Air Quality
Excellent
No health implications.
16
PM2.5
43
PM10
82
O3
0.5
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
85
Good
Fri
1 May
88
Good
Sat
2 May
56
Good
Sun
3 May
71
Good
Mon
4 May
79
Good
Tue
5 May
82
Good
Wed
6 May
50
Excellent
Air quality in the last 12 months (Yicheng)
|
2026/03
|
44
|
61
|
60
|
96
|
83
|
94
|
80
|
94
|
123
|
92
|
123
|
189
|
94
|
122
|
47
|
116
|
93
|
79
|
76
|
83
|
77
|
78
|
102
|
101
|
78
|
66
|
57
|
65
|
80
|
65
|
85
|
|
2026/02
|
87
|
92
|
110
|
96
|
127
|
93
|
76
|
85
|
64
|
84
|
101
|
88
|
84
|
77
|
99
|
62
|
117
|
67
|
66
|
51
|
51
|
218
|
240
|
59
|
40
|
37
|
88
|
67
|
|||
|
2026/01
|
64
|
101
|
100
|
92
|
164
|
54
|
42
|
66
|
56
|
85
|
58
|
74
|
102
|
116
|
76
|
108
|
111
|
58
|
67
|
53
|
55
|
103
|
103
|
138
|
185
|
166
|
163
|
97
|
111
|
104
|
103
|
|
2025/12
|
152
|
109
|
68
|
74
|
124
|
91
|
91
|
124
|
136
|
146
|
203
|
59
|
75
|
81
|
64
|
116
|
209
|
213
|
150
|
197
|
150
|
58
|
80
|
92
|
97
|
75
|
88
|
90
|
128
|
199
|
123
|
|
2025/11
|
61
|
96
|
119
|
102
|
95
|
108
|
34
|
49
|
77
|
99
|
79
|
67
|
103
|
130
|
109
|
122
|
39
|
28
|
31
|
45
|
73
|
61
|
70
|
124
|
118
|
83
|
268
|
87
|
71
|
84
|
|
|
2025/10
|
31
|
9
|
33
|
37
|
43
|
22
|
34
|
69
|
32
|
11
|
18
|
26
|
29
|
43
|
27
|
47
|
12
|
38
|
51
|
47
|
58
|
67
|
70
|
97
|
107
|
76
|
99
|
73
|
96
|
92
|
138
|
|
2025/09
|
30
|
37
|
43
|
38
|
34
|
47
|
40
|
26
|
27
|
27
|
18
|
15
|
36
|
25
|
25
|
32
|
24
|
19
|
9
|
28
|
43
|
17
|
11
|
28
|
40
|
19
|
20
|
33
|
23
|
22
|
|
|
2025/08
|
32
|
23
|
26
|
32
|
45
|
35
|
25
|
26
|
19
|
32
|
17
|
16
|
21
|
22
|
29
|
22
|
26
|
32
|
33
|
21
|
19
|
24
|
26
|
36
|
30
|
24
|
33
|
39
|
31
|
36
|
28
|
|
2025/07
|
22
|
16
|
15
|
18
|
29
|
30
|
37
|
46
|
25
|
40
|
57
|
39
|
30
|
26
|
30
|
46
|
47
|
42
|
39
|
39
|
37
|
26
|
10
|
20
|
24
|
31
|
28
|
23
|
28
|
33
|
40
|
|
2025/06
|
46
|
50
|
61
|
45
|
49
|
41
|
50
|
49
|
40
|
40
|
41
|
51
|
48
|
38
|
34
|
45
|
49
|
29
|
16
|
28
|
43
|
18
|
37
|
30
|
41
|
27
|
20
|
20
|
14
|
22
|
|
|
2025/05
|
72
|
99
|
55
|
52
|
81
|
225
|
187
|
81
|
78
|
43
|
43
|
47
|
55
|
49
|
73
|
59
|
209
|
102
|
94
|
75
|
66
|
81
|
67
|
61
|
51
|
64
|
75
|
70
|
61
|
43
|
32
|
|
2025/04
|
66
|
66
|
61
|
81
|
73
|
82
|
78
|
81
|
106
|
104
|
69
|
251
|
122
|
68
|
53
|
74
|
79
|
79
|
53
|
68
|
66
|
68
|
89
|
92
|
72
|
72
|
73
|
49
|
50
|
69
|
|
|
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