Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Dec
Sat
20 Dec
Sun
21 Dec
Mon
22 Dec
Tue
23 Dec
Wed
24 Dec
Thu
25 Dec
Shiyan Air quality rank
Real-time AQI (Monitoring Station in Shiyan)
刘家沟
9873 *
PM2.5
99
PM10
6
O3
1.0
CO
6
SO2
28
NO2
铁二处
10478 *
PM2.5
114
PM10
0
O3
1.3
CO
7
SO2
34
NO2
郧阳区金沙路
7958 *
PM2.5
80
PM10
26
O3
0.9
CO
6
SO2
25
NO2
Air quality in the last 12 months (Shiyan)
|
2025/11
|
34
|
42
|
84
|
88
|
125
|
87
|
26
|
28
|
51
|
69
|
62
|
61
|
55
|
70
|
59
|
50
|
20
|
24
|
27
|
31
|
36
|
42
|
38
|
51
|
44
|
62
|
110
|
65
|
58
|
58
|
|
|
2025/10
|
21
|
13
|
18
|
22
|
16
|
13
|
17
|
20
|
18
|
17
|
22
|
25
|
21
|
26
|
31
|
34
|
20
|
27
|
47
|
34
|
33
|
46
|
59
|
74
|
52
|
36
|
38
|
48
|
79
|
54
|
35
|
|
2025/09
|
24
|
29
|
43
|
27
|
22
|
34
|
29
|
23
|
24
|
34
|
16
|
18
|
21
|
29
|
31
|
32
|
18
|
18
|
19
|
21
|
28
|
25
|
15
|
18
|
27
|
24
|
21
|
20
|
17
|
17
|
|
|
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
|
|
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