Air Quality
Excellent
No health implications.
31
PM2.5
50
PM10
130
O3
0.4
CO
6
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
93
Good
Tue
7 May
95
Good
Wed
8 May
86
Good
Thu
9 May
100
Good
Fri
10 May
98
Good
Sat
11 May
89
Good
Sun
12 May
85
Good
Air quality in the last 12 months (Huaiyuan)
|
2024/02
|
36
|
50
|
76
|
72
|
79
|
102
|
146
|
210
|
183
|
151
|
157
|
69
|
51
|
67
|
47
|
37
|
35
|
41
|
75
|
21
|
40
|
43
|
52
|
78
|
156
|
91
|
57
|
68
|
66
|
||
|
2024/01
|
173
|
130
|
127
|
73
|
120
|
172
|
74
|
58
|
143
|
178
|
151
|
176
|
168
|
177
|
50
|
41
|
57
|
83
|
71
|
83
|
88
|
31
|
42
|
70
|
80
|
96
|
99
|
118
|
128
|
171
|
95
|
|
2023/12
|
76
|
77
|
94
|
110
|
101
|
159
|
99
|
74
|
92
|
73
|
40
|
80
|
70
|
42
|
65
|
61
|
32
|
44
|
78
|
88
|
58
|
56
|
63
|
116
|
92
|
96
|
216
|
280
|
131
|
198
|
217
|
|
2023/11
|
76
|
70
|
129
|
77
|
54
|
57
|
55
|
75
|
113
|
44
|
49
|
87
|
62
|
79
|
97
|
139
|
92
|
75
|
84
|
112
|
78
|
101
|
159
|
52
|
55
|
100
|
104
|
109
|
84
|
46
|
|
|
2023/10
|
61
|
34
|
28
|
45
|
59
|
53
|
32
|
37
|
63
|
76
|
76
|
72
|
70
|
83
|
76
|
83
|
73
|
88
|
125
|
60
|
71
|
70
|
75
|
81
|
95
|
121
|
116
|
83
|
65
|
91
|
92
|
|
2023/09
|
45
|
61
|
48
|
41
|
37
|
32
|
40
|
55
|
55
|
53
|
53
|
46
|
30
|
35
|
42
|
38
|
45
|
49
|
52
|
30
|
29
|
41
|
27
|
29
|
34
|
61
|
75
|
66
|
71
|
52
|
|
|
2023/08
|
29
|
33
|
34
|
37
|
41
|
34
|
30
|
45
|
47
|
67
|
67
|
59
|
35
|
37
|
34
|
44
|
44
|
50
|
42
|
39
|
41
|
43
|
70
|
58
|
56
|
45
|
23
|
32
|
41
|
56
|
45
|
|
2023/07
|
53
|
44
|
31
|
29
|
46
|
43
|
24
|
35
|
33
|
34
|
35
|
46
|
42
|
35
|
57
|
61
|
40
|
25
|
20
|
25
|
21
|
26
|
33
|
41
|
40
|
35
|
29
|
20
|
18
|
19
|
25
|
|
2023/06
|
63
|
83
|
80
|
55
|
29
|
51
|
61
|
63
|
78
|
77
|
70
|
51
|
74
|
82
|
75
|
82
|
47
|
18
|
22
|
44
|
77
|
83
|
64
|
33
|
28
|
33
|
39
|
37
|
29
|
47
|
|
|
2023/05
|
87
|
62
|
40
|
39
|
40
|
59
|
51
|
53
|
54
|
53
|
75
|
61
|
68
|
72
|
70
|
64
|
46
|
42
|
37
|
60
|
105
|
97
|
61
|
48
|
54
|
64
|
58
|
44
|
28
|
37
|
55
|
|
2023/04
|
72
|
69
|
44
|
36
|
35
|
60
|
65
|
67
|
64
|
67
|
226
|
369
|
119
|
77
|
119
|
91
|
83
|
80
|
64
|
68
|
67
|
63
|
44
|
41
|
51
|
52
|
55
|
55
|
117
|
100
|
|
|
2023/03
|
140
|
92
|
84
|
103
|
102
|
72
|
69
|
89
|
105
|
77
|
116
|
110
|
84
|
74
|
226
|
107
|
29
|
62
|
73
|
82
|
125
|
60
|
382
|
186
|
92
|
110
|
113
|
92
|
73
|
59
|
65
|
|
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