Air Quality
Excellent
No health implications.
11
PM2.5
24
PM10
132
O3
0.3
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
83
Good
Wed
22 Jul
83
Good
Thu
23 Jul
89
Good
Fri
24 Jul
86
Good
Sat
25 Jul
81
Good
Sun
26 Jul
87
Good
Mon
27 Jul
19
Excellent
Real-time AQI (Monitoring Station in Haibei Prefecture)
海晏县西海镇
4211
PM2.5
24
PM10
132
O3
0.3
CO
7
SO2
6
NO2
Air quality in the last 12 months (Haibei Prefecture)
|
2026/06
|
36
|
32
|
35
|
33
|
40
|
73
|
83
|
60
|
40
|
38
|
36
|
33
|
38
|
41
|
38
|
38
|
39
|
28
|
29
|
35
|
36
|
35
|
36
|
35
|
39
|
34
|
41
|
40
|
37
|
34
|
|
|
2026/05
|
34
|
37
|
32
|
29
|
35
|
36
|
49
|
38
|
33
|
39
|
41
|
34
|
48
|
56
|
61
|
35
|
39
|
43
|
38
|
44
|
48
|
50
|
58
|
37
|
36
|
46
|
43
|
43
|
35
|
36
|
42
|
|
2026/04
|
29
|
38
|
57
|
37
|
42
|
47
|
46
|
34
|
33
|
45
|
45
|
42
|
37
|
37
|
43
|
35
|
31
|
30
|
120
|
80
|
70
|
61
|
64
|
56
|
37
|
42
|
35
|
33
|
35
|
37
|
|
|
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
|
|
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