Heilongjiang - China   2025-06-04   Wednesday   46.78N, 131.81E

Youyi

Heilongjiang - China
2025-06-04

Air Quality

Excellent

No health implications.

22

PM2.5

23

PM10

20

O3

0.9

CO

10

SO2

18

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

4 Jun

54 Good

Thu

5 Jun

53 Good

Fri

6 Jun

52 Good

Sat

7 Jun

52 Good

Sun

8 Jun

54 Good

Mon

9 Jun

56 Good

Tue

10 Jun

29 Excellent

Monthly Average AQI (Youyi)

2020/05 - 2025/04

Air quality in the last 12 months (Youyi)

2025/04
63
63
72
63
61
46
59
69
59
97
113
78
71
34
46
33
85
65
42
39
73
42
63
42
37
16
29
35
40
33
2025/03
16
21
35
50
46
38
27
54
67
69
61
53
21
20
22
34
54
29
41
97
52
16
19
37
47
38
31
22
33
17
51
2025/02
72
107
87
47
20
26
58
51
33
39
65
72
34
31
57
34
13
40
85
47
32
22
28
40
59
23
57
56
2025/01
93
68
68
77
84
68
83
96
62
55
77
122
101
97
42
55
73
130
122
114
131
188
137
146
127
141
114
60
65
51
51
2024/12
36
18
24
19
17
16
17
32
49
56
27
33
23
36
26
19
17
31
34
62
84
56
61
40
49
22
17
28
35
67
88
2024/11
58
41
64
30
60
14
43
59
74
51
68
46
112
111
68
58
17
20
49
56
90
28
48
72
62
20
18
28
41
14
2024/10
31
28
45
43
44
32
51
53
64
45
33
33
42
45
18
21
41
44
22
32
37
25
29
30
55
35
30
49
64
62
62
2024/09
14
17
21
33
18
19
22
26
29
19
21
22
18
29
21
21
19
21
26
16
39
42
41
45
27
15
39
45
35
30
2024/08
16
19
16
19
17
21
25
29
32
31
14
22
16
17
26
22
40
23
13
19
25
13
22
19
20
24
20
28
28
25
14
2024/07
67
65
62
46
46
59
64
81
68
47
59
29
29
46
49
42
22
16
24
29
25
21
31
15
28
20
14
20
26
16
24
2024/06
12
22
19
21
27
21
30
23
21
18
19
16
26
17
15
18
17
21
17
20
20
14
17
14
18
21
29
35
43
48
2024/05
48
64
42
71
86
54
43
45
27
53
15
14
25
20
18
32
45
41
25
25
34
35
23
16
32
18
13
25
14
29
13
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