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
21 Sep
Tue
22 Sep
Wed
23 Sep
Thu
24 Sep
Fri
25 Sep
Sat
26 Sep
Sun
27 Sep
Real-time AQI (Monitoring Station in Shiyan)
铁二处
183
PM2.5
18
PM10
55
O3
0.9
CO
7
SO2
19
NO2
郧阳区金沙路
193
PM2.5
17
PM10
59
O3
0.8
CO
8
SO2
8
NO2
Air quality in the last 12 months (Shiyan)
|
2026/08
|
25
|
21
|
21
|
18
|
28
|
33
|
34
|
37
|
38
|
30
|
22
|
18
|
24
|
29
|
31
|
31
|
36
|
36
|
36
|
39
|
39
|
32
|
29
|
28
|
30
|
32
|
32
|
43
|
26
|
35
|
39
|
|
2026/07
|
35
|
31
|
30
|
27
|
27
|
29
|
32
|
31
|
31
|
28
|
29
|
27
|
25
|
35
|
33
|
29
|
25
|
30
|
52
|
45
|
43
|
41
|
33
|
33
|
36
|
35
|
25
|
17
|
18
|
24
|
29
|
|
2026/06
|
36
|
46
|
44
|
53
|
50
|
42
|
26
|
20
|
27
|
30
|
30
|
27
|
27
|
32
|
56
|
46
|
39
|
32
|
25
|
25
|
27
|
31
|
29
|
30
|
29
|
30
|
35
|
32
|
34
|
36
|
|
|
2026/05
|
50
|
42
|
37
|
32
|
38
|
43
|
37
|
52
|
36
|
35
|
43
|
65
|
61
|
28
|
38
|
41
|
24
|
21
|
23
|
29
|
33
|
32
|
37
|
26
|
20
|
22
|
26
|
41
|
33
|
33
|
37
|
|
2026/04
|
42
|
52
|
57
|
85
|
67
|
76
|
66
|
49
|
37
|
51
|
62
|
47
|
47
|
46
|
43
|
43
|
55
|
57
|
111
|
105
|
52
|
23
|
27
|
36
|
41
|
52
|
56
|
50
|
43
|
39
|
|
|
2026/03
|
23
|
30
|
37
|
52
|
71
|
71
|
58
|
54
|
60
|
93
|
91
|
175
|
114
|
91
|
20
|
31
|
46
|
42
|
73
|
72
|
68
|
68
|
87
|
55
|
39
|
55
|
48
|
46
|
52
|
38
|
38
|
|
2026/02
|
76
|
66
|
73
|
87
|
67
|
124
|
93
|
87
|
75
|
88
|
93
|
83
|
66
|
59
|
71
|
29
|
54
|
47
|
51
|
41
|
48
|
90
|
148
|
79
|
41
|
28
|
45
|
52
|
|||
|
2026/01
|
53
|
75
|
108
|
65
|
48
|
39
|
42
|
45
|
45
|
53
|
65
|
61
|
66
|
85
|
65
|
60
|
138
|
110
|
60
|
60
|
80
|
86
|
78
|
105
|
94
|
99
|
123
|
118
|
87
|
78
|
71
|
|
2025/12
|
88
|
112
|
87
|
68
|
81
|
76
|
58
|
59
|
86
|
100
|
110
|
98
|
52
|
47
|
54
|
60
|
91
|
122
|
92
|
54
|
48
|
105
|
51
|
72
|
56
|
60
|
64
|
65
|
58
|
89
|
124
|
|
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
|
|
|
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