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
23 Oct
Fri
24 Oct
Sat
25 Oct
Sun
26 Oct
Mon
27 Oct
Tue
28 Oct
Wed
29 Oct
Real-time AQI (Monitoring Station in Dalian)
甘井子
5220
PM2.5
53 *
PM10
71
O3
0.2
CO
6
SO2
22
NO2
周水子
3319
PM2.5
33
PM10
78
O3
0.3
CO
6
SO2
23
NO2
星海三站
3119
PM2.5
31
PM10
77
O3
0.3
CO
9
SO2
11
NO2
青泥洼桥
4319
PM2.5
43
PM10
61
O3
0.2
CO
9
SO2
30
NO2
傅家庄
3516
PM2.5
35
PM10
68
O3
0.4
CO
5
SO2
17
NO2
七贤岭
3318
PM2.5
33
PM10
76
O3
0.4
CO
6
SO2
15
NO2
旅顺
2614
PM2.5
26
PM10
75
O3
0.2
CO
8
SO2
8
NO2
金州
5028
PM2.5
50
PM10
76
O3
0.3
CO
7
SO2
25
NO2
开发区
3321
PM2.5
33
PM10
68
O3
0.6
CO
5
SO2
19
NO2
双D港
5539 *
PM2.5
57
PM10
70
O3
0.7
CO
10
SO2
24
NO2
Air quality in the last 12 months (Dalian)
|
2025/08
|
15
|
22
|
20
|
21
|
28
|
25
|
20
|
24
|
16
|
19
|
29
|
23
|
18
|
23
|
17
|
14
|
12
|
29
|
25
|
21
|
27
|
21
|
37
|
33
|
20
|
17
|
23
|
22
|
19
|
19
|
14
|
|
2025/07
|
28
|
16
|
29
|
37
|
50
|
33
|
31
|
16
|
32
|
36
|
24
|
22
|
27
|
24
|
23
|
16
|
19
|
27
|
22
|
16
|
16
|
13
|
18
|
24
|
29
|
21
|
24
|
24
|
18
|
20
|
21
|
|
2025/06
|
50
|
51
|
30
|
30
|
33
|
57
|
47
|
37
|
28
|
23
|
28
|
21
|
19
|
17
|
21
|
23
|
34
|
38
|
31
|
22
|
27
|
36
|
32
|
30
|
31
|
26
|
30
|
62
|
32
|
26
|
|
|
2025/05
|
48
|
31
|
23
|
39
|
38
|
30
|
36
|
37
|
34
|
33
|
49
|
57
|
56
|
51
|
48
|
27
|
41
|
35
|
45
|
43
|
44
|
69
|
49
|
50
|
52
|
52
|
43
|
44
|
38
|
52
|
50
|
|
2025/04
|
70
|
62
|
52
|
48
|
40
|
46
|
53
|
54
|
45
|
56
|
41
|
52
|
30
|
21
|
27
|
52
|
60
|
34
|
44
|
57
|
44
|
29
|
34
|
39
|
29
|
59
|
45
|
32
|
51
|
64
|
|
|
2025/03
|
65
|
69
|
60
|
37
|
37
|
48
|
52
|
80
|
118
|
107
|
58
|
61
|
50
|
47
|
69
|
45
|
45
|
36
|
53
|
92
|
50
|
61
|
81
|
90
|
106
|
92
|
70
|
33
|
33
|
35
|
56
|
|
2025/02
|
55
|
75
|
30
|
24
|
26
|
36
|
44
|
47
|
33
|
50
|
56
|
40
|
60
|
84
|
110
|
59
|
27
|
27
|
35
|
34
|
36
|
28
|
27
|
36
|
69
|
73
|
115
|
122
|
|||
|
2025/01
|
42
|
35
|
26
|
80
|
150
|
33
|
22
|
32
|
41
|
30
|
39
|
54
|
65
|
51
|
30
|
46
|
40
|
86
|
95
|
45
|
58
|
42
|
33
|
58
|
108
|
113
|
54
|
44
|
72
|
30
|
51
|
|
2024/12
|
58
|
29
|
27
|
26
|
22
|
23
|
23
|
24
|
32
|
43
|
31
|
47
|
47
|
28
|
22
|
32
|
29
|
31
|
32
|
71
|
33
|
28
|
35
|
46
|
84
|
33
|
26
|
25
|
44
|
73
|
41
|
|
2024/11
|
76
|
53
|
70
|
34
|
24
|
26
|
44
|
36
|
41
|
63
|
27
|
39
|
23
|
26
|
48
|
32
|
16
|
20
|
38
|
76
|
49
|
30
|
33
|
33
|
25
|
15
|
34
|
31
|
32
|
28
|
|
|
2024/10
|
10
|
16
|
21
|
27
|
32
|
46
|
32
|
31
|
18
|
30
|
26
|
54
|
42
|
25
|
27
|
19
|
28
|
43
|
45
|
38
|
33
|
33
|
28
|
72
|
69
|
71
|
44
|
28
|
43
|
44
|
70
|
|
2024/09
|
31
|
20
|
27
|
26
|
21
|
17
|
23
|
37
|
27
|
31
|
26
|
34
|
50
|
31
|
31
|
40
|
37
|
44
|
33
|
27
|
22
|
22
|
29
|
24
|
43
|
34
|
32
|
33
|
24
|
25
|
|
|
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