Heilongjiang - China   2025-09-15   Monday   50.25N, 127.50E

Aihui

Heilongjiang - China
2025-09-15

Air Quality

Excellent

No health implications.

12

PM2.5

19

PM10

48

O3

0.4

CO

8

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

15 Sep

55 Good

Tue

16 Sep

52 Good

Wed

17 Sep

48 Excellent

Thu

18 Sep

47 Excellent

Fri

19 Sep

51 Good

Sat

20 Sep

51 Good

Sun

21 Sep

24 Excellent

Monthly Average AQI (Aihui)

2020/09 - 2025/08

Air quality in the last 12 months (Aihui)

2025/08
18
21
19
24
20
17
22
23
20
12
22
22
22
19
18
19
20
25
20
23
28
21
15
24
28
26
29
30
26
19
21
2025/07
19
16
19
24
27
24
22
22
22
27
27
23
26
25
28
27
26
24
22
18
18
19
23
28
21
25
22
24
18
17
16
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
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