43
|
43
|
49
|
31
|
16
|
7
|
10
|
22
|
46
|
45
|
27
|
16
|
22
|
24
|
29
|
29
|
|
2024/04
|
36
|
52
|
43
|
45
|
29
|
35
|
17
|
43
|
26
|
44
|
43
|
56
|
60
|
56
|
61
|
57
|
46
|
44
|
52
|
51
|
33
|
33
|
35
|
31
|
51
|
35
|
32
|
23
|
41
|
28
|
|
|
2024/03
|
13
|
26
|
40
|
47
|
58
|
37
|
34
|
58
|
57
|
62
|
43
|
46
|
67
|
59
|
49
|
67
|
76
|
46
|
48
|
53
|
56
|
75
|
68
|
43
|
36
|
45
|
37
|
55
|
54
|
55
|
42
|
|
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