Air Quality
Excellent
No health implications.
19
PM2.5
23
PM10
39
O3
0.5
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
29
Excellent
Fri
22 May
47
Excellent
Sat
23 May
52
Good
Sun
24 May
55
Good
Mon
25 May
58
Good
Tue
26 May
47
Excellent
Wed
27 May
43
Excellent
Air quality in the last 12 months (Jiangnan)
|
2026/04
|
30
|
55
|
57
|
32
|
69
|
68
|
68
|
62
|
54
|
56
|
65
|
64
|
60
|
55
|
54
|
46
|
35
|
44
|
57
|
31
|
28
|
31
|
21
|
30
|
46
|
54
|
29
|
25
|
20
|
30
|
|
|
2026/03
|
20
|
28
|
19
|
30
|
64
|
55
|
57
|
51
|
50
|
17
|
42
|
60
|
67
|
49
|
49
|
40
|
34
|
36
|
49
|
34
|
39
|
59
|
37
|
39
|
37
|
43
|
37
|
61
|
63
|
43
|
36
|
|
2026/02
|
33
|
54
|
77
|
77
|
53
|
47
|
47
|
30
|
53
|
49
|
22
|
45
|
57
|
42
|
38
|
44
|
63
|
50
|
60
|
36
|
55
|
45
|
45
|
40
|
76
|
51
|
40
|
32
|
|||
|
2026/01
|
58
|
19
|
38
|
73
|
31
|
26
|
37
|
55
|
69
|
91
|
78
|
69
|
89
|
92
|
84
|
76
|
84
|
75
|
55
|
49
|
23
|
18
|
34
|
55
|
78
|
80
|
35
|
41
|
65
|
45
|
24
|
|
2025/12
|
79
|
64
|
63
|
75
|
79
|
65
|
85
|
63
|
73
|
86
|
109
|
103
|
32
|
41
|
49
|
65
|
60
|
68
|
56
|
40
|
59
|
59
|
45
|
28
|
19
|
46
|
55
|
69
|
74
|
75
|
66
|
|
2025/11
|
25
|
28
|
17
|
14
|
27
|
44
|
48
|
33
|
21
|
18
|
18
|
20
|
36
|
46
|
64
|
69
|
70
|
26
|
18
|
27
|
29
|
50
|
58
|
63
|
40
|
57
|
49
|
65
|
68
|
76
|
|
|
2025/10
|
26
|
22
|
22
|
30
|
33
|
10
|
23
|
44
|
44
|
37
|
36
|
36
|
24
|
18
|
16
|
32
|
47
|
44
|
31
|
16
|
11
|
14
|
20
|
35
|
45
|
44
|
35
|
36
|
48
|
48
|
32
|
|
2025/09
|
18
|
21
|
23
|
23
|
19
|
22
|
37
|
38
|
19
|
17
|
16
|
21
|
20
|
21
|
16
|
26
|
17
|
25
|
41
|
48
|
28
|
18
|
25
|
22
|
11
|
17
|
29
|
27
|
20
|
23
|
|
|
2025/08
|
25
|
28
|
35
|
33
|
27
|
21
|
18
|
27
|
26
|
28
|
26
|
23
|
33
|
49
|
20
|
20
|
28
|
17
|
12
|
18
|
22
|
22
|
24
|
34
|
19
|
22
|
20
|
29
|
37
|
34
|
20
|
|
2025/07
|
15
|
19
|
20
|
25
|
36
|
38
|
27
|
29
|
35
|
35
|
27
|
24
|
37
|
31
|
24
|
29
|
26
|
35
|
46
|
33
|
21
|
13
|
17
|
16
|
33
|
40
|
32
|
47
|
35
|
48
|
35
|
|
2025/06
|
29
|
30
|
22
|
37
|
31
|
23
|
23
|
24
|
29
|
25
|
38
|
26
|
18
|
21
|
34
|
18
|
20
|
23
|
24
|
24
|
23
|
24
|
20
|
20
|
20
|
23
|
16
|
21
|
16
|
13
|
|
|
2025/05
|
35
|
47
|
37
|
32
|
35
|
30
|
35
|
29
|
22
|
24
|
27
|
47
|
41
|
31
|
18
|
22
|
23
|
23
|
21
|
21
|
22
|
24
|
24
|
16
|
33
|
38
|
49
|
43
|
17
|
25
|
27
|
|
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