Shandong - China   2025-07-23   Wednesday   37.89N, 118.53E

Hekou

Shandong - China
2025-07-23

Air Quality

Excellent

No health implications.

3

PM2.5

7

PM10

47

O3

0.7

CO

6

SO2

13

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

23 Jul

76 Good

Thu

24 Jul

87 Good

Fri

25 Jul

92 Good

Sat

26 Jul

101 Light

Sun

27 Jul

102 Light

Mon

28 Jul

91 Good

Tue

29 Jul

35 Excellent

Monthly Average AQI (Hekou)

2020/07 - 2025/06

Air quality in the last 12 months (Hekou)

2025/06
47
51
28
28
56
70
53
41
55
20
36
45
32
19
18
25
41
44
20
25
47
52
44
47
41
54
42
57
25
28
2025/05
46
49
30
47
46
29
49
55
31
26
50
57
60
57
30
58
48
54
74
75
55
60
40
42
44
49
57
60
54
55
59
2025/04
73
31
46
73
34
65
98
69
42
61
73
174
59
50
44
76
83
44
22
35
54
47
61
60
60
72
43
42
61
68
2025/03
80
53
35
47
31
50
48
113
121
86
105
104
62
55
46
29
40
28
54
60
55
67
106
113
84
120
85
42
32
53
76
2025/02
42
76
25
26
33
69
36
19
49
63
86
73
75
88
104
61
41
32
32
47
39
37
39
57
60
86
121
152
2025/01
87
34
56
125
184
42
41
26
18
39
57
55
86
64
30
64
54
105
106
83
73
31
40
57
48
62
38
58
92
47
44
2024/12
97
50
34
51
97
39
27
48
85
95
29
50
55
43
54
60
39
32
57
82
37
49
73
115
145
31
50
61
83
97
56
2024/11
70
56
87
34
40
55
69
69
56
80
65
92
120
66
70
66
31
28
46
74
73
30
24
58
46
30
32
37
55
67
2024/10
18
16
37
60
78
61
21
49
70
64
54
82
69
55
72
41
64
17
30
20
38
46
51
80
107
61
55
49
94
94
71
2024/09
43
19
23
39
30
14
18
35
44
33
17
30
26
24
18
24
40
37
30
23
19
21
32
48
60
23
25
43
41
20
2024/08
36
43
35
19
23
27
27
38
28
51
49
32
38
30
26
25
35
28
11
18
31
38
50
15
26
21
20
26
22
48
48
2024/07
49
44
41
44
39
16
35
27
55
50
67
72
83
44
31
24
34
47
40
22
37
24
40
40
18
10
11
13
16
29
27
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
Air quality source: CNEMC

*: primary pollution