Heilongjiang - China   2025-12-15   Monday   51.73N, 126.66E

Huma

Heilongjiang - China
2025-12-15

Air Quality

Excellent

No health implications.

11

PM2.5

16

PM10

40

O3

0.5

CO

5

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

15 Dec

57 Good

Tue

16 Dec

52 Good

Wed

17 Dec

49 Excellent

Thu

18 Dec

53 Good

Fri

19 Dec

53 Good

Sat

20 Dec

58 Good

Sun

21 Dec

19 Excellent

Monthly Average AQI (Huma)

2020/12 - 2025/11

Air quality in the last 12 months (Huma)

2025/11
17
20
31
53
19
15
22
28
61
28
23
32
19
23
20
20
23
22
27
22
19
33
25
22
22
28
30
24
43
24
2025/10
22
24
26
20
18
20
22
28
29
27
20
20
24
23
22
23
22
25
22
23
24
27
31
42
88
55
38
24
30
25
16
2025/09
12
20
15
21
23
18
17
16
11
11
13
12
21
14
20
22
21
23
19
23
23
26
34
23
17
17
19
23
26
30
2025/08
12
12
14
15
12
12
13
12
14
11
12
14
14
11
9
9
13
10
10
12
16
14
11
14
13
15
15
15
15
13
13
2025/07
18
12
11
14
17
17
19
18
12
22
23
22
25
24
27
24
25
23
19
14
12
13
13
15
13
13
13
13
16
12
11
2025/06
13
13
11
11
11
10
11
13
17
17
23
20
17
17
23
24
20
18
20
14
15
20
22
22
22
25
22
27
21
20
2025/05
21
19
12
16
12
16
27
34
39
42
58
104
69
36
53
22
22
11
13
13
16
19
23
21
23
25
25
41
50
32
15
2025/04
35
45
39
45
38
20
45
27
32
18
18
17
20
26
23
26
24
32
35
20
19
39
42
23
16
21
19
17
38
25
2025/03
26
20
21
41
48
33
27
35
40
61
26
25
22
24
24
19
17
14
17
27
20
20
16
14
14
22
48
26
27
26
29
2025/02
30
49
17
19
21
16
16
18
20
22
39
47
27
28
38
23
18
23
24
18
18
18
15
20
31
24
30
30
2025/01
54
50
43
23
31
14
18
20
15
18
22
54
51
18
32
31
42
54
36
34
43
44
35
48
62
36
23
45
62
21
22
2024/12
24
21
27
17
20
12
11
17
18
20
15
11
15
21
18
15
13
13
17
21
16
27
28
24
21
21
19
25
32
52
40
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