Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
93
O3
0.5
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Sep
59
Good
Sat
13 Sep
86
Good
Sun
14 Sep
88
Good
Mon
15 Sep
88
Good
Tue
16 Sep
65
Good
Wed
17 Sep
65
Good
Thu
18 Sep
35
Excellent
Air quality in the last 12 months (Yicheng)
|
2025/08
|
17
|
25
|
36
|
43
|
39
|
41
|
48
|
34
|
19
|
20
|
14
|
23
|
17
|
27
|
38
|
35
|
34
|
44
|
40
|
40
|
36
|
37
|
36
|
30
|
52
|
48
|
37
|
46
|
53
|
26
|
21
|
|
2025/07
|
32
|
32
|
33
|
29
|
33
|
37
|
40
|
30
|
32
|
43
|
41
|
34
|
46
|
27
|
42
|
34
|
37
|
37
|
44
|
28
|
27
|
26
|
25
|
23
|
30
|
24
|
22
|
26
|
26
|
29
|
25
|
|
2025/06
|
49
|
34
|
57
|
64
|
79
|
76
|
56
|
88
|
70
|
53
|
105
|
59
|
60
|
42
|
46
|
54
|
49
|
49
|
27
|
17
|
33
|
49
|
44
|
37
|
54
|
50
|
32
|
21
|
9
|
24
|
|
|
2025/05
|
68
|
76
|
51
|
56
|
50
|
74
|
71
|
52
|
16
|
29
|
51
|
58
|
58
|
66
|
82
|
80
|
93
|
63
|
80
|
67
|
69
|
70
|
65
|
48
|
57
|
60
|
69
|
52
|
56
|
55
|
73
|
|
2025/04
|
72
|
52
|
58
|
79
|
64
|
69
|
79
|
92
|
85
|
89
|
65
|
121
|
71
|
67
|
58
|
69
|
84
|
96
|
63
|
70
|
48
|
77
|
84
|
90
|
67
|
59
|
64
|
64
|
63
|
75
|
|
|
2025/03
|
99
|
24
|
44
|
65
|
97
|
83
|
88
|
100
|
102
|
104
|
127
|
164
|
83
|
64
|
66
|
47
|
56
|
50
|
62
|
74
|
63
|
59
|
89
|
105
|
115
|
103
|
107
|
158
|
53
|
53
|
71
|
|
2025/02
|
107
|
126
|
104
|
58
|
62
|
61
|
66
|
45
|
66
|
79
|
100
|
89
|
97
|
104
|
121
|
97
|
59
|
68
|
67
|
55
|
68
|
73
|
59
|
66
|
84
|
130
|
141
|
165
|
|||
|
2025/01
|
135
|
124
|
82
|
144
|
165
|
73
|
58
|
57
|
52
|
51
|
102
|
124
|
131
|
119
|
56
|
74
|
95
|
143
|
140
|
152
|
195
|
143
|
66
|
61
|
85
|
105
|
52
|
50
|
140
|
92
|
117
|
|
2024/12
|
103
|
102
|
53
|
136
|
192
|
163
|
122
|
54
|
80
|
103
|
83
|
58
|
94
|
77
|
85
|
105
|
123
|
51
|
64
|
107
|
76
|
56
|
88
|
123
|
151
|
149
|
78
|
74
|
80
|
128
|
129
|
|
2024/11
|
69
|
73
|
115
|
78
|
44
|
69
|
57
|
51
|
40
|
70
|
84
|
128
|
117
|
84
|
69
|
86
|
49
|
42
|
52
|
65
|
86
|
61
|
41
|
49
|
33
|
48
|
56
|
58
|
62
|
89
|
|
|
2024/10
|
31
|
33
|
43
|
61
|
45
|
30
|
54
|
72
|
65
|
82
|
107
|
98
|
72
|
75
|
92
|
87
|
32
|
15
|
34
|
42
|
56
|
66
|
58
|
65
|
71
|
53
|
110
|
55
|
76
|
98
|
97
|
|
2024/09
|
50
|
35
|
35
|
51
|
56
|
33
|
45
|
35
|
37
|
44
|
41
|
31
|
48
|
50
|
37
|
39
|
26
|
20
|
23
|
26
|
26
|
36
|
34
|
62
|
58
|
77
|
71
|
39
|
38
|
36
|
|
|
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