Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
51
PM2.5
161
*
PM10
101
O3
0.2
CO
5
SO2
8
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
6 May
101
Light
Wed
7 May
93
Good
Thu
8 May
86
Good
Fri
9 May
94
Good
Sat
10 May
104
Light
Sun
11 May
97
Good
Mon
12 May
49
Excellent
Air quality in the last 12 months (Huaiyuan)
|
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
|
|
2024/04
|
77
|
64
|
90
|
53
|
54
|
51
|
77
|
49
|
61
|
73
|
58
|
80
|
67
|
64
|
47
|
78
|
114
|
78
|
59
|
66
|
68
|
62
|
83
|
83
|
67
|
69
|
61
|
40
|
39
|
60
|
|
|
2024/03
|
53
|
67
|
72
|
83
|
47
|
74
|
107
|
89
|
61
|
110
|
91
|
95
|
84
|
72
|
99
|
121
|
162
|
63
|
98
|
114
|
79
|
67
|
63
|
52
|
52
|
72
|
78
|
80
|
64
|
73
|
91
|
|
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