Heilongjiang - China   2026-05-09   Saturday   46.59N, 131.33E

Sifangtai

Heilongjiang - China
2026-05-09

Air Quality

Good

Some pollutants may slightly affect very few hypersensitive individuals.

29

PM2.5

98 *

PM10

28

O3

1.9

CO

25

SO2

36

NO2

Some pollutants may slightly affect very few hypersensitive individuals.

Advise

Only very few hypersensitive people should reduce outdoor activities.

Air Quality

Today

9 May

64 Good

Sun

10 May

61 Good

Mon

11 May

60 Good

Tue

12 May

58 Good

Wed

13 May

62 Good

Thu

14 May

17 Excellent

Fri

15 May

42 Excellent

Monthly Average AQI (Sifangtai)

2021/05 - 2026/04

Air quality in the last 12 months (Sifangtai)

2026/04
102
105
88
51
41
25
26
39
57
37
39
34
26
34
56
51
59
33
36
51
43
21
22
26
29
32
29
31
39
56
2026/03
32
43
45
50
53
49
35
47
34
42
44
48
37
58
33
47
50
84
61
50
142
115
66
111
93
104
103
174
129
33
83
2026/02
49
51
50
52
34
23
26
34
52
75
70
42
63
47
27
30
51
22
31
62
82
93
75
44
44
38
27
23
2026/01
29
48
58
30
24
39
37
23
54
54
35
73
67
30
58
46
52
48
54
44
34
33
45
49
35
29
40
56
42
42
37
2025/12
34
40
30
27
29
48
69
55
46
33
24
34
54
95
75
31
33
66
76
37
30
46
58
49
52
27
46
51
44
27
33
2025/11
66
51
57
62
96
77
25
64
36
19
28
54
38
34
51
82
55
39
73
70
42
92
108
77
36
54
76
56
54
52
2025/10
25
23
42
38
24
37
29
21
27
41
33
29
50
61
38
43
41
15
18
21
25
40
43
129
119
134
138
35
79
90
51
2025/09
24
24
23
32
34
21
25
29
21
17
27
31
32
35
24
16
15
18
28
28
32
24
25
21
14
13
20
23
33
33
2025/08
27
31
25
26
25
25
26
21
22
11
25
32
29
16
16
13
15
23
18
17
24
18
13
20
18
14
19
22
15
15
22
2025/07
29
23
30
24
30
19
24
31
30
22
28
30
26
24
24
31
25
26
32
30
19
26
34
31
30
22
25
23
32
17
25
2025/06
46
30
19
15
17
18
17
20
24
18
16
23
27
32
27
28
19
22
39
24
15
17
29
39
46
45
44
48
33
25
2025/05
44
45
25
15
22
31
39
35
28
33
44
68
43
38
31
31
34
22
27
32
21
33
23
19
20
28
30
42
51
46
50
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