Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
54
O3
0.7
CO
2
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
49
Excellent
Fri
15 May
64
Good
Sat
16 May
60
Good
Sun
17 May
63
Good
Mon
18 May
66
Good
Tue
19 May
65
Good
Wed
20 May
44
Excellent
Air quality in the last 12 months (Nanjing)
|
2026/04
|
30
|
35
|
29
|
25
|
34
|
39
|
40
|
39
|
37
|
36
|
37
|
36
|
34
|
38
|
47
|
37
|
42
|
38
|
40
|
47
|
40
|
31
|
29
|
19
|
25
|
50
|
55
|
51
|
28
|
21
|
|
|
2026/03
|
16
|
34
|
23
|
28
|
29
|
29
|
42
|
40
|
41
|
32
|
48
|
52
|
45
|
49
|
45
|
38
|
42
|
41
|
43
|
43
|
46
|
45
|
46
|
42
|
47
|
42
|
48
|
37
|
42
|
56
|
31
|
|
2026/02
|
26
|
36
|
48
|
52
|
55
|
47
|
35
|
41
|
40
|
47
|
48
|
45
|
47
|
39
|
25
|
47
|
59
|
38
|
36
|
43
|
48
|
53
|
49
|
53
|
38
|
31
|
34
|
13
|
|||
|
2026/01
|
30
|
17
|
36
|
43
|
42
|
29
|
41
|
50
|
51
|
49
|
55
|
57
|
54
|
54
|
59
|
62
|
58
|
63
|
59
|
44
|
35
|
40
|
33
|
37
|
39
|
42
|
47
|
38
|
43
|
41
|
31
|
|
2025/12
|
38
|
42
|
43
|
50
|
48
|
43
|
46
|
44
|
48
|
44
|
43
|
49
|
38
|
33
|
46
|
47
|
54
|
54
|
54
|
46
|
53
|
36
|
40
|
45
|
19
|
26
|
36
|
42
|
43
|
44
|
47
|
|
2025/11
|
25
|
41
|
37
|
16
|
20
|
27
|
33
|
37
|
41
|
21
|
24
|
10
|
11
|
26
|
40
|
44
|
43
|
37
|
22
|
33
|
36
|
50
|
45
|
47
|
39
|
60
|
52
|
59
|
62
|
48
|
|
|
2025/10
|
38
|
28
|
32
|
35
|
27
|
23
|
32
|
33
|
32
|
31
|
34
|
33
|
29
|
26
|
29
|
29
|
36
|
29
|
29
|
15
|
12
|
12
|
20
|
24
|
28
|
35
|
43
|
38
|
18
|
29
|
31
|
|
2025/09
|
31
|
25
|
27
|
28
|
33
|
27
|
16
|
13
|
15
|
17
|
17
|
25
|
26
|
31
|
28
|
28
|
24
|
16
|
16
|
11
|
16
|
16
|
13
|
11
|
17
|
22
|
26
|
28
|
32
|
38
|
|
|
2025/08
|
21
|
23
|
17
|
13
|
13
|
23
|
25
|
28
|
26
|
16
|
19
|
21
|
20
|
8
|
17
|
18
|
24
|
18
|
15
|
17
|
19
|
18
|
24
|
22
|
24
|
15
|
14
|
20
|
23
|
27
|
28
|
|
2025/07
|
26
|
18
|
24
|
28
|
13
|
16
|
24
|
31
|
28
|
12
|
11
|
22
|
30
|
23
|
27
|
30
|
30
|
22
|
15
|
14
|
11
|
12
|
19
|
23
|
15
|
18
|
21
|
17
|
20
|
18
|
17
|
|
2025/06
|
28
|
25
|
12
|
20
|
28
|
31
|
32
|
41
|
25
|
23
|
25
|
21
|
17
|
17
|
15
|
17
|
15
|
21
|
17
|
14
|
16
|
19
|
18
|
22
|
22
|
16
|
18
|
18
|
18
|
22
|
|
|
2025/05
|
57
|
45
|
40
|
46
|
30
|
33
|
25
|
49
|
31
|
24
|
22
|
31
|
40
|
39
|
31
|
20
|
19
|
23
|
22
|
25
|
26
|
29
|
26
|
17
|
32
|
39
|
36
|
27
|
8
|
16
|
37
|
|
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