Air Quality
Excellent
No health implications.
15
PM2.5
35
PM10
34
O3
0.5
CO
7
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jan
84
Good
Sun
1 Feb
109
Light
Mon
2 Feb
146
Light
Tue
3 Feb
157
Moderate
Wed
4 Feb
194
Moderate
Thu
5 Feb
189
Moderate
Fri
6 Feb
19
Excellent
Air quality in the last 12 months (Huaiyin)
|
2025/12
|
89
|
52
|
41
|
59
|
61
|
83
|
102
|
67
|
65
|
60
|
104
|
46
|
52
|
79
|
69
|
82
|
107
|
76
|
110
|
133
|
42
|
32
|
35
|
82
|
58
|
36
|
50
|
78
|
117
|
121
|
37
|
|
2025/11
|
176
|
111
|
38
|
47
|
40
|
49
|
55
|
29
|
82
|
67
|
39
|
54
|
99
|
138
|
118
|
103
|
41
|
54
|
60
|
58
|
134
|
137
|
122
|
108
|
69
|
68
|
188
|
133
|
92
|
95
|
|
|
2025/10
|
44
|
39
|
24
|
28
|
45
|
59
|
37
|
33
|
24
|
47
|
63
|
32
|
18
|
45
|
27
|
21
|
29
|
26
|
30
|
29
|
23
|
31
|
39
|
48
|
59
|
74
|
62
|
37
|
29
|
29
|
63
|
|
2025/09
|
22
|
20
|
28
|
24
|
34
|
32
|
48
|
34
|
25
|
30
|
32
|
26
|
25
|
34
|
44
|
43
|
20
|
19
|
15
|
29
|
39
|
22
|
24
|
15
|
24
|
22
|
23
|
35
|
49
|
48
|
|
|
2025/08
|
12
|
13
|
23
|
32
|
22
|
37
|
21
|
25
|
25
|
15
|
14
|
19
|
24
|
34
|
29
|
32
|
38
|
38
|
41
|
35
|
46
|
39
|
36
|
27
|
15
|
26
|
29
|
36
|
41
|
33
|
15
|
|
2025/07
|
36
|
33
|
39
|
42
|
42
|
40
|
43
|
15
|
24
|
51
|
44
|
32
|
36
|
27
|
39
|
39
|
33
|
46
|
27
|
27
|
21
|
21
|
20
|
21
|
28
|
26
|
24
|
19
|
22
|
22
|
14
|
|
2025/06
|
41
|
17
|
53
|
71
|
67
|
58
|
45
|
38
|
31
|
48
|
45
|
28
|
41
|
30
|
36
|
55
|
40
|
48
|
30
|
12
|
18
|
36
|
28
|
31
|
34
|
54
|
30
|
25
|
19
|
23
|
|
|
2025/05
|
54
|
58
|
40
|
32
|
26
|
60
|
59
|
47
|
15
|
30
|
43
|
45
|
48
|
71
|
90
|
43
|
69
|
47
|
73
|
58
|
39
|
57
|
61
|
54
|
51
|
51
|
49
|
44
|
40
|
53
|
68
|
|
2025/04
|
57
|
52
|
40
|
68
|
66
|
60
|
64
|
75
|
81
|
69
|
90
|
146
|
78
|
63
|
49
|
60
|
65
|
79
|
94
|
49
|
50
|
57
|
69
|
78
|
54
|
49
|
50
|
47
|
52
|
59
|
|
|
2025/03
|
112
|
46
|
38
|
45
|
73
|
64
|
70
|
102
|
95
|
68
|
122
|
130
|
89
|
54
|
41
|
43
|
49
|
41
|
41
|
63
|
56
|
56
|
69
|
99
|
98
|
85
|
111
|
99
|
75
|
51
|
49
|
|
2025/02
|
56
|
94
|
101
|
58
|
59
|
44
|
53
|
36
|
49
|
66
|
81
|
105
|
52
|
76
|
110
|
114
|
43
|
47
|
43
|
38
|
40
|
59
|
54
|
59
|
83
|
113
|
151
|
151
|
|||
|
2025/01
|
93
|
111
|
68
|
70
|
140
|
99
|
57
|
68
|
47
|
56
|
70
|
109
|
99
|
133
|
66
|
68
|
105
|
110
|
155
|
173
|
158
|
92
|
50
|
41
|
42
|
95
|
55
|
68
|
99
|
105
|
111
|
|
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