Heilongjiang - China   2025-07-17   Thursday   46.08N, 127.40E

Bayan

Heilongjiang - China
2025-07-17

Air Quality

Excellent

No health implications.

12

PM2.5

28

PM10

36

O3

0.4

CO

5

SO2

15

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

17 Jul

57 Good

Fri

18 Jul

60 Good

Sat

19 Jul

57 Good

Sun

20 Jul

61 Good

Mon

21 Jul

59 Good

Tue

22 Jul

59 Good

Wed

23 Jul

16 Excellent

Monthly Average AQI (Bayan)

2020/07 - 2025/06

Air quality in the last 12 months (Bayan)

2025/06
24
28
19
21
17
14
20
34
21
17
17
28
37
25
35
24
17
36
23
17
12
22
30
41
44
59
54
37
28
40
2025/05
55
40
42
29
25
36
39
38
26
27
47
68
56
47
68
29
21
29
24
37
34
23
23
21
23
28
37
51
52
46
54
2025/04
90
74
70
49
48
51
53
57
96
159
161
83
43
25
25
45
129
70
35
107
130
22
33
33
19
24
52
78
73
70
2025/03
24
31
45
45
47
60
49
53
75
169
86
61
24
32
36
30
34
38
79
97
89
16
28
63
46
47
28
25
23
34
69
2025/02
130
157
161
80
83
85
56
41
85
115
123
124
85
58
75
50
37
43
53
61
58
62
65
52
55
45
73
77
2025/01
147
153
117
162
127
131
140
67
85
142
194
189
133
227
97
59
76
79
174
204
184
165
210
235
235
200
85
71
97
66
96
2024/12
61
35
28
34
49
35
53
76
98
135
50
75
118
80
48
63
85
90
114
214
126
67
73
74
66
44
60
75
72
91
113
2024/11
108
70
91
47
73
94
101
122
159
116
238
140
141
213
241
69
35
44
111
156
227
40
73
63
62
62
34
52
38
72
2024/10
21
28
27
34
52
31
55
76
55
29
30
42
58
55
17
20
54
57
28
47
38
41
44
88
86
97
88
66
62
112
101
2024/09
14
15
22
24
18
17
22
22
34
21
20
25
20
24
26
30
33
27
25
21
34
33
29
37
27
29
31
38
38
21
2024/08
13
15
17
19
16
20
28
24
34
38
15
18
23
27
32
39
36
33
14
18
21
15
22
39
31
20
27
25
22
20
17
2024/07
51
49
38
19
27
43
71
64
55
74
93
62
63
56
57
49
27
27
38
36
24
31
24
29
21
11
13
13
15
18
16
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