Heilongjiang - China   2025-05-09   Friday   45.21N, 130.91E

Hengshan

Heilongjiang - China
2025-05-09

Air Quality

Excellent

No health implications.

14

PM2.5

22

PM10

83

O3

0.4

CO

5

SO2

5

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

9 May

49 Excellent

Sat

10 May

53 Good

Sun

11 May

58 Good

Mon

12 May

54 Good

Tue

13 May

81 Good

Wed

14 May

18 Excellent

Thu

15 May

50 Excellent

Monthly Average AQI (Hengshan)

2020/03 - 2025/02

Air quality in the last 12 months (Hengshan)

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
2024/11
54
43
49
37
38
20
45
76
96
68
60
119
162
107
80
76
17
19
46
52
68
33
30
50
61
24
30
44
29
21
2024/10
11
19
41
43
43
41
27
44
49
39
29
33
42
48
19
31
44
47
29
35
40
32
30
37
51
43
25
42
52
49
60
2024/09
25
13
23
41
10
19
22
30
37
16
22
28
24
21
22
38
21
24
32
16
23
29
39
37
30
18
35
38
41
26
2024/08
16
16
17
18
16
16
29
30
30
35
13
15
22
23
28
28
27
32
12
23
22
22
18
32
32
25
21
28
34
27
16
2024/07
65
67
51
24
34
50
47
60
56
45
63
43
32
43
54
50
30
17
23
37
33
27
31
22
25
13
14
13
16
19
26
2024/06
11
24
31
24
29
31
35
30
18
21
40
22
23
16
18
15
22
22
38
35
11
8
6
7
16
23
26
51
50
48
2024/05
44
60
53
58
69
64
34
42
33
39
28
20
30
34
27
25
36
51
25
24
26
44
30
19
23
23
12
21
17
17
12
2024/04
33
30
61
24
37
64
34
20
41
51
73
64
55
65
209
46
43
70
48
92
115
66
51
34
63
53
55
63
63
38
2024/03
41
31
37
33
34
34
39
40
18
45
69
46
55
55
39
19
20
28
39
31
35
42
20
20
29
48
47
62
81
45
46
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