Air Quality
Excellent
No health implications.
31
PM2.5
35
PM10
64
O3
0.6
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Mar
100
Good
Sun
8 Mar
103
Light
Mon
9 Mar
115
Light
Tue
10 Mar
110
Light
Wed
11 Mar
101
Light
Thu
12 Mar
97
Good
Fri
13 Mar
36
Excellent
Air quality in the last 12 months (Yiyang)
|
2026/02
|
108
|
74
|
105
|
98
|
99
|
67
|
54
|
75
|
79
|
91
|
96
|
101
|
97
|
82
|
78
|
36
|
83
|
66
|
58
|
54
|
100
|
241
|
201
|
56
|
53
|
46
|
62
|
60
|
|||
|
2026/01
|
70
|
115
|
131
|
101
|
57
|
38
|
48
|
55
|
55
|
73
|
63
|
71
|
76
|
88
|
87
|
105
|
80
|
66
|
60
|
72
|
115
|
121
|
125
|
210
|
184
|
174
|
161
|
171
|
190
|
144
|
128
|
|
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
|
|
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