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
6 May
Thu
7 May
Fri
8 May
Sat
9 May
Sun
10 May
Mon
11 May
Tue
12 May
Real-time AQI (Monitoring Station in Shiyan)
铁二处
5129
PM2.5
51 *
PM10
106
O3
0.7
CO
8
SO2
16
NO2
郧阳区金沙路
4632
PM2.5
44
PM10
109
O3
0.7
CO
8
SO2
12
NO2
Air quality in the last 12 months (Shiyan)
|
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
|
|
|
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
|
|
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