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
18 Jun
Thu
19 Jun
Fri
20 Jun
Sat
21 Jun
Sun
22 Jun
Mon
23 Jun
Tue
24 Jun
Liaoyuan Air quality rank
Real-time AQI (Monitoring Station in Liaoyuan)
环保局
4211
PM2.5
25
PM10
134
O3
0.2
CO
3
SO2
4
NO2
银鹰制药
427
PM2.5
18
PM10
134
O3
0.3
CO
4
SO2
9
NO2
Air quality in the last 12 months (Liaoyuan)
|
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
|
|
2025/04
|
54
|
47
|
71
|
63
|
33
|
28
|
46
|
52
|
63
|
64
|
56
|
25
|
12
|
26
|
34
|
39
|
45
|
32
|
34
|
48
|
61
|
18
|
37
|
70
|
75
|
105
|
74
|
56
|
61
|
52
|
|
|
2025/03
|
84
|
29
|
37
|
32
|
56
|
61
|
48
|
56
|
77
|
60
|
49
|
88
|
35
|
52
|
64
|
67
|
82
|
70
|
65
|
69
|
67
|
168
|
148
|
88
|
119
|
84
|
45
|
37
|
32
|
45
|
57
|
|
2025/02
|
131
|
144
|
58
|
72
|
90
|
95
|
57
|
32
|
58
|
80
|
67
|
63
|
72
|
73
|
77
|
45
|
32
|
56
|
67
|
65
|
62
|
61
|
57
|
54
|
70
|
44
|
61
|
82
|
|||
|
2025/01
|
32
|
32
|
52
|
67
|
88
|
84
|
57
|
40
|
59
|
63
|
82
|
103
|
88
|
59
|
33
|
52
|
59
|
56
|
61
|
76
|
84
|
88
|
95
|
90
|
85
|
95
|
67
|
68
|
73
|
61
|
101
|
|
2024/12
|
40
|
20
|
23
|
24
|
25
|
29
|
41
|
47
|
60
|
67
|
55
|
53
|
68
|
40
|
30
|
35
|
48
|
58
|
62
|
64
|
65
|
50
|
61
|
47
|
47
|
32
|
31
|
38
|
49
|
49
|
34
|
|
2024/11
|
93
|
143
|
119
|
31
|
18
|
29
|
42
|
54
|
42
|
32
|
35
|
38
|
50
|
21
|
26
|
35
|
25
|
33
|
35
|
51
|
54
|
57
|
72
|
55
|
39
|
58
|
31
|
42
|
34
|
55
|
|
|
2024/10
|
19
|
28
|
27
|
34
|
44
|
45
|
32
|
40
|
45
|
25
|
31
|
41
|
62
|
45
|
20
|
36
|
68
|
41
|
26
|
45
|
18
|
34
|
36
|
53
|
77
|
88
|
34
|
45
|
70
|
76
|
81
|
|
2024/09
|
16
|
20
|
23
|
21
|
23
|
19
|
21
|
23
|
26
|
18
|
27
|
27
|
24
|
19
|
36
|
31
|
31
|
34
|
24
|
15
|
19
|
31
|
28
|
26
|
22
|
28
|
36
|
37
|
32
|
15
|
|
|
2024/08
|
17
|
17
|
16
|
24
|
12
|
15
|
27
|
33
|
25
|
27
|
22
|
24
|
18
|
20
|
27
|
29
|
35
|
32
|
21
|
23
|
12
|
13
|
21
|
28
|
18
|
23
|
23
|
22
|
24
|
29
|
21
|
|
2024/07
|
48
|
45
|
10
|
30
|
40
|
27
|
25
|
52
|
40
|
46
|
57
|
58
|
58
|
54
|
54
|
28
|
11
|
24
|
26
|
19
|
23
|
15
|
22
|
11
|
14
|
8
|
9
|
9
|
13
|
22
|
18
|
|
2024/06
|
23
|
18
|
33
|
27
|
34
|
21
|
24
|
18
|
23
|
25
|
29
|
31
|
29
|
14
|
15
|
18
|
25
|
31
|
38
|
29
|
32
|
44
|
34
|
8
|
13
|
24
|
36
|
30
|
18
|
24
|
|
|
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