Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
119
*
PM2.5
134
PM10
50
O3
1.1
CO
7
SO2
22
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
30 Jan
123
Light
Sat
31 Jan
113
Light
Sun
1 Feb
106
Light
Mon
2 Feb
70
Good
Tue
3 Feb
96
Good
Wed
4 Feb
16
Excellent
Thu
5 Feb
34
Excellent
Air quality in the last 12 months (Yiyang)
|
2025/12
|
139
|
108
|
47
|
68
|
97
|
108
|
97
|
84
|
120
|
153
|
131
|
48
|
88
|
69
|
69
|
108
|
164
|
163
|
147
|
100
|
92
|
92
|
98
|
90
|
53
|
94
|
104
|
115
|
91
|
149
|
74
|
|
2025/11
|
52
|
67
|
84
|
138
|
126
|
118
|
57
|
41
|
72
|
91
|
91
|
84
|
68
|
75
|
77
|
73
|
28
|
25
|
34
|
51
|
55
|
65
|
78
|
108
|
85
|
126
|
195
|
99
|
81
|
84
|
|
|
2025/10
|
22
|
13
|
30
|
34
|
16
|
16
|
26
|
33
|
13
|
22
|
26
|
36
|
38
|
56
|
54
|
57
|
16
|
30
|
48
|
38
|
40
|
69
|
92
|
120
|
59
|
57
|
118
|
102
|
136
|
130
|
113
|
|
2025/09
|
29
|
35
|
23
|
13
|
18
|
49
|
50
|
32
|
25
|
41
|
12
|
20
|
30
|
33
|
42
|
32
|
23
|
17
|
13
|
25
|
33
|
13
|
15
|
24
|
35
|
35
|
20
|
19
|
27
|
40
|
|
|
2025/08
|
31
|
33
|
32
|
36
|
34
|
26
|
36
|
20
|
14
|
23
|
22
|
36
|
39
|
32
|
29
|
20
|
29
|
35
|
30
|
25
|
27
|
34
|
32
|
25
|
47
|
41
|
42
|
23
|
16
|
22
|
23
|
|
2025/07
|
14
|
18
|
22
|
29
|
17
|
22
|
25
|
33
|
30
|
39
|
50
|
52
|
45
|
40
|
35
|
43
|
31
|
40
|
41
|
36
|
27
|
27
|
17
|
22
|
27
|
30
|
31
|
30
|
31
|
32
|
34
|
|
2025/06
|
43
|
45
|
43
|
39
|
42
|
42
|
44
|
52
|
43
|
60
|
58
|
49
|
48
|
36
|
33
|
45
|
48
|
23
|
22
|
32
|
30
|
42
|
34
|
43
|
42
|
23
|
37
|
23
|
35
|
25
|
|
|
2025/05
|
68
|
82
|
62
|
54
|
115
|
195
|
143
|
90
|
77
|
44
|
40
|
47
|
58
|
57
|
48
|
55
|
107
|
90
|
87
|
68
|
73
|
63
|
81
|
61
|
49
|
43
|
65
|
66
|
70
|
50
|
41
|
|
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
|
|
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