Air Quality
Excellent
No health implications.
20
PM2.5
42
PM10
91
O3
0.6
CO
10
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jun
134
Light
Sun
8 Jun
127
Light
Mon
9 Jun
130
Light
Tue
10 Jun
123
Light
Wed
11 Jun
125
Light
Thu
12 Jun
121
Light
Fri
13 Jun
24
Excellent
Air quality in the last 12 months (Yiyang)
|
2025/04
|
65
|
64
|
63
|
86
|
66
|
76
|
76
|
90
|
96
|
97
|
90
|
270
|
112
|
56
|
51
|
99
|
121
|
110
|
75
|
90
|
64
|
160
|
125
|
70
|
70
|
75
|
62
|
49
|
45
|
112
|
|
|
2025/03
|
114
|
42
|
37
|
50
|
79
|
103
|
79
|
81
|
105
|
107
|
94
|
117
|
147
|
80
|
44
|
40
|
37
|
44
|
45
|
40
|
47
|
62
|
84
|
224
|
120
|
178
|
121
|
141
|
82
|
54
|
65
|
|
2025/02
|
120
|
131
|
69
|
44
|
41
|
58
|
67
|
32
|
76
|
120
|
137
|
66
|
62
|
76
|
76
|
71
|
82
|
101
|
72
|
83
|
122
|
131
|
117
|
105
|
83
|
72
|
102
|
148
|
|||
|
2025/01
|
136
|
178
|
169
|
156
|
104
|
61
|
55
|
50
|
67
|
82
|
70
|
60
|
91
|
79
|
38
|
52
|
81
|
104
|
105
|
111
|
175
|
225
|
98
|
109
|
101
|
70
|
37
|
80
|
191
|
174
|
145
|
|
2024/12
|
57
|
65
|
62
|
100
|
50
|
58
|
55
|
70
|
108
|
129
|
130
|
147
|
65
|
50
|
50
|
76
|
106
|
104
|
97
|
100
|
49
|
86
|
118
|
138
|
112
|
119
|
90
|
43
|
67
|
71
|
76
|
|
2024/11
|
87
|
75
|
76
|
64
|
52
|
89
|
128
|
104
|
88
|
128
|
187
|
217
|
145
|
66
|
97
|
62
|
33
|
57
|
45
|
55
|
59
|
116
|
155
|
105
|
45
|
38
|
60
|
49
|
37
|
45
|
|
|
2024/10
|
58
|
55
|
62
|
81
|
84
|
93
|
112
|
143
|
131
|
70
|
95
|
132
|
133
|
117
|
108
|
138
|
87
|
19
|
27
|
27
|
44
|
26
|
39
|
61
|
102
|
86
|
46
|
130
|
154
|
154
|
190
|
|
2024/09
|
37
|
26
|
37
|
46
|
37
|
27
|
43
|
57
|
53
|
42
|
25
|
31
|
36
|
55
|
34
|
46
|
47
|
43
|
24
|
34
|
20
|
30
|
52
|
68
|
71
|
102
|
105
|
63
|
47
|
17
|
|
|
2024/08
|
23
|
27
|
20
|
14
|
24
|
20
|
25
|
30
|
29
|
114
|
53
|
24
|
32
|
31
|
41
|
45
|
38
|
29
|
25
|
23
|
19
|
29
|
42
|
43
|
37
|
30
|
20
|
26
|
40
|
40
|
33
|
|
2024/07
|
28
|
24
|
46
|
24
|
20
|
21
|
36
|
19
|
31
|
56
|
40
|
40
|
47
|
59
|
47
|
34
|
27
|
15
|
25
|
30
|
34
|
26
|
28
|
41
|
61
|
32
|
30
|
31
|
14
|
12
|
15
|
|
2024/06
|
67
|
48
|
48
|
80
|
39
|
70
|
59
|
58
|
49
|
50
|
51
|
66
|
68
|
52
|
56
|
43
|
23
|
42
|
48
|
46
|
24
|
41
|
51
|
104
|
90
|
73
|
57
|
52
|
34
|
44
|
|
|
2024/05
|
33
|
51
|
49
|
44
|
49
|
48
|
66
|
76
|
59
|
52
|
112
|
100
|
93
|
66
|
91
|
57
|
59
|
65
|
54
|
58
|
58
|
66
|
55
|
81
|
76
|
53
|
55
|
61
|
61
|
50
|
78
|
|
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