Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
40
PM2.5
101
*
PM10
59
O3
0.5
CO
10
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Apr
76
Good
Mon
21 Apr
67
Good
Tue
22 Apr
67
Good
Wed
23 Apr
66
Good
Thu
24 Apr
65
Good
Fri
25 Apr
68
Good
Sat
26 Apr
24
Excellent
Real-time AQI (Monitoring Station in Haibei Prefecture)
海晏县西海镇
7640
PM2.5
101 *
PM10
59
O3
0.5
CO
10
SO2
14
NO2
Air quality in the last 12 months (Haibei Prefecture)
|
2025/02
|
31
|
52
|
33
|
25
|
47
|
44
|
51
|
40
|
31
|
26
|
48
|
59
|
47
|
38
|
33
|
20
|
17
|
43
|
59
|
56
|
49
|
64
|
66
|
49
|
46
|
24
|
29
|
39
|
|||
|
2025/01
|
25
|
27
|
25
|
41
|
16
|
37
|
49
|
55
|
54
|
59
|
35
|
22
|
18
|
26
|
41
|
15
|
18
|
26
|
18
|
17
|
24
|
26
|
33
|
42
|
100
|
37
|
28
|
22
|
26
|
24
|
26
|
|
2024/12
|
16
|
25
|
29
|
52
|
44
|
45
|
64
|
64
|
54
|
51
|
30
|
55
|
61
|
45
|
19
|
16
|
21
|
38
|
36
|
20
|
52
|
28
|
27
|
51
|
55
|
30
|
33
|
16
|
35
|
41
|
17
|
|
2024/11
|
35
|
17
|
21
|
34
|
16
|
25
|
15
|
32
|
42
|
70
|
60
|
45
|
33
|
23
|
50
|
43
|
46
|
37
|
43
|
43
|
41
|
19
|
27
|
56
|
49
|
20
|
15
|
16
|
21
|
17
|
|
|
2024/10
|
16
|
34
|
32
|
36
|
30
|
44
|
42
|
29
|
33
|
27
|
33
|
24
|
17
|
25
|
39
|
19
|
17
|
32
|
37
|
31
|
55
|
18
|
18
|
25
|
39
|
35
|
24
|
17
|
32
|
40
|
38
|
|
2024/09
|
33
|
33
|
36
|
18
|
16
|
18
|
33
|
40
|
18
|
25
|
27
|
29
|
17
|
18
|
44
|
20
|
25
|
37
|
38
|
21
|
28
|
32
|
21
|
20
|
31
|
25
|
34
|
47
|
21
|
24
|
|
|
2024/08
|
28
|
24
|
24
|
24
|
28
|
23
|
24
|
27
|
34
|
17
|
18
|
22
|
30
|
21
|
25
|
25
|
20
|
19
|
24
|
25
|
33
|
47
|
42
|
27
|
27
|
32
|
40
|
40
|
24
|
25
|
30
|
|
2024/07
|
19
|
27
|
21
|
24
|
37
|
46
|
62
|
27
|
39
|
29
|
18
|
34
|
32
|
33
|
44
|
37
|
23
|
24
|
27
|
39
|
172
|
41
|
32
|
40
|
54
|
46
|
35
|
19
|
17
|
20
|
13
|
|
2024/06
|
47
|
29
|
31
|
22
|
32
|
24
|
40
|
26
|
28
|
27
|
23
|
26
|
25
|
22
|
32
|
26
|
24
|
22
|
38
|
31
|
21
|
32
|
29
|
25
|
31
|
26
|
31
|
23
|
24
|
24
|
|
|
2024/05
|
42
|
43
|
46
|
40
|
51
|
57
|
52
|
46
|
44
|
34
|
24
|
24
|
35
|
33
|
84
|
68
|
74
|
44
|
44
|
32
|
38
|
35
|
54
|
74
|
29
|
41
|
40
|
38
|
20
|
31
|
41
|
|
2024/04
|
54
|
66
|
59
|
64
|
49
|
29
|
36
|
43
|
39
|
42
|
42
|
32
|
49
|
69
|
300
|
84
|
65
|
43
|
41
|
37
|
44
|
36
|
31
|
34
|
30
|
73
|
61
|
219
|
46
|
35
|
|
|
2024/03
|
59
|
38
|
43
|
81
|
67
|
62
|
36
|
64
|
62
|
55
|
28
|
36
|
38
|
47
|
82
|
175
|
79
|
65
|
34
|
39
|
32
|
52
|
73
|
32
|
28
|
39
|
36
|
31
|
22
|
62
|
60
|
|
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