Air Quality
Excellent
No health implications.
22
PM2.5
35
PM10
58
O3
0.5
CO
9
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Apr
61
Good
Thu
16 Apr
71
Good
Fri
17 Apr
63
Good
Sat
18 Apr
67
Good
Sun
19 Apr
66
Good
Mon
20 Apr
21
Excellent
Tue
21 Apr
31
Excellent
Real-time AQI (Monitoring Station in Haibei Prefecture)
海晏县西海镇
3522
PM2.5
35
PM10
58
O3
0.5
CO
9
SO2
3
NO2
Air quality in the last 12 months (Haibei Prefecture)
|
2026/03
|
66
|
61
|
33
|
56
|
46
|
41
|
50
|
53
|
33
|
21
|
27
|
64
|
127
|
97
|
61
|
47
|
55
|
50
|
51
|
41
|
48
|
88
|
53
|
44
|
52
|
42
|
49
|
41
|
40
|
41
|
30
|
|
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
|
|
|
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