Heilongjiang - China   2025-12-08   Monday   45.21N, 130.91E

Hengshan

Heilongjiang - China
2025-12-08

Air Quality

Excellent

No health implications.

14

PM2.5

20

PM10

53

O3

0.4

CO

9

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

8 Dec

62 Good

Tue

9 Dec

64 Good

Wed

10 Dec

62 Good

Thu

11 Dec

57 Good

Fri

12 Dec

61 Good

Sat

13 Dec

56 Good

Sun

14 Dec

22 Excellent

Monthly Average AQI (Hengshan)

2020/12 - 2025/11

Air quality in the last 12 months (Hengshan)

2025/11
91
90
38
62
129
91
20
48
32
24
34
53
55
46
69
66
38
38
62
36
105
90
56
129
35
59
66
51
63
51
2025/10
25
38
47
40
19
32
43
33
31
37
41
34
47
61
53
69
55
23
17
21
28
40
51
51
103
90
65
42
155
43
64
2025/09
33
25
37
38
38
27
20
25
23
23
21
38
45
35
17
18
14
19
25
30
26
27
38
34
20
12
22
33
32
46
2025/08
25
20
24
13
18
18
16
17
20
15
24
40
34
15
26
21
16
22
21
18
24
12
19
23
19
12
19
28
15
26
34
2025/07
28
19
19
24
34
13
21
28
31
29
31
26
21
16
18
15
19
18
18
21
17
19
23
22
22
13
20
19
20
15
16
2025/06
45
25
17
14
19
20
17
26
26
17
16
18
29
27
18
19
19
23
26
21
14
14
23
35
42
44
36
48
27
26
2025/05
32
29
23
21
17
29
33
34
34
17
37
43
46
37
19
38
30
15
19
26
26
16
17
25
19
21
27
36
40
43
50
2025/04
83
68
50
53
54
18
26
57
58
61
145
88
43
28
22
26
50
45
33
56
89
25
36
32
37
15
31
51
39
38
2025/03
25
17
26
42
52
38
33
64
70
70
78
84
21
23
19
24
32
32
40
65
86
11
46
56
91
76
26
15
25
21
43
2025/02
50
88
71
33
20
18
33
26
23
32
46
65
27
25
41
42
26
19
18
23
22
21
17
25
52
28
48
67
2025/01
57
41
30
35
76
70
65
56
34
34
54
80
69
52
37
50
47
97
103
102
137
141
103
75
72
78
66
63
57
42
34
2024/12
29
22
25
18
15
23
17
23
36
45
24
28
25
31
23
25
27
22
25
51
46
42
36
28
53
29
21
28
41
75
76
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