Air Quality
Excellent
No health implications.
20
PM2.5
29
PM10
110
O3
0.5
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
45
Excellent
Thu
6 Feb
48
Excellent
Fri
7 Feb
46
Excellent
Sat
8 Feb
47
Excellent
Sun
9 Feb
49
Excellent
Mon
10 Feb
49
Excellent
Tue
11 Feb
24
Excellent
Air quality in the last 12 months (Nan'an)
|
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
|
|
2024/02
|
47
|
30
|
26
|
27
|
29
|
24
|
17
|
22
|
50
|
152
|
59
|
49
|
52
|
55
|
59
|
28
|
38
|
66
|
44
|
28
|
24
|
28
|
19
|
31
|
50
|
36
|
32
|
40
|
66
|
||
|
2024/01
|
68
|
61
|
47
|
39
|
55
|
67
|
77
|
62
|
62
|
50
|
76
|
81
|
50
|
41
|
76
|
49
|
40
|
65
|
55
|
41
|
25
|
20
|
19
|
28
|
38
|
57
|
69
|
76
|
44
|
41
|
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