Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
Shiyan Air quality rank
Real-time AQI (Monitoring Station in Shiyan)
滨河新村
3819
PM2.5
38
PM10
62
O3
0.6
CO
8
SO2
12
NO2
刘家沟
2918
PM2.5
29
PM10
68
O3
0.6
CO
6
SO2
9
NO2
铁二处
3927
PM2.5
28
PM10
54
O3
0.7
CO
6
SO2
13
NO2
郧阳区金沙路
2919
PM2.5
29
PM10
65
O3
0.8
CO
6
SO2
10
NO2
Air quality in the last 12 months (Shiyan)
|
2025/08
|
41
|
38
|
38
|
50
|
50
|
38
|
30
|
29
|
22
|
19
|
24
|
26
|
20
|
32
|
31
|
28
|
29
|
30
|
32
|
36
|
31
|
27
|
35
|
24
|
31
|
39
|
39
|
37
|
22
|
22
|
20
|
|
2025/07
|
18
|
28
|
27
|
25
|
21
|
27
|
23
|
34
|
31
|
25
|
43
|
52
|
37
|
30
|
28
|
32
|
33
|
33
|
37
|
35
|
30
|
31
|
19
|
21
|
27
|
33
|
32
|
28
|
30
|
30
|
36
|
|
2025/06
|
32
|
30
|
35
|
35
|
35
|
31
|
32
|
27
|
34
|
40
|
43
|
42
|
40
|
34
|
39
|
48
|
48
|
34
|
13
|
27
|
27
|
35
|
31
|
36
|
31
|
22
|
27
|
30
|
27
|
26
|
|
|
2025/05
|
81
|
63
|
65
|
51
|
48
|
272
|
155
|
58
|
60
|
42
|
35
|
44
|
53
|
40
|
52
|
56
|
80
|
116
|
62
|
65
|
71
|
61
|
58
|
66
|
68
|
56
|
55
|
49
|
55
|
45
|
31
|
|
2025/04
|
59
|
61
|
52
|
59
|
73
|
69
|
60
|
55
|
60
|
51
|
55
|
250
|
113
|
69
|
40
|
52
|
66
|
74
|
56
|
53
|
52
|
123
|
88
|
69
|
59
|
65
|
52
|
35
|
39
|
44
|
|
|
2025/03
|
86
|
32
|
23
|
34
|
45
|
58
|
80
|
74
|
71
|
65
|
67
|
68
|
59
|
54
|
40
|
37
|
37
|
34
|
34
|
39
|
49
|
52
|
54
|
54
|
48
|
48
|
112
|
64
|
60
|
63
|
58
|
|
2025/02
|
103
|
72
|
46
|
41
|
35
|
33
|
89
|
47
|
45
|
62
|
91
|
71
|
58
|
61
|
47
|
49
|
64
|
77
|
93
|
104
|
102
|
107
|
91
|
127
|
85
|
68
|
99
|
83
|
|||
|
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
|
|
|
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