Air Quality
Excellent
No health implications.
17
PM2.5
35
PM10
99
O3
0.5
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
59
Good
Sun
17 May
48
Excellent
Mon
18 May
57
Good
Tue
19 May
59
Good
Wed
20 May
70
Good
Thu
21 May
31
Excellent
Fri
22 May
16
Excellent
Air quality in the last 12 months (Laocheng)
|
2026/04
|
71
|
87
|
122
|
72
|
86
|
96
|
81
|
56
|
47
|
70
|
71
|
63
|
49
|
52
|
59
|
63
|
63
|
69
|
100
|
131
|
40
|
35
|
43
|
46
|
44
|
58
|
77
|
87
|
53
|
55
|
|
|
2026/03
|
43
|
63
|
111
|
174
|
111
|
82
|
52
|
76
|
112
|
134
|
172
|
125
|
187
|
132
|
51
|
76
|
104
|
73
|
71
|
83
|
110
|
118
|
99
|
100
|
68
|
81
|
80
|
92
|
71
|
77
|
82
|
|
2026/02
|
114
|
76
|
123
|
106
|
98
|
68
|
60
|
79
|
89
|
94
|
94
|
101
|
93
|
86
|
81
|
40
|
88
|
71
|
65
|
57
|
101
|
230
|
191
|
65
|
62
|
45
|
72
|
70
|
|||
|
2026/01
|
67
|
116
|
128
|
106
|
65
|
50
|
52
|
62
|
60
|
75
|
66
|
77
|
83
|
94
|
91
|
120
|
76
|
67
|
59
|
77
|
135
|
129
|
134
|
225
|
194
|
182
|
203
|
182
|
196
|
145
|
136
|
|
2025/12
|
151
|
105
|
59
|
69
|
82
|
85
|
102
|
87
|
124
|
171
|
137
|
52
|
87
|
78
|
73
|
121
|
201
|
190
|
180
|
160
|
93
|
81
|
99
|
95
|
61
|
100
|
108
|
120
|
91
|
155
|
68
|
|
2025/11
|
56
|
75
|
86
|
143
|
123
|
133
|
68
|
50
|
75
|
93
|
95
|
87
|
75
|
77
|
75
|
79
|
42
|
45
|
47
|
61
|
63
|
69
|
87
|
133
|
99
|
153
|
253
|
102
|
83
|
87
|
|
|
2025/10
|
30
|
20
|
43
|
54
|
25
|
22
|
34
|
46
|
20
|
28
|
32
|
37
|
37
|
68
|
62
|
63
|
19
|
33
|
47
|
41
|
48
|
65
|
90
|
109
|
52
|
66
|
134
|
134
|
165
|
153
|
124
|
|
2025/09
|
42
|
47
|
29
|
19
|
27
|
55
|
56
|
38
|
31
|
46
|
20
|
31
|
42
|
38
|
45
|
33
|
25
|
20
|
20
|
37
|
42
|
16
|
20
|
39
|
50
|
44
|
28
|
29
|
36
|
52
|
|
|
2025/08
|
39
|
37
|
47
|
42
|
40
|
25
|
34
|
27
|
24
|
35
|
28
|
46
|
48
|
43
|
38
|
26
|
37
|
41
|
38
|
32
|
29
|
43
|
43
|
31
|
61
|
51
|
47
|
37
|
26
|
36
|
36
|
|
2025/07
|
16
|
21
|
24
|
33
|
27
|
35
|
32
|
37
|
33
|
45
|
55
|
57
|
48
|
47
|
40
|
48
|
44
|
47
|
49
|
42
|
35
|
30
|
21
|
25
|
32
|
38
|
39
|
43
|
41
|
39
|
40
|
|
2025/06
|
48
|
50
|
50
|
43
|
46
|
50
|
50
|
56
|
42
|
66
|
64
|
54
|
57
|
49
|
44
|
49
|
51
|
32
|
35
|
40
|
36
|
49
|
39
|
45
|
55
|
32
|
48
|
37
|
37
|
31
|
|
|
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
|
|
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