Heilongjiang - China   2025-09-26   Friday   51.73N, 126.66E

Huma

Heilongjiang - China
2025-09-26

Air Quality

Excellent

No health implications.

8

PM2.5

19

PM10

19

O3

0.5

CO

13

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

26 Sep

48 Excellent

Sat

27 Sep

48 Excellent

Sun

28 Sep

56 Good

Mon

29 Sep

52 Good

Tue

30 Sep

51 Good

Wed

1 Oct

49 Excellent

Thu

2 Oct

39 Excellent

Monthly Average AQI (Huma)

2020/09 - 2025/08

Air quality in the last 12 months (Huma)

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
2024/11
19
17
24
15
17
20
41
114
158
75
18
17
33
40
18
23
19
17
30
35
26
21
26
96
84
24
24
21
17
16
2024/10
26
36
19
22
23
38
51
30
39
54
23
18
18
56
14
17
19
20
19
31
51
29
28
27
33
20
37
30
88
50
34
2024/09
19
19
21
24
18
20
23
22
31
31
16
24
17
19
24
23
23
20
18
17
19
34
29
23
24
25
26
26
17
18
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