Air Quality
Excellent
No health implications.
7
PM2.5
21
PM10
98
O3
0.5
CO
7
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Mar
83
Good
Wed
25 Mar
47
Excellent
Thu
26 Mar
70
Good
Fri
27 Mar
84
Good
Sat
28 Mar
75
Good
Sun
29 Mar
67
Good
Mon
30 Mar
19
Excellent
Haibei Prefecture Air quality rank
Real-time AQI (Monitoring Station in Haibei Prefecture)
海晏县西海镇
317
PM2.5
21
PM10
98
O3
0.5
CO
7
SO2
3
NO2
Air quality in the last 12 months (Haibei Prefecture)
|
2026/02
|
61
|
62
|
39
|
28
|
50
|
52
|
49
|
44
|
71
|
33
|
20
|
31
|
25
|
24
|
63
|
51
|
41
|
39
|
22
|
22
|
34
|
18
|
83
|
42
|
36
|
43
|
41
|
48
|
|||
|
2026/01
|
57
|
60
|
81
|
68
|
63
|
34
|
18
|
28
|
28
|
20
|
18
|
20
|
21
|
74
|
32
|
26
|
26
|
57
|
67
|
58
|
48
|
25
|
23
|
28
|
116
|
96
|
57
|
68
|
95
|
80
|
63
|
|
2025/12
|
30
|
25
|
27
|
31
|
25
|
23
|
37
|
24
|
33
|
26
|
26
|
185
|
27
|
25
|
24
|
24
|
25
|
25
|
39
|
53
|
29
|
29
|
57
|
62
|
48
|
31
|
23
|
23
|
21
|
27
|
42
|
|
2025/11
|
39
|
42
|
38
|
32
|
53
|
52
|
84
|
51
|
52
|
39
|
30
|
48
|
37
|
35
|
30
|
29
|
50
|
33
|
21
|
27
|
25
|
33
|
35
|
37
|
30
|
50
|
27
|
23
|
27
|
30
|
|
|
2025/10
|
21
|
21
|
29
|
48
|
29
|
33
|
17
|
21
|
24
|
20
|
22
|
17
|
18
|
20
|
35
|
32
|
43
|
25
|
45
|
50
|
42
|
45
|
22
|
30
|
28
|
29
|
25
|
17
|
25
|
36
|
39
|
|
2025/09
|
30
|
23
|
43
|
38
|
37
|
50
|
43
|
34
|
37
|
47
|
35
|
26
|
33
|
49
|
57
|
104
|
39
|
29
|
36
|
36
|
27
|
35
|
50
|
37
|
31
|
41
|
29
|
25
|
37
|
44
|
|
|
2025/08
|
48
|
41
|
35
|
21
|
17
|
19
|
29
|
19
|
28
|
22
|
25
|
21
|
28
|
24
|
19
|
23
|
35
|
28
|
29
|
25
|
24
|
22
|
28
|
38
|
37
|
37
|
20
|
16
|
18
|
20
|
20
|
|
2025/07
|
24
|
18
|
28
|
17
|
20
|
25
|
34
|
37
|
27
|
46
|
39
|
37
|
41
|
42
|
53
|
29
|
19
|
23
|
21
|
22
|
24
|
30
|
29
|
28
|
28
|
30
|
30
|
26
|
23
|
29
|
61
|
|
2025/06
|
27
|
29
|
34
|
24
|
26
|
36
|
29
|
23
|
22
|
17
|
24
|
21
|
28
|
20
|
19
|
26
|
37
|
38
|
24
|
30
|
21
|
16
|
26
|
18
|
17
|
21
|
16
|
19
|
19
|
28
|
|
|
2025/05
|
26
|
32
|
124
|
112
|
39
|
66
|
76
|
49
|
30
|
17
|
13
|
32
|
47
|
31
|
22
|
28
|
35
|
34
|
27
|
32
|
29
|
44
|
24
|
32
|
20
|
29
|
25
|
26
|
58
|
45
|
47
|
|
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
|
|
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