Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
Mon
25 May
Tue
26 May
Wed
27 May
Thu
28 May
Fri
29 May
Sat
30 May
Real-time AQI (Monitoring Station in Liaoyuan)
环保局
4411
PM2.5
28
PM10
138
O3
0.5
CO
9
SO2
7
NO2
安宁大街333号
5313
PM2.5
54 *
PM10
148
O3
0.3
CO
2
SO2
9
NO2
Air quality in the last 12 months (Liaoyuan)
|
2026/04
|
87
|
110
|
91
|
39
|
40
|
34
|
30
|
53
|
55
|
53
|
47
|
64
|
46
|
55
|
53
|
57
|
49
|
44
|
75
|
109
|
69
|
41
|
42
|
67
|
60
|
37
|
33
|
32
|
34
|
42
|
|
|
2026/03
|
97
|
147
|
133
|
59
|
50
|
40
|
50
|
84
|
66
|
70
|
82
|
88
|
77
|
163
|
212
|
139
|
157
|
50
|
51
|
73
|
103
|
163
|
106
|
87
|
117
|
150
|
96
|
115
|
107
|
43
|
58
|
|
2026/02
|
89
|
78
|
68
|
139
|
157
|
41
|
60
|
55
|
61
|
84
|
71
|
104
|
123
|
92
|
53
|
80
|
147
|
47
|
43
|
54
|
69
|
169
|
56
|
51
|
67
|
69
|
83
|
52
|
|||
|
2026/01
|
77
|
78
|
92
|
101
|
63
|
62
|
57
|
70
|
76
|
59
|
45
|
44
|
31
|
51
|
52
|
93
|
60
|
62
|
39
|
58
|
60
|
46
|
51
|
63
|
81
|
76
|
66
|
67
|
83
|
89
|
90
|
|
2025/12
|
66
|
47
|
54
|
59
|
55
|
68
|
68
|
54
|
72
|
95
|
87
|
82
|
72
|
88
|
77
|
72
|
81
|
63
|
53
|
50
|
52
|
55
|
48
|
79
|
61
|
67
|
87
|
81
|
44
|
53
|
56
|
|
2025/11
|
71
|
39
|
43
|
54
|
75
|
68
|
87
|
107
|
51
|
50
|
103
|
105
|
63
|
107
|
137
|
72
|
47
|
50
|
60
|
53
|
67
|
81
|
115
|
195
|
179
|
110
|
65
|
56
|
53
|
52
|
|
|
2025/10
|
48
|
58
|
51
|
43
|
39
|
33
|
44
|
47
|
47
|
46
|
51
|
55
|
60
|
98
|
77
|
64
|
67
|
45
|
55
|
51
|
64
|
78
|
92
|
89
|
133
|
88
|
83
|
139
|
179
|
48
|
69
|
|
2025/09
|
29
|
39
|
38
|
35
|
32
|
22
|
34
|
36
|
32
|
32
|
36
|
42
|
43
|
37
|
24
|
27
|
32
|
36
|
39
|
38
|
40
|
39
|
40
|
28
|
37
|
38
|
38
|
35
|
41
|
41
|
|
|
2025/08
|
27
|
27
|
20
|
20
|
22
|
17
|
20
|
22
|
23
|
22
|
25
|
26
|
26
|
27
|
35
|
22
|
18
|
26
|
38
|
29
|
25
|
15
|
30
|
22
|
16
|
23
|
26
|
20
|
20
|
36
|
34
|
|
2025/07
|
17
|
18
|
14
|
14
|
19
|
18
|
26
|
27
|
32
|
35
|
27
|
29
|
21
|
19
|
16
|
19
|
25
|
21
|
21
|
19
|
19
|
29
|
16
|
16
|
24
|
29
|
34
|
22
|
20
|
15
|
27
|
|
2025/06
|
36
|
38
|
22
|
16
|
27
|
29
|
23
|
29
|
29
|
15
|
18
|
32
|
25
|
25
|
33
|
18
|
27
|
27
|
25
|
18
|
15
|
20
|
30
|
37
|
39
|
34
|
45
|
31
|
30
|
23
|
|
|
2025/05
|
23
|
26
|
22
|
24
|
33
|
31
|
44
|
47
|
41
|
32
|
41
|
46
|
45
|
39
|
33
|
27
|
22
|
28
|
26
|
33
|
43
|
47
|
38
|
39
|
32
|
35
|
47
|
42
|
42
|
46
|
51
|
|
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
*: primary pollution