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
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Fri
22 May
Sat
23 May
Real-time AQI (Monitoring Station in Liaoyuan)
环保局
383
PM2.5
27
PM10
121
O3
0.4
CO
8
SO2
4
NO2
安宁大街333号
507
PM2.5
50
PM10
108
O3
0.2
CO
4
SO2
13
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