Liaoning - China   2025-07-16   Wednesday   39.27N, 122.59E

Changhai

Liaoning - China
2025-07-16

Air Quality

Excellent

No health implications.

4

PM2.5

18

PM10

117

O3

0.4

CO

5

SO2

10

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

16 Jul

55 Good

Thu

17 Jul

73 Good

Fri

18 Jul

75 Good

Sat

19 Jul

77 Good

Sun

20 Jul

57 Good

Mon

21 Jul

54 Good

Tue

22 Jul

20 Excellent

Monthly Average AQI (Changhai)

2020/07 - 2025/06

Air quality in the last 12 months (Changhai)

2025/06
58
49
32
25
37
55
41
29
25
21
33
19
15
17
24
21
31
33
22
21
25
37
33
31
34
27
29
47
21
13
2025/05
38
24
20
32
33
30
34
32
40
42
48
50
50
43
48
18
31
33
40
41
35
73
50
42
51
47
35
36
32
39
43
2025/04
67
59
57
54
43
40
53
56
46
50
46
42
23
21
31
45
66
34
38
49
33
25
43
45
34
54
45
31
52
60
2025/03
57
72
42
48
46
60
63
76
109
120
70
66
65
54
62
43
47
43
48
79
57
62
84
100
126
91
66
30
32
31
59
2025/02
81
102
36
32
28
39
51
51
45
54
56
38
65
89
93
60
30
31
42
44
43
36
31
43
63
72
101
87
2025/01
47
36
34
64
149
51
36
46
35
47
60
77
78
64
37
57
47
69
103
68
69
53
49
76
111
152
65
53
130
49
64
2024/12
53
29
31
35
33
30
32
42
49
55
37
46
54
39
36
52
38
39
40
76
41
43
46
49
89
43
41
44
49
83
36
2024/11
86
60
57
37
22
31
41
43
45
57
37
46
29
38
46
36
20
24
33
79
63
35
50
39
33
18
19
33
43
45
2024/10
13
21
17
21
30
47
37
39
23
36
29
44
36
23
26
24
33
54
48
38
24
24
24
64
64
76
48
43
45
58
62
2024/09
28
22
26
25
21
20
34
26
28
29
31
36
56
34
34
39
40
47
45
27
20
27
27
19
42
44
42
40
28
26
2024/08
30
40
37
24
16
22
19
28
38
21
36
55
45
46
49
49
55
36
17
20
28
28
30
46
35
28
30
33
32
40
24
2024/07
48
28
32
42
39
18
38
38
55
42
52
63
53
49
38
14
23
38
46
18
24
24
19
20
15
21
13
22
22
28
28
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