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
25 Jul
Sat
26 Jul
Sun
27 Jul
Mon
28 Jul
Tue
29 Jul
Wed
30 Jul
Thu
31 Jul
Real-time AQI (Monitoring Station in Weihai)
华夏技校
293
PM2.5
29
PM10
61
O3
0.3
CO
5
SO2
13
NO2
山大分校
243
PM2.5
12
PM10
75
O3
0.2
CO
5
SO2
5
NO2
市监测站
193
PM2.5
15
PM10
59
O3
0.1
CO
2
SO2
2
NO2
临港区管委会
273
PM2.5
14
PM10
84
O3
0.3
CO
4
SO2
8
NO2
Air quality in the last 12 months (Weihai)
|
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
|
|
|
2024/08
|
25
|
27
|
14
|
24
|
11
|
13
|
16
|
24
|
26
|
19
|
43
|
61
|
47
|
30
|
42
|
40
|
36
|
23
|
12
|
10
|
15
|
20
|
36
|
38
|
29
|
24
|
13
|
18
|
24
|
32
|
25
|
|
2024/07
|
40
|
13
|
27
|
29
|
18
|
14
|
18
|
41
|
46
|
35
|
58
|
49
|
60
|
37
|
31
|
11
|
17
|
32
|
36
|
12
|
18
|
11
|
12
|
16
|
10
|
14
|
19
|
27
|
26
|
27
|
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