Air Quality
Excellent
No health implications.
13
PM2.5
37
PM10
130
O3
0.5
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
75
Good
Mon
6 May
79
Good
Tue
7 May
93
Good
Wed
8 May
96
Good
Thu
9 May
100
Good
Fri
10 May
103
Lightly
Sat
11 May
104
Lightly
Air quality in the last 12 months (Yanliang)
|
2024/02
|
147
|
96
|
114
|
101
|
108
|
137
|
126
|
141
|
122
|
171
|
94
|
105
|
128
|
112
|
59
|
69
|
86
|
322
|
387
|
49
|
61
|
77
|
65
|
96
|
135
|
114
|
101
|
121
|
78
|
||
|
2024/01
|
107
|
109
|
83
|
107
|
115
|
86
|
71
|
125
|
125
|
85
|
127
|
188
|
225
|
154
|
107
|
87
|
120
|
154
|
90
|
123
|
45
|
25
|
41
|
62
|
66
|
92
|
102
|
106
|
133
|
189
|
229
|
|
2023/12
|
69
|
105
|
146
|
157
|
131
|
192
|
96
|
96
|
134
|
92
|
45
|
90
|
47
|
39
|
80
|
77
|
55
|
83
|
102
|
65
|
53
|
63
|
109
|
127
|
109
|
167
|
177
|
250
|
277
|
238
|
102
|
|
2023/11
|
65
|
68
|
60
|
59
|
62
|
47
|
75
|
105
|
94
|
66
|
53
|
70
|
79
|
113
|
121
|
179
|
81
|
82
|
123
|
126
|
168
|
97
|
75
|
65
|
70
|
121
|
82
|
77
|
76
|
43
|
|
|
2023/10
|
53
|
35
|
38
|
33
|
33
|
27
|
41
|
53
|
56
|
64
|
75
|
89
|
57
|
45
|
47
|
95
|
95
|
40
|
30
|
49
|
64
|
77
|
98
|
104
|
83
|
71
|
80
|
84
|
74
|
79
|
74
|
|
2023/09
|
51
|
55
|
51
|
53
|
51
|
56
|
59
|
60
|
61
|
59
|
45
|
32
|
43
|
50
|
50
|
50
|
57
|
38
|
40
|
39
|
40
|
48
|
35
|
28
|
36
|
29
|
30
|
34
|
41
|
52
|
|
|
2023/08
|
33
|
33
|
39
|
54
|
42
|
32
|
35
|
40
|
47
|
56
|
52
|
33
|
46
|
49
|
49
|
49
|
118
|
66
|
70
|
34
|
36
|
51
|
43
|
39
|
49
|
29
|
23
|
34
|
47
|
59
|
49
|
|
2023/07
|
53
|
47
|
31
|
39
|
72
|
70
|
64
|
82
|
89
|
77
|
54
|
40
|
24
|
63
|
56
|
60
|
60
|
55
|
57
|
57
|
66
|
76
|
69
|
46
|
41
|
36
|
44
|
35
|
47
|
29
|
34
|
|
2023/06
|
40
|
33
|
31
|
21
|
36
|
51
|
63
|
65
|
65
|
67
|
78
|
65
|
67
|
70
|
54
|
43
|
32
|
31
|
51
|
64
|
77
|
72
|
58
|
51
|
62
|
72
|
51
|
32
|
71
|
68
|
|
|
2023/05
|
69
|
75
|
54
|
43
|
75
|
32
|
32
|
45
|
48
|
60
|
54
|
64
|
65
|
63
|
64
|
56
|
63
|
52
|
55
|
83
|
48
|
38
|
47
|
45
|
53
|
55
|
36
|
17
|
23
|
30
|
43
|
|
2023/04
|
69
|
65
|
15
|
22
|
57
|
195
|
137
|
92
|
88
|
92
|
461
|
222
|
194
|
72
|
71
|
92
|
90
|
87
|
84
|
440
|
92
|
24
|
23
|
27
|
58
|
68
|
70
|
167
|
115
|
78
|
|
|
2023/03
|
96
|
101
|
96
|
97
|
113
|
130
|
139
|
106
|
94
|
90
|
164
|
124
|
111
|
102
|
83
|
43
|
49
|
84
|
102
|
85
|
110
|
146
|
113
|
183
|
100
|
86
|
83
|
76
|
70
|
77
|
74
|
|
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