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 Oct
Sat
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Real-time AQI (Monitoring Station in Weihai)
华夏技校
3523
PM2.5
31
PM10
111
O3
0.2
CO
5
SO2
15
NO2
山大分校
3222
PM2.5
32
PM10
96
O3
0.6
CO
6
SO2
13
NO2
市监测站
4632
PM2.5
39
PM10
112
O3
0.6
CO
6
SO2
9
NO2
临港区管委会
3923
PM2.5
39
PM10
119
O3
0.4
CO
3
SO2
10
NO2
Air quality in the last 12 months (Weihai)
|
2025/08
|
11
|
19
|
10
|
12
|
16
|
12
|
15
|
19
|
12
|
12
|
16
|
11
|
19
|
20
|
12
|
16
|
22
|
24
|
18
|
24
|
18
|
19
|
34
|
19
|
14
|
14
|
21
|
15
|
10
|
14
|
7
|
|
2025/07
|
22
|
21
|
27
|
35
|
32
|
28
|
21
|
11
|
30
|
35
|
25
|
21
|
23
|
22
|
15
|
14
|
14
|
15
|
16
|
13
|
11
|
11
|
10
|
18
|
18
|
19
|
22
|
15
|
10
|
11
|
11
|
|
2025/06
|
36
|
25
|
24
|
22
|
37
|
47
|
31
|
25
|
22
|
17
|
20
|
16
|
10
|
12
|
17
|
31
|
27
|
33
|
12
|
15
|
30
|
20
|
20
|
26
|
27
|
36
|
39
|
34
|
20
|
20
|
|
|
2025/05
|
47
|
30
|
17
|
30
|
21
|
19
|
31
|
38
|
29
|
30
|
32
|
49
|
47
|
35
|
35
|
27
|
26
|
31
|
55
|
66
|
23
|
55
|
51
|
34
|
42
|
48
|
58
|
32
|
32
|
43
|
36
|
|
2025/04
|
51
|
42
|
41
|
35
|
34
|
34
|
65
|
46
|
38
|
38
|
29
|
62
|
62
|
22
|
31
|
60
|
80
|
32
|
27
|
44
|
22
|
24
|
32
|
47
|
35
|
61
|
51
|
35
|
54
|
60
|
|
|
2025/03
|
59
|
57
|
31
|
11
|
19
|
40
|
45
|
73
|
109
|
75
|
28
|
67
|
63
|
45
|
45
|
36
|
39
|
35
|
45
|
50
|
47
|
57
|
68
|
98
|
128
|
130
|
71
|
29
|
29
|
32
|
55
|
|
2025/02
|
31
|
49
|
22
|
22
|
18
|
38
|
21
|
32
|
23
|
48
|
35
|
25
|
55
|
64
|
80
|
76
|
22
|
22
|
25
|
31
|
30
|
22
|
21
|
36
|
57
|
84
|
79
|
88
|
|||
|
2025/01
|
56
|
21
|
22
|
50
|
124
|
31
|
20
|
23
|
18
|
19
|
27
|
46
|
74
|
65
|
26
|
47
|
46
|
65
|
131
|
40
|
75
|
35
|
24
|
21
|
53
|
51
|
45
|
17
|
36
|
27
|
29
|
|
2024/12
|
51
|
38
|
20
|
31
|
43
|
26
|
14
|
22
|
44
|
51
|
23
|
28
|
31
|
26
|
27
|
33
|
21
|
23
|
19
|
72
|
26
|
24
|
36
|
21
|
77
|
35
|
25
|
27
|
55
|
76
|
39
|
|
2024/11
|
52
|
53
|
28
|
45
|
15
|
16
|
32
|
37
|
44
|
50
|
42
|
54
|
20
|
27
|
18
|
36
|
20
|
14
|
30
|
58
|
60
|
21
|
16
|
23
|
25
|
22
|
19
|
25
|
24
|
40
|
|
|
2024/10
|
11
|
10
|
12
|
13
|
13
|
22
|
30
|
18
|
18
|
39
|
39
|
38
|
36
|
15
|
28
|
18
|
27
|
18
|
38
|
18
|
11
|
12
|
25
|
48
|
46
|
56
|
46
|
13
|
34
|
70
|
73
|
|
2024/09
|
27
|
15
|
15
|
17
|
15
|
14
|
24
|
23
|
18
|
14
|
15
|
16
|
22
|
35
|
25
|
21
|
13
|
21
|
25
|
20
|
17
|
17
|
14
|
13
|
20
|
32
|
24
|
19
|
17
|
17
|
|
|
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