Air Quality
Excellent
No health implications.
20
PM2.5
37
PM10
102
O3
0.4
CO
5
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
57
Good
Fri
20 Dec
58
Good
Sat
21 Dec
52
Good
Sun
22 Dec
51
Good
Mon
23 Dec
48
Excellent
Tue
24 Dec
52
Good
Wed
25 Dec
18
Excellent
Air quality in the last 12 months (Nanjing)
|
2024/11
|
13
|
15
|
28
|
38
|
39
|
36
|
27
|
25
|
35
|
40
|
38
|
28
|
22
|
30
|
34
|
23
|
24
|
20
|
14
|
9
|
12
|
21
|
25
|
30
|
20
|
14
|
24
|
26
|
33
|
42
|
|
|
2024/10
|
13
|
10
|
17
|
19
|
17
|
24
|
24
|
18
|
21
|
26
|
38
|
41
|
31
|
36
|
35
|
27
|
31
|
36
|
38
|
21
|
24
|
26
|
24
|
27
|
35
|
26
|
34
|
15
|
22
|
35
|
19
|
|
2024/09
|
26
|
32
|
39
|
31
|
25
|
13
|
13
|
20
|
17
|
34
|
41
|
43
|
28
|
28
|
20
|
20
|
19
|
17
|
28
|
19
|
18
|
12
|
9
|
13
|
15
|
19
|
20
|
20
|
21
|
15
|
|
|
2024/08
|
21
|
24
|
28
|
36
|
32
|
33
|
26
|
28
|
28
|
39
|
32
|
27
|
20
|
22
|
19
|
19
|
20
|
20
|
17
|
14
|
14
|
22
|
25
|
23
|
33
|
36
|
31
|
28
|
30
|
29
|
28
|
|
2024/07
|
16
|
15
|
16
|
17
|
15
|
15
|
13
|
13
|
13
|
19
|
19
|
20
|
19
|
21
|
17
|
16
|
18
|
15
|
17
|
19
|
20
|
23
|
33
|
28
|
16
|
9
|
11
|
13
|
20
|
20
|
12
|
|
2024/06
|
12
|
8
|
26
|
23
|
22
|
23
|
22
|
24
|
22
|
21
|
17
|
23
|
26
|
20
|
20
|
17
|
16
|
17
|
17
|
16
|
18
|
29
|
20
|
15
|
14
|
19
|
17
|
16
|
13
|
18
|
|
|
2024/05
|
23
|
20
|
28
|
33
|
19
|
32
|
47
|
45
|
44
|
42
|
38
|
31
|
23
|
28
|
37
|
58
|
54
|
52
|
44
|
18
|
11
|
10
|
18
|
15
|
21
|
15
|
15
|
23
|
30
|
41
|
29
|
|
2024/04
|
30
|
46
|
37
|
42
|
24
|
26
|
16
|
26
|
20
|
37
|
42
|
49
|
57
|
41
|
49
|
44
|
39
|
29
|
32
|
38
|
20
|
28
|
31
|
22
|
26
|
17
|
23
|
15
|
22
|
26
|
|
|
2024/03
|
10
|
24
|
38
|
43
|
51
|
36
|
30
|
53
|
59
|
51
|
31
|
25
|
62
|
66
|
49
|
59
|
48
|
43
|
43
|
53
|
56
|
60
|
57
|
35
|
35
|
38
|
49
|
45
|
41
|
52
|
28
|
|
2024/02
|
40
|
32
|
30
|
22
|
23
|
25
|
19
|
14
|
36
|
55
|
42
|
42
|
45
|
44
|
43
|
37
|
38
|
51
|
30
|
28
|
20
|
31
|
30
|
35
|
43
|
40
|
30
|
47
|
40
|
||
|
2024/01
|
70
|
71
|
35
|
38
|
57
|
63
|
66
|
89
|
67
|
44
|
66
|
80
|
69
|
48
|
61
|
71
|
47
|
48
|
51
|
33
|
28
|
26
|
17
|
33
|
49
|
65
|
74
|
72
|
61
|
45
|
48
|
|
2023/12
|
46
|
43
|
46
|
47
|
36
|
36
|
32
|
48
|
56
|
59
|
50
|
43
|
33
|
49
|
39
|
19
|
23
|
32
|
37
|
14
|
23
|
44
|
37
|
32
|
45
|
53
|
54
|
56
|
50
|
59
|
65
|
|
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