Air Quality
Excellent
No health implications.
4
PM2.5
18
PM10
69
O3
0.2
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jan
51
Good
Wed
8 Jan
51
Good
Thu
9 Jan
55
Good
Fri
10 Jan
52
Good
Sat
11 Jan
63
Good
Sun
12 Jan
58
Good
Mon
13 Jan
17
Excellent
Air quality in the last 12 months (Huaian)
|
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
|
|
2024/06
|
25
|
29
|
37
|
42
|
43
|
40
|
17
|
28
|
28
|
27
|
35
|
40
|
37
|
19
|
21
|
25
|
36
|
45
|
42
|
50
|
45
|
353
|
136
|
18
|
22
|
50
|
60
|
52
|
49
|
33
|
|
|
2024/05
|
36
|
39
|
48
|
61
|
53
|
42
|
38
|
35
|
58
|
141
|
66
|
29
|
36
|
53
|
28
|
57
|
53
|
71
|
72
|
50
|
55
|
68
|
75
|
53
|
32
|
35
|
25
|
34
|
53
|
40
|
20
|
|
2024/04
|
64
|
73
|
43
|
53
|
52
|
36
|
40
|
60
|
57
|
51
|
50
|
74
|
74
|
90
|
182
|
39
|
44
|
54
|
73
|
24
|
43
|
81
|
35
|
49
|
107
|
85
|
152
|
44
|
23
|
23
|
|
|
2024/03
|
30
|
76
|
46
|
72
|
64
|
23
|
35
|
31
|
48
|
65
|
38
|
30
|
39
|
46
|
78
|
94
|
40
|
144
|
60
|
36
|
78
|
52
|
59
|
51
|
45
|
69
|
185
|
250
|
91
|
33
|
38
|
|
2024/02
|
39
|
65
|
44
|
50
|
84
|
38
|
36
|
54
|
62
|
158
|
50
|
58
|
65
|
39
|
35
|
63
|
83
|
62
|
36
|
33
|
30
|
26
|
32
|
53
|
50
|
54
|
90
|
49
|
29
|
||
|
2024/01
|
68
|
62
|
42
|
50
|
50
|
23
|
44
|
66
|
33
|
53
|
65
|
60
|
75
|
28
|
48
|
65
|
87
|
98
|
97
|
40
|
24
|
24
|
27
|
29
|
40
|
54
|
53
|
57
|
64
|
102
|
36
|
|
2023/12
|
36
|
48
|
55
|
66
|
88
|
152
|
101
|
119
|
54
|
54
|
44
|
72
|
60
|
64
|
40
|
26
|
36
|
63
|
37
|
29
|
31
|
42
|
55
|
53
|
64
|
63
|
66
|
91
|
100
|
87
|
39
|
|
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