Air Quality
Excellent
No health implications.
13
PM2.5
23
PM10
57
O3
0.4
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
61
Good
Fri
20 Jun
81
Good
Sat
21 Jun
101
Light
Sun
22 Jun
104
Light
Mon
23 Jun
114
Light
Tue
24 Jun
115
Light
Wed
25 Jun
30
Excellent
Laocheng Air quality rank
Air quality in the last 12 months (Laocheng)
|
2025/05
|
70
|
98
|
61
|
55
|
131
|
191
|
145
|
89
|
97
|
43
|
46
|
48
|
61
|
57
|
47
|
58
|
122
|
85
|
91
|
72
|
83
|
67
|
93
|
70
|
49
|
46
|
66
|
67
|
72
|
48
|
45
|
|
2025/04
|
70
|
62
|
66
|
99
|
75
|
84
|
87
|
96
|
106
|
107
|
99
|
235
|
133
|
54
|
55
|
107
|
123
|
112
|
81
|
92
|
67
|
153
|
132
|
72
|
68
|
77
|
64
|
56
|
48
|
123
|
|
|
2025/03
|
125
|
47
|
38
|
50
|
85
|
106
|
76
|
92
|
114
|
127
|
116
|
136
|
164
|
88
|
53
|
45
|
46
|
49
|
50
|
46
|
49
|
67
|
93
|
263
|
167
|
242
|
127
|
164
|
73
|
53
|
71
|
|
2025/02
|
104
|
152
|
104
|
46
|
44
|
63
|
59
|
36
|
71
|
119
|
145
|
77
|
63
|
74
|
77
|
69
|
79
|
95
|
59
|
70
|
116
|
131
|
111
|
101
|
83
|
79
|
111
|
162
|
|||
|
2025/01
|
154
|
175
|
152
|
165
|
105
|
61
|
69
|
53
|
63
|
84
|
75
|
60
|
93
|
91
|
40
|
54
|
95
|
113
|
106
|
146
|
199
|
217
|
84
|
121
|
114
|
63
|
34
|
61
|
212
|
195
|
127
|
|
2024/12
|
66
|
71
|
64
|
103
|
55
|
59
|
62
|
78
|
125
|
134
|
132
|
147
|
67
|
53
|
51
|
65
|
106
|
88
|
90
|
110
|
53
|
86
|
122
|
152
|
123
|
124
|
92
|
47
|
67
|
75
|
89
|
|
2024/11
|
87
|
91
|
79
|
73
|
51
|
89
|
130
|
94
|
81
|
127
|
180
|
226
|
177
|
85
|
106
|
70
|
39
|
57
|
41
|
55
|
64
|
98
|
139
|
100
|
53
|
46
|
65
|
50
|
43
|
55
|
|
|
2024/10
|
64
|
53
|
62
|
67
|
77
|
92
|
118
|
158
|
145
|
75
|
104
|
150
|
158
|
130
|
130
|
138
|
104
|
20
|
32
|
25
|
43
|
29
|
46
|
74
|
107
|
93
|
49
|
167
|
168
|
174
|
234
|
|
2024/09
|
46
|
22
|
38
|
54
|
38
|
27
|
46
|
64
|
65
|
41
|
26
|
34
|
40
|
57
|
38
|
48
|
56
|
42
|
26
|
37
|
19
|
31
|
52
|
67
|
81
|
117
|
119
|
78
|
51
|
18
|
|
|
2024/08
|
25
|
32
|
26
|
16
|
28
|
22
|
24
|
30
|
35
|
141
|
65
|
30
|
38
|
35
|
43
|
49
|
41
|
31
|
27
|
23
|
24
|
38
|
48
|
47
|
36
|
32
|
17
|
26
|
37
|
46
|
45
|
|
2024/07
|
28
|
25
|
50
|
26
|
24
|
27
|
40
|
22
|
40
|
64
|
45
|
40
|
43
|
68
|
62
|
38
|
27
|
15
|
29
|
30
|
34
|
29
|
28
|
43
|
57
|
32
|
31
|
29
|
13
|
14
|
17
|
|
2024/06
|
65
|
41
|
49
|
68
|
41
|
69
|
61
|
57
|
49
|
52
|
55
|
71
|
65
|
50
|
53
|
43
|
28
|
43
|
48
|
50
|
28
|
43
|
57
|
100
|
96
|
75
|
56
|
55
|
36
|
49
|
|
|
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