Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
23 Feb
Mon
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Sat
1 Mar
Real-time AQI (Monitoring Station in Shiyan)
刘家沟
10982 *
PM2.5
90
PM10
12
O3
0.9
CO
11
SO2
23
NO2
Air quality in the last 12 months (Shiyan)
|
2025/01
|
65
|
113
|
161
|
140
|
56
|
58
|
54
|
38
|
53
|
61
|
55
|
60
|
67
|
68
|
57
|
49
|
60
|
76
|
58
|
59
|
99
|
183
|
170
|
54
|
27
|
46
|
53
|
57
|
103
|
107
|
120
|
|
2024/12
|
42
|
46
|
70
|
62
|
38
|
35
|
42
|
81
|
76
|
72
|
72
|
105
|
48
|
36
|
36
|
45
|
58
|
73
|
49
|
69
|
65
|
51
|
43
|
60
|
68
|
69
|
100
|
48
|
54
|
50
|
48
|
|
2024/11
|
39
|
32
|
31
|
38
|
49
|
58
|
66
|
70
|
69
|
49
|
58
|
57
|
62
|
30
|
34
|
19
|
16
|
25
|
30
|
21
|
23
|
33
|
72
|
61
|
21
|
29
|
37
|
38
|
34
|
36
|
|
|
2024/10
|
28
|
34
|
37
|
35
|
43
|
40
|
34
|
48
|
46
|
38
|
47
|
44
|
50
|
38
|
41
|
71
|
49
|
23
|
26
|
26
|
20
|
20
|
26
|
33
|
44
|
46
|
33
|
39
|
54
|
64
|
52
|
|
2024/09
|
34
|
41
|
41
|
45
|
30
|
27
|
38
|
50
|
45
|
44
|
34
|
32
|
31
|
35
|
34
|
34
|
23
|
21
|
26
|
23
|
18
|
22
|
29
|
36
|
35
|
49
|
58
|
61
|
56
|
12
|
|
|
2024/08
|
24
|
26
|
24
|
20
|
18
|
21
|
21
|
32
|
33
|
71
|
61
|
28
|
23
|
32
|
36
|
31
|
30
|
25
|
19
|
27
|
18
|
26
|
39
|
46
|
35
|
33
|
19
|
21
|
32
|
33
|
37
|
|
2024/07
|
26
|
23
|
36
|
16
|
28
|
18
|
31
|
31
|
18
|
35
|
28
|
18
|
29
|
23
|
18
|
18
|
23
|
25
|
19
|
25
|
31
|
29
|
30
|
35
|
39
|
42
|
26
|
27
|
17
|
20
|
15
|
|
2024/06
|
54
|
64
|
44
|
30
|
22
|
33
|
43
|
38
|
36
|
32
|
27
|
28
|
33
|
32
|
33
|
39
|
19
|
39
|
38
|
31
|
28
|
27
|
29
|
67
|
79
|
53
|
51
|
33
|
28
|
35
|
|
|
2024/05
|
18
|
27
|
31
|
24
|
23
|
32
|
49
|
48
|
49
|
48
|
51
|
49
|
50
|
53
|
55
|
37
|
45
|
55
|
49
|
26
|
38
|
40
|
41
|
48
|
57
|
20
|
38
|
40
|
37
|
30
|
39
|
|
2024/04
|
57
|
23
|
54
|
60
|
54
|
37
|
31
|
34
|
38
|
34
|
27
|
27
|
46
|
27
|
33
|
45
|
47
|
45
|
54
|
79
|
66
|
54
|
122
|
108
|
62
|
47
|
49
|
51
|
41
|
14
|
|
|
2024/03
|
75
|
76
|
69
|
57
|
55
|
76
|
81
|
62
|
61
|
69
|
48
|
60
|
61
|
50
|
64
|
83
|
80
|
42
|
54
|
72
|
73
|
65
|
40
|
33
|
24
|
37
|
46
|
49
|
45
|
50
|
67
|
|
2024/02
|
54
|
46
|
43
|
60
|
70
|
77
|
71
|
62
|
51
|
77
|
72
|
84
|
84
|
72
|
42
|
56
|
56
|
128
|
332
|
19
|
24
|
40
|
26
|
37
|
51
|
73
|
58
|
61
|
58
|
||
|
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
*: primary pollution