Air Quality
Excellent
No health implications.
10
PM2.5
12
PM10
112
O3
0.3
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jun
93
Good
Mon
9 Jun
93
Good
Tue
10 Jun
100
Good
Wed
11 Jun
102
Light
Thu
12 Jun
92
Good
Fri
13 Jun
93
Good
Sat
14 Jun
47
Excellent
Air quality in the last 12 months (Huaiyuan)
|
2025/04
|
68
|
67
|
55
|
75
|
91
|
81
|
67
|
84
|
89
|
102
|
83
|
207
|
107
|
72
|
55
|
68
|
74
|
79
|
76
|
58
|
55
|
79
|
86
|
90
|
63
|
54
|
58
|
67
|
58
|
61
|
|
|
2025/03
|
105
|
81
|
45
|
73
|
93
|
87
|
74
|
92
|
102
|
89
|
120
|
171
|
129
|
48
|
60
|
59
|
55
|
52
|
64
|
65
|
56
|
62
|
74
|
116
|
85
|
71
|
119
|
157
|
110
|
80
|
62
|
|
2025/02
|
116
|
92
|
120
|
102
|
65
|
54
|
82
|
44
|
55
|
64
|
78
|
122
|
81
|
94
|
115
|
101
|
58
|
67
|
88
|
53
|
51
|
83
|
102
|
59
|
76
|
122
|
95
|
96
|
|||
|
2025/01
|
92
|
164
|
124
|
133
|
149
|
93
|
67
|
80
|
51
|
67
|
90
|
85
|
105
|
141
|
72
|
76
|
109
|
119
|
163
|
148
|
130
|
185
|
83
|
57
|
39
|
94
|
54
|
111
|
170
|
78
|
134
|
|
2024/12
|
88
|
121
|
71
|
85
|
122
|
160
|
128
|
49
|
60
|
85
|
116
|
100
|
111
|
92
|
79
|
99
|
137
|
87
|
68
|
93
|
97
|
70
|
86
|
111
|
144
|
163
|
103
|
96
|
73
|
99
|
115
|
|
2024/11
|
69
|
137
|
107
|
103
|
65
|
71
|
50
|
44
|
54
|
55
|
53
|
65
|
88
|
93
|
89
|
61
|
43
|
38
|
30
|
51
|
66
|
107
|
46
|
50
|
38
|
53
|
83
|
66
|
63
|
77
|
|
|
2024/10
|
37
|
49
|
47
|
42
|
34
|
19
|
19
|
52
|
53
|
75
|
79
|
79
|
70
|
61
|
71
|
65
|
41
|
25
|
42
|
54
|
67
|
80
|
68
|
48
|
60
|
69
|
106
|
122
|
90
|
62
|
60
|
|
2024/09
|
47
|
41
|
34
|
38
|
50
|
43
|
40
|
37
|
29
|
34
|
36
|
15
|
30
|
45
|
36
|
42
|
11
|
28
|
23
|
29
|
32
|
37
|
42
|
52
|
58
|
47
|
37
|
36
|
43
|
47
|
|
|
2024/08
|
21
|
21
|
29
|
34
|
33
|
27
|
28
|
35
|
40
|
45
|
80
|
54
|
47
|
25
|
27
|
26
|
27
|
35
|
30
|
28
|
46
|
47
|
46
|
42
|
47
|
41
|
15
|
20
|
27
|
32
|
36
|
|
2024/07
|
20
|
29
|
39
|
16
|
27
|
29
|
30
|
27
|
20
|
46
|
41
|
27
|
21
|
21
|
17
|
41
|
36
|
19
|
31
|
25
|
28
|
29
|
38
|
37
|
27
|
25
|
15
|
18
|
20
|
25
|
28
|
|
2024/06
|
53
|
48
|
69
|
61
|
62
|
42
|
37
|
58
|
69
|
42
|
36
|
49
|
53
|
58
|
48
|
53
|
46
|
47
|
46
|
53
|
29
|
35
|
39
|
59
|
76
|
61
|
52
|
21
|
16
|
25
|
|
|
2024/05
|
56
|
43
|
50
|
57
|
58
|
59
|
67
|
52
|
47
|
58
|
80
|
147
|
103
|
70
|
76
|
56
|
65
|
70
|
49
|
51
|
43
|
43
|
49
|
58
|
51
|
63
|
36
|
45
|
51
|
49
|
59
|
|
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