Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
49
PM10
172
O3
0.5
CO
4
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 May
95
Good
Mon
26 May
97
Good
Tue
27 May
99
Good
Wed
28 May
95
Good
Thu
29 May
100
Good
Fri
30 May
112
Light
Sat
31 May
32
Excellent
Air quality in the last 12 months (Yongcheng)
|
2025/04
|
67
|
50
|
55
|
67
|
89
|
77
|
71
|
80
|
83
|
93
|
66
|
208
|
87
|
57
|
57
|
61
|
79
|
78
|
57
|
56
|
45
|
66
|
88
|
89
|
60
|
57
|
61
|
49
|
56
|
63
|
|
|
2025/03
|
119
|
46
|
40
|
62
|
68
|
80
|
72
|
91
|
97
|
94
|
111
|
143
|
97
|
51
|
65
|
47
|
52
|
52
|
60
|
61
|
55
|
65
|
81
|
163
|
82
|
77
|
120
|
137
|
66
|
61
|
73
|
|
2025/02
|
130
|
143
|
140
|
81
|
57
|
58
|
74
|
41
|
55
|
67
|
102
|
121
|
119
|
80
|
96
|
83
|
60
|
71
|
78
|
50
|
51
|
86
|
88
|
43
|
73
|
110
|
105
|
100
|
|||
|
2025/01
|
118
|
185
|
112
|
142
|
153
|
74
|
67
|
67
|
49
|
59
|
83
|
77
|
102
|
134
|
59
|
75
|
99
|
110
|
136
|
122
|
154
|
182
|
96
|
72
|
70
|
88
|
44
|
84
|
181
|
103
|
151
|
|
2024/12
|
85
|
108
|
61
|
99
|
143
|
143
|
132
|
53
|
61
|
92
|
116
|
81
|
102
|
82
|
72
|
83
|
104
|
59
|
61
|
104
|
75
|
58
|
86
|
111
|
141
|
162
|
89
|
76
|
66
|
100
|
116
|
|
2024/11
|
113
|
98
|
101
|
85
|
55
|
71
|
52
|
44
|
49
|
62
|
57
|
68
|
73
|
64
|
74
|
62
|
41
|
36
|
34
|
46
|
72
|
79
|
46
|
42
|
46
|
49
|
66
|
58
|
56
|
71
|
|
|
2024/10
|
35
|
37
|
43
|
47
|
37
|
38
|
31
|
56
|
57
|
80
|
77
|
86
|
73
|
97
|
95
|
77
|
38
|
19
|
36
|
38
|
55
|
65
|
75
|
58
|
61
|
62
|
106
|
98
|
103
|
88
|
74
|
|
2024/09
|
44
|
37
|
32
|
41
|
51
|
29
|
37
|
35
|
32
|
38
|
45
|
27
|
41
|
57
|
27
|
45
|
25
|
15
|
21
|
25
|
26
|
30
|
35
|
42
|
45
|
50
|
51
|
37
|
37
|
35
|
|
|
2024/08
|
21
|
20
|
27
|
28
|
28
|
14
|
27
|
22
|
37
|
52
|
107
|
48
|
47
|
46
|
31
|
32
|
31
|
35
|
24
|
27
|
38
|
45
|
46
|
46
|
48
|
39
|
13
|
27
|
30
|
34
|
36
|
|
2024/07
|
37
|
33
|
30
|
10
|
20
|
15
|
25
|
26
|
18
|
61
|
57
|
42
|
36
|
22
|
18
|
25
|
16
|
17
|
24
|
17
|
25
|
28
|
31
|
37
|
28
|
23
|
15
|
14
|
14
|
20
|
24
|
|
2024/06
|
52
|
66
|
80
|
71
|
68
|
54
|
52
|
62
|
66
|
59
|
44
|
49
|
58
|
56
|
56
|
57
|
42
|
48
|
51
|
50
|
35
|
44
|
52
|
96
|
87
|
48
|
59
|
31
|
20
|
27
|
|
|
2024/05
|
50
|
49
|
48
|
44
|
51
|
54
|
54
|
51
|
55
|
58
|
114
|
119
|
101
|
74
|
76
|
60
|
66
|
73
|
61
|
54
|
44
|
42
|
47
|
55
|
51
|
58
|
48
|
48
|
58
|
56
|
90
|
|
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