Air Quality
Excellent
No health implications.
10
PM2.5
19
PM10
110
O3
0.6
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
71
Good
Tue
16 Sep
51
Good
Wed
17 Sep
51
Good
Thu
18 Sep
56
Good
Fri
19 Sep
53
Good
Sat
20 Sep
53
Good
Sun
21 Sep
38
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