Air Quality
Excellent
No health implications.
26
PM2.5
45
PM10
113
O3
0.4
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
57
Good
Sat
31 May
59
Good
Sun
1 Jun
57
Good
Mon
2 Jun
57
Good
Tue
3 Jun
62
Good
Wed
4 Jun
56
Good
Thu
5 Jun
23
Excellent
Real-time AQI (Monitoring Station in Haibei Prefecture)
海晏县西海镇
4526
PM2.5
45
PM10
113
O3
0.4
CO
5
SO2
3
NO2
Air quality in the last 12 months (Haibei Prefecture)
|
2025/04
|
93
|
95
|
55
|
74
|
77
|
57
|
79
|
49
|
48
|
26
|
40
|
15
|
16
|
27
|
42
|
63
|
52
|
100
|
67
|
83
|
62
|
48
|
48
|
37
|
40
|
34
|
26
|
26
|
29
|
26
|
|
|
2025/03
|
55
|
51
|
40
|
27
|
52
|
76
|
64
|
35
|
32
|
30
|
52
|
102
|
66
|
53
|
52
|
44
|
44
|
48
|
46
|
52
|
49
|
56
|
44
|
33
|
19
|
94
|
200
|
55
|
70
|
91
|
93
|
|
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
|
|
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