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
23 Nov
Sun
24 Nov
Mon
25 Nov
Tue
26 Nov
Wed
27 Nov
Thu
28 Nov
Real-time AQI (Monitoring Station in Xiaogan)
文化路
7454 *
PM2.5
71
PM10
34
O3
0.6
CO
9
SO2
36
NO2
东城区
6446 *
PM2.5
67
PM10
30
O3
0.7
CO
10
SO2
32
NO2
Air quality in the last 12 months (Xiaogan)
|
2024/10
|
38
|
64
|
50
|
58
|
71
|
49
|
24
|
43
|
69
|
122
|
99
|
84
|
68
|
67
|
103
|
54
|
32
|
20
|
33
|
44
|
26
|
33
|
57
|
63
|
51
|
52
|
111
|
147
|
106
|
87
|
54
|
|
2024/09
|
41
|
49
|
36
|
40
|
50
|
39
|
41
|
44
|
46
|
40
|
53
|
26
|
20
|
31
|
42
|
33
|
43
|
33
|
22
|
31
|
41
|
38
|
41
|
46
|
80
|
60
|
69
|
43
|
40
|
48
|
|
|
2024/08
|
12
|
15
|
19
|
19
|
20
|
23
|
25
|
29
|
27
|
34
|
89
|
73
|
31
|
33
|
25
|
22
|
26
|
40
|
26
|
22
|
23
|
37
|
27
|
31
|
28
|
36
|
21
|
23
|
32
|
34
|
42
|
|
2024/07
|
25
|
26
|
24
|
18
|
17
|
16
|
20
|
20
|
20
|
16
|
22
|
31
|
12
|
11
|
30
|
31
|
24
|
16
|
16
|
17
|
20
|
22
|
23
|
35
|
26
|
19
|
13
|
10
|
12
|
17
|
16
|
|
2024/06
|
41
|
42
|
35
|
37
|
34
|
46
|
38
|
41
|
32
|
23
|
24
|
30
|
39
|
37
|
37
|
39
|
40
|
39
|
13
|
22
|
18
|
20
|
24
|
29
|
22
|
35
|
18
|
11
|
14
|
18
|
|
|
2024/05
|
56
|
51
|
39
|
35
|
46
|
43
|
51
|
51
|
60
|
54
|
75
|
129
|
102
|
76
|
88
|
63
|
67
|
61
|
69
|
45
|
52
|
30
|
25
|
42
|
38
|
45
|
40
|
33
|
44
|
42
|
49
|
|
2024/04
|
47
|
31
|
72
|
71
|
60
|
43
|
57
|
51
|
41
|
52
|
49
|
46
|
50
|
50
|
58
|
39
|
56
|
54
|
36
|
56
|
75
|
70
|
85
|
115
|
107
|
89
|
62
|
43
|
40
|
54
|
|
|
2024/03
|
88
|
82
|
60
|
50
|
142
|
99
|
93
|
81
|
76
|
104
|
89
|
83
|
75
|
62
|
68
|
108
|
96
|
74
|
76
|
90
|
72
|
69
|
58
|
35
|
39
|
48
|
50
|
70
|
46
|
57
|
66
|
|
2024/02
|
65
|
59
|
89
|
121
|
89
|
122
|
136
|
132
|
155
|
209
|
166
|
85
|
58
|
66
|
66
|
41
|
41
|
47
|
76
|
17
|
41
|
50
|
58
|
59
|
90
|
98
|
106
|
94
|
111
|
||
|
2024/01
|
150
|
130
|
69
|
80
|
94
|
124
|
160
|
170
|
215
|
165
|
161
|
160
|
128
|
195
|
105
|
55
|
42
|
67
|
39
|
70
|
94
|
60
|
44
|
54
|
66
|
86
|
98
|
96
|
107
|
138
|
172
|
|
2023/12
|
55
|
62
|
82
|
98
|
102
|
114
|
69
|
73
|
88
|
66
|
38
|
43
|
56
|
18
|
39
|
41
|
39
|
36
|
63
|
133
|
72
|
55
|
81
|
100
|
107
|
99
|
209
|
244
|
269
|
231
|
111
|
|
2023/11
|
71
|
67
|
98
|
81
|
49
|
38
|
52
|
50
|
66
|
74
|
45
|
67
|
68
|
69
|
94
|
101
|
115
|
84
|
74
|
76
|
75
|
86
|
78
|
59
|
55
|
74
|
93
|
100
|
88
|
47
|
|
|
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