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
21 Mar
Sun
22 Mar
Mon
23 Mar
Tue
24 Mar
Wed
25 Mar
Thu
26 Mar
Fri
27 Mar
Real-time AQI (Monitoring Station in Shiyan)
铁二处
9658 *
PM2.5
80
PM10
89
O3
1.0
CO
7
SO2
12
NO2
郧阳区金沙路
6836
PM2.5
75 *
PM10
87
O3
0.8
CO
8
SO2
7
NO2
Air quality in the last 12 months (Shiyan)
|
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
|
|
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
|
|
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