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 May
Thu
22 May
Fri
23 May
Sat
24 May
Sun
25 May
Mon
26 May
Tue
27 May
Real-time AQI (Monitoring Station in Xiaogan)
文化路
4022
PM2.5
40
PM10
82
O3
0.6
CO
4
SO2
2
NO2
东城区
5527
PM2.5
59 *
PM10
113
O3
0.7
CO
8
SO2
15
NO2
Air quality in the last 12 months (Xiaogan)
|
2025/04
|
77
|
81
|
71
|
97
|
96
|
81
|
79
|
77
|
73
|
60
|
64
|
224
|
144
|
116
|
67
|
69
|
79
|
80
|
69
|
61
|
42
|
61
|
73
|
74
|
83
|
61
|
56
|
56
|
56
|
45
|
|
|
2025/03
|
95
|
47
|
27
|
48
|
56
|
80
|
99
|
96
|
105
|
93
|
86
|
94
|
90
|
60
|
47
|
58
|
51
|
59
|
61
|
63
|
66
|
69
|
77
|
71
|
60
|
74
|
130
|
82
|
83
|
86
|
86
|
|
2025/02
|
85
|
79
|
104
|
100
|
72
|
53
|
95
|
58
|
68
|
86
|
92
|
105
|
99
|
111
|
102
|
109
|
77
|
74
|
102
|
108
|
83
|
97
|
129
|
138
|
130
|
115
|
74
|
92
|
|||
|
2025/01
|
158
|
176
|
179
|
218
|
94
|
94
|
72
|
84
|
65
|
64
|
96
|
97
|
126
|
144
|
80
|
78
|
102
|
123
|
191
|
152
|
164
|
193
|
212
|
87
|
25
|
49
|
69
|
84
|
211
|
92
|
139
|
|
2024/12
|
82
|
99
|
125
|
90
|
68
|
65
|
64
|
66
|
57
|
88
|
88
|
111
|
95
|
62
|
71
|
84
|
110
|
90
|
95
|
126
|
100
|
58
|
73
|
105
|
146
|
146
|
178
|
65
|
79
|
139
|
152
|
|
2024/11
|
121
|
121
|
128
|
104
|
64
|
72
|
67
|
73
|
73
|
57
|
69
|
73
|
61
|
72
|
103
|
61
|
34
|
32
|
30
|
41
|
57
|
71
|
97
|
84
|
41
|
44
|
57
|
64
|
66
|
74
|
|
|
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
|
|
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