Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
44
O3
0.4
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Oct
53
Good
Fri
10 Oct
51
Good
Sat
11 Oct
54
Good
Sun
12 Oct
55
Good
Mon
13 Oct
51
Good
Tue
14 Oct
52
Good
Wed
15 Oct
40
Excellent
Air quality in the last 12 months (Huaian)
|
2025/08
|
44
|
42
|
35
|
39
|
35
|
24
|
21
|
21
|
21
|
22
|
34
|
34
|
24
|
34
|
45
|
25
|
31
|
34
|
25
|
24
|
32
|
34
|
25
|
21
|
29
|
26
|
16
|
31
|
38
|
35
|
28
|
|
2025/07
|
26
|
30
|
31
|
34
|
16
|
15
|
21
|
27
|
34
|
31
|
44
|
43
|
17
|
30
|
34
|
14
|
16
|
27
|
41
|
17
|
19
|
27
|
34
|
20
|
22
|
24
|
23
|
28
|
19
|
16
|
28
|
|
2025/06
|
45
|
21
|
19
|
26
|
30
|
22
|
23
|
27
|
31
|
28
|
45
|
62
|
41
|
34
|
16
|
21
|
33
|
41
|
33
|
22
|
20
|
30
|
35
|
38
|
43
|
50
|
45
|
44
|
41
|
35
|
|
|
2025/05
|
26
|
25
|
20
|
29
|
74
|
25
|
51
|
73
|
27
|
40
|
36
|
49
|
57
|
32
|
45
|
99
|
37
|
38
|
34
|
59
|
46
|
49
|
50
|
42
|
43
|
35
|
33
|
41
|
55
|
61
|
26
|
|
2025/04
|
35
|
23
|
55
|
69
|
27
|
52
|
47
|
33
|
36
|
44
|
117
|
44
|
40
|
30
|
38
|
88
|
94
|
22
|
31
|
52
|
60
|
41
|
50
|
25
|
31
|
50
|
22
|
29
|
45
|
31
|
|
|
2025/03
|
76
|
57
|
36
|
47
|
44
|
33
|
44
|
65
|
70
|
96
|
138
|
75
|
74
|
65
|
33
|
22
|
25
|
25
|
28
|
29
|
34
|
57
|
161
|
95
|
75
|
111
|
48
|
29
|
23
|
27
|
30
|
|
2025/02
|
83
|
37
|
21
|
29
|
35
|
68
|
19
|
24
|
38
|
58
|
64
|
40
|
53
|
52
|
72
|
22
|
26
|
28
|
20
|
22
|
23
|
23
|
20
|
51
|
41
|
50
|
72
|
68
|
|||
|
2025/01
|
45
|
30
|
36
|
38
|
49
|
20
|
23
|
16
|
22
|
34
|
48
|
38
|
48
|
29
|
32
|
54
|
56
|
54
|
53
|
52
|
34
|
36
|
69
|
69
|
92
|
122
|
20
|
29
|
107
|
59
|
78
|
|
2024/12
|
44
|
23
|
31
|
31
|
25
|
24
|
19
|
36
|
44
|
50
|
43
|
52
|
34
|
36
|
39
|
41
|
25
|
24
|
40
|
41
|
22
|
42
|
45
|
58
|
56
|
28
|
26
|
51
|
87
|
74
|
48
|
|
2024/11
|
56
|
60
|
37
|
22
|
33
|
36
|
59
|
96
|
141
|
73
|
58
|
58
|
77
|
57
|
50
|
56
|
36
|
40
|
67
|
56
|
34
|
34
|
53
|
91
|
34
|
29
|
21
|
19
|
27
|
51
|
|
|
2024/10
|
14
|
18
|
29
|
43
|
55
|
47
|
18
|
34
|
42
|
31
|
44
|
52
|
75
|
57
|
38
|
53
|
62
|
27
|
17
|
24
|
39
|
21
|
41
|
46
|
68
|
86
|
22
|
35
|
38
|
41
|
63
|
|
2024/09
|
21
|
17
|
22
|
30
|
13
|
17
|
17
|
24
|
30
|
16
|
21
|
19
|
23
|
12
|
19
|
20
|
19
|
37
|
48
|
19
|
11
|
15
|
27
|
36
|
17
|
32
|
59
|
55
|
38
|
14
|
|
|
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