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
28 Jul
Tue
29 Jul
Wed
30 Jul
Thu
31 Jul
Fri
1 Aug
Sat
2 Aug
Sun
3 Aug
Real-time AQI (Monitoring Station in Qinhuangdao)
第一关
3619
PM2.5
36
PM10
5
O3
0.2
CO
5
SO2
50
NO2
建设大厦
516
PM2.5
52 *
PM10
8
O3
0.4
CO
9
SO2
36
NO2
文明里
5518
PM2.5
60 *
PM10
1
O3
0.4
CO
6
SO2
58
NO2
北戴河轮滑馆
2315
PM2.5
23
PM10
38
O3
0.2
CO
2
SO2
6
NO2
Air quality in the last 12 months (Qinhuangdao)
|
2025/06
|
52
|
62
|
33
|
34
|
53
|
59
|
37
|
41
|
47
|
39
|
56
|
41
|
32
|
31
|
22
|
32
|
40
|
52
|
45
|
40
|
36
|
54
|
59
|
52
|
46
|
48
|
35
|
24
|
62
|
52
|
|
|
2025/05
|
49
|
44
|
34
|
49
|
48
|
42
|
57
|
60
|
42
|
38
|
71
|
75
|
68
|
55
|
54
|
47
|
47
|
44
|
74
|
77
|
63
|
66
|
48
|
44
|
46
|
65
|
95
|
62
|
57
|
67
|
66
|
|
2025/04
|
74
|
28
|
52
|
59
|
34
|
49
|
74
|
46
|
39
|
68
|
65
|
91
|
36
|
28
|
54
|
66
|
74
|
39
|
40
|
59
|
54
|
38
|
72
|
50
|
54
|
71
|
51
|
53
|
67
|
84
|
|
|
2025/03
|
117
|
50
|
29
|
51
|
73
|
38
|
49
|
83
|
170
|
107
|
113
|
61
|
54
|
50
|
32
|
29
|
42
|
32
|
51
|
40
|
41
|
49
|
81
|
90
|
71
|
92
|
85
|
35
|
43
|
42
|
74
|
|
2025/02
|
64
|
89
|
44
|
28
|
28
|
42
|
24
|
25
|
43
|
69
|
105
|
59
|
69
|
77
|
111
|
41
|
29
|
38
|
42
|
40
|
36
|
39
|
30
|
54
|
69
|
67
|
127
|
206
|
|||
|
2025/01
|
46
|
42
|
36
|
78
|
84
|
40
|
24
|
27
|
31
|
36
|
47
|
57
|
66
|
34
|
37
|
46
|
74
|
99
|
61
|
69
|
61
|
47
|
55
|
82
|
78
|
101
|
27
|
53
|
71
|
39
|
39
|
|
2024/12
|
73
|
34
|
47
|
27
|
33
|
33
|
33
|
36
|
54
|
49
|
35
|
69
|
40
|
30
|
35
|
36
|
30
|
32
|
56
|
59
|
34
|
44
|
49
|
68
|
99
|
30
|
28
|
34
|
68
|
72
|
46
|
|
2024/11
|
89
|
51
|
89
|
33
|
45
|
36
|
66
|
82
|
92
|
87
|
41
|
52
|
48
|
37
|
37
|
51
|
32
|
32
|
51
|
75
|
42
|
37
|
41
|
78
|
68
|
22
|
23
|
28
|
31
|
42
|
|
|
2024/10
|
24
|
23
|
37
|
59
|
71
|
66
|
34
|
38
|
57
|
43
|
62
|
62
|
57
|
66
|
64
|
30
|
55
|
39
|
25
|
25
|
44
|
37
|
47
|
96
|
94
|
98
|
61
|
62
|
92
|
47
|
81
|
|
2024/09
|
26
|
21
|
30
|
37
|
27
|
24
|
35
|
45
|
50
|
21
|
20
|
24
|
32
|
26
|
22
|
46
|
48
|
26
|
38
|
27
|
21
|
27
|
41
|
55
|
49
|
28
|
43
|
47
|
42
|
25
|
|
|
2024/08
|
43
|
44
|
61
|
27
|
36
|
41
|
48
|
60
|
52
|
35
|
66
|
52
|
28
|
28
|
35
|
45
|
49
|
44
|
28
|
20
|
26
|
42
|
28
|
31
|
45
|
25
|
27
|
24
|
45
|
58
|
33
|
|
2024/07
|
46
|
49
|
38
|
51
|
82
|
42
|
36
|
48
|
60
|
59
|
73
|
65
|
64
|
61
|
51
|
36
|
34
|
54
|
58
|
44
|
50
|
40
|
51
|
59
|
34
|
27
|
28
|
33
|
51
|
45
|
52
|
|
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