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
22 Nov
Sat
23 Nov
Sun
24 Nov
Mon
25 Nov
Tue
26 Nov
Wed
27 Nov
Thu
28 Nov
Real-time AQI (Monitoring Station in Hefei)
三里街
7756 *
PM2.5
73
PM10
53
O3
0.6
CO
6
SO2
37
NO2
琥珀山庄
7857 *
PM2.5
83
PM10
63
O3
0.7
CO
10
SO2
41
NO2
董铺水库
5836
PM2.5
66 *
PM10
48
O3
0.6
CO
5
SO2
32
NO2
瑶海区
7353 *
PM2.5
83
PM10
65
O3
0.7
CO
8
SO2
45
NO2
包河区
8361 *
PM2.5
85
PM10
39
O3
0.7
CO
5
SO2
57
NO2
滨湖新区
5841
PM2.5
66
PM10
75
O3
0.4
CO
6
SO2
16
NO2
高新区
7252 *
PM2.5
70
PM10
52
O3
0.7
CO
4
SO2
39
NO2
高教基地
6547 *
PM2.5
64
PM10
73
O3
0.5
CO
7
SO2
27
NO2
Air quality in the last 12 months (Hefei)
|
2024/10
|
28
|
45
|
27
|
30
|
32
|
15
|
12
|
36
|
46
|
61
|
70
|
66
|
68
|
56
|
60
|
63
|
33
|
16
|
30
|
36
|
47
|
40
|
56
|
52
|
44
|
40
|
55
|
107
|
91
|
46
|
42
|
|
2024/09
|
45
|
42
|
29
|
45
|
45
|
48
|
42
|
46
|
32
|
32
|
24
|
13
|
20
|
40
|
33
|
33
|
17
|
30
|
26
|
22
|
28
|
31
|
34
|
37
|
53
|
49
|
28
|
46
|
46
|
51
|
|
|
2024/08
|
19
|
23
|
27
|
29
|
33
|
33
|
34
|
37
|
44
|
36
|
64
|
69
|
47
|
26
|
26
|
25
|
39
|
39
|
44
|
23
|
36
|
37
|
38
|
41
|
49
|
47
|
21
|
18
|
23
|
34
|
44
|
|
2024/07
|
18
|
17
|
22
|
23
|
26
|
26
|
26
|
26
|
29
|
27
|
40
|
35
|
14
|
10
|
27
|
42
|
30
|
27
|
30
|
23
|
28
|
28
|
35
|
47
|
26
|
27
|
14
|
14
|
16
|
20
|
24
|
|
2024/06
|
48
|
44
|
45
|
51
|
47
|
30
|
43
|
51
|
48
|
22
|
32
|
43
|
39
|
47
|
55
|
48
|
40
|
44
|
25
|
33
|
23
|
19
|
28
|
34
|
28
|
49
|
38
|
11
|
9
|
12
|
|
|
2024/05
|
46
|
47
|
46
|
43
|
49
|
35
|
51
|
47
|
51
|
61
|
52
|
132
|
90
|
66
|
65
|
44
|
61
|
66
|
57
|
55
|
52
|
45
|
53
|
62
|
55
|
35
|
27
|
36
|
44
|
45
|
48
|
|
2024/04
|
83
|
30
|
60
|
52
|
47
|
49
|
48
|
41
|
55
|
68
|
65
|
76
|
82
|
58
|
63
|
63
|
57
|
66
|
54
|
54
|
59
|
63
|
91
|
82
|
69
|
73
|
69
|
43
|
37
|
49
|
|
|
2024/03
|
53
|
58
|
56
|
70
|
63
|
72
|
75
|
75
|
63
|
90
|
83
|
77
|
84
|
91
|
110
|
113
|
125
|
62
|
89
|
100
|
70
|
59
|
55
|
67
|
43
|
53
|
76
|
64
|
59
|
52
|
100
|
|
2024/02
|
19
|
34
|
50
|
58
|
78
|
83
|
89
|
131
|
131
|
236
|
106
|
67
|
41
|
48
|
47
|
30
|
25
|
34
|
72
|
19
|
23
|
42
|
56
|
57
|
79
|
80
|
57
|
68
|
45
|
||
|
2024/01
|
150
|
118
|
83
|
73
|
75
|
138
|
129
|
61
|
116
|
184
|
153
|
99
|
108
|
172
|
58
|
49
|
35
|
51
|
24
|
79
|
83
|
38
|
26
|
43
|
61
|
72
|
79
|
82
|
108
|
104
|
78
|
|
2023/12
|
53
|
59
|
73
|
88
|
89
|
113
|
83
|
67
|
59
|
69
|
20
|
63
|
63
|
36
|
34
|
49
|
29
|
35
|
74
|
87
|
50
|
48
|
57
|
71
|
76
|
82
|
166
|
278
|
207
|
178
|
134
|
|
2023/11
|
65
|
53
|
67
|
95
|
73
|
44
|
50
|
59
|
56
|
43
|
32
|
70
|
55
|
59
|
71
|
105
|
82
|
63
|
65
|
75
|
67
|
60
|
97
|
53
|
53
|
73
|
80
|
94
|
92
|
45
|
|
|
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