Air Quality
Excellent
No health implications.
4
PM2.5
19
PM10
122
O3
0.3
CO
8
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
81
Good
Tue
22 Jul
81
Good
Wed
23 Jul
85
Good
Thu
24 Jul
86
Good
Fri
25 Jul
83
Good
Sat
26 Jul
89
Good
Sun
27 Jul
50
Excellent
Huaian Air quality rank
Air quality in the last 12 months (Huaian)
|
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
|
|
|
2024/08
|
22
|
29
|
25
|
30
|
27
|
26
|
32
|
31
|
27
|
53
|
11
|
12
|
15
|
24
|
33
|
41
|
33
|
28
|
25
|
17
|
16
|
16
|
26
|
28
|
23
|
14
|
22
|
28
|
32
|
28
|
38
|
|
2024/07
|
24
|
30
|
27
|
32
|
37
|
27
|
35
|
36
|
51
|
52
|
52
|
42
|
29
|
44
|
50
|
27
|
20
|
28
|
34
|
29
|
49
|
56
|
50
|
44
|
21
|
21
|
30
|
23
|
19
|
22
|
21
|
|
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