Heilongjiang - China   2025-07-30   Wednesday   50.25N, 127.50E

Aihui

Heilongjiang - China
2025-07-30

Air Quality

Excellent

No health implications.

6

PM2.5

16

PM10

39

O3

0.4

CO

6

SO2

7

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

30 Jul

47 Excellent

Thu

31 Jul

56 Good

Fri

1 Aug

52 Good

Sat

2 Aug

48 Excellent

Sun

3 Aug

50 Excellent

Mon

4 Aug

49 Excellent

Tue

5 Aug

35 Excellent

Aihui Air quality rank

Monthly Average AQI (Aihui)

2020/07 - 2025/06

Air quality in the last 12 months (Aihui)

2025/06
25
27
24
18
18
19
21
19
21
24
31
30
19
19
29
30
26
30
25
20
17
22
32
32
38
36
33
41
32
27
2025/05
28
24
20
20
17
25
30
38
43
40
73
105
71
31
48
26
28
17
16
19
18
23
22
25
25
25
28
46
52
57
35
2025/04
39
49
40
39
41
26
45
34
36
28
29
20
17
24
23
26
32
44
28
27
23
45
45
26
17
20
28
20
32
34
2025/03
25
22
24
43
56
38
30
36
36
59
30
27
23
23
21
23
23
23
24
34
18
20
20
18
19
23
25
18
19
21
30
2025/02
37
54
21
20
19
20
19
18
23
26
48
59
25
28
42
21
20
21
21
18
19
19
17
24
37
26
31
36
2025/01
55
69
48
34
39
23
27
23
23
28
34
82
72
26
32
28
48
48
43
38
45
43
47
70
86
45
26
28
30
23
25
2024/12
30
27
37
27
34
23
22
27
30
35
26
19
25
24
22
26
25
24
23
26
25
44
34
29
25
27
28
24
37
61
41
2024/11
25
24
28
21
22
24
48
152
141
68
22
24
33
50
28
26
22
24
35
41
31
24
29
99
75
26
29
25
23
24
2024/10
24
37
26
32
32
24
51
34
50
53
24
23
28
59
21
23
23
28
24
29
51
30
32
34
41
29
51
39
107
56
43
2024/09
24
24
24
22
20
21
30
23
37
37
21
26
19
21
26
29
28
24
20
20
21
30
28
30
26
29
30
33
21
22
2024/08
33
26
25
23
17
28
31
20
21
26
23
26
24
28
37
35
22
22
34
35
29
24
29
28
23
19
22
24
26
24
20
2024/07
55
63
55
66
62
88
104
98
94
80
77
110
113
83
61
52
34
33
32
24
25
26
28
26
28
25
21
16
25
24
22
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