Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
55
O3
0.5
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
53
Good
Sat
20 Apr
55
Good
Sun
21 Apr
41
Excellent
Mon
22 Apr
56
Good
Tue
23 Apr
58
Good
Wed
24 Apr
53
Good
Air quality in the last 12 months (Nanjing)
|
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
|
|
2023/11
|
37
|
37
|
44
|
55
|
53
|
41
|
41
|
49
|
53
|
50
|
20
|
19
|
22
|
40
|
32
|
28
|
49
|
56
|
62
|
52
|
48
|
45
|
46
|
59
|
50
|
39
|
48
|
53
|
55
|
53
|
|
|
2023/10
|
35
|
33
|
45
|
41
|
23
|
26
|
18
|
23
|
25
|
28
|
22
|
28
|
32
|
31
|
42
|
47
|
57
|
60
|
67
|
29
|
22
|
26
|
29
|
37
|
48
|
42
|
30
|
24
|
35
|
40
|
38
|
|
2023/09
|
15
|
21
|
23
|
15
|
11
|
15
|
21
|
27
|
32
|
36
|
32
|
34
|
36
|
30
|
25
|
41
|
35
|
40
|
38
|
38
|
39
|
37
|
25
|
31
|
30
|
30
|
36
|
35
|
30
|
36
|
|
|
2023/08
|
26
|
29
|
27
|
33
|
30
|
33
|
32
|
29
|
31
|
26
|
27
|
23
|
28
|
29
|
29
|
31
|
23
|
30
|
30
|
21
|
29
|
21
|
26
|
26
|
34
|
35
|
30
|
23
|
30
|
18
|
19
|
|
2023/07
|
17
|
12
|
17
|
17
|
20
|
23
|
25
|
30
|
34
|
31
|
30
|
22
|
23
|
33
|
46
|
29
|
20
|
17
|
19
|
21
|
25
|
24
|
24
|
26
|
33
|
21
|
15
|
12
|
17
|
19
|
26
|
|
2023/06
|
39
|
35
|
41
|
33
|
29
|
26
|
24
|
25
|
22
|
17
|
31
|
36
|
36
|
38
|
25
|
20
|
23
|
26
|
26
|
24
|
26
|
26
|
17
|
19
|
19
|
12
|
18
|
22
|
18
|
16
|
|
|
2023/05
|
51
|
53
|
36
|
22
|
25
|
26
|
20
|
25
|
33
|
47
|
41
|
45
|
48
|
53
|
54
|
43
|
22
|
40
|
35
|
28
|
27
|
30
|
39
|
57
|
57
|
49
|
44
|
44
|
36
|
38
|
38
|
|
2023/04
|
24
|
38
|
42
|
43
|
27
|
28
|
22
|
50
|
47
|
46
|
44
|
55
|
51
|
58
|
39
|
49
|
53
|
31
|
31
|
28
|
29
|
43
|
61
|
43
|
33
|
20
|
37
|
49
|
40
|
34
|
|
|
2023/03
|
51
|
63
|
61
|
57
|
63
|
54
|
54
|
59
|
62
|
59
|
53
|
54
|
52
|
55
|
62
|
61
|
51
|
50
|
43
|
51
|
63
|
40
|
37
|
28
|
23
|
19
|
22
|
36
|
37
|
45
|
32
|
|
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