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
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Tue
27 Oct
Wed
28 Oct
Real-time AQI (Monitoring Station in Hefei)
明珠广场
396
PM2.5
39
PM10
61
O3
0.5
CO
4
SO2
34
NO2
三里街
276
PM2.5
27
PM10
51
O3
0.8
CO
7
SO2
32
NO2
琥珀山庄
416
PM2.5
41
PM10
60
O3
0.2
CO
7
SO2
30
NO2
庐阳区
418
PM2.5
41
PM10
74
O3
0.5
CO
7
SO2
26
NO2
瑶海区
488
PM2.5
48
PM10
54
O3
0.6
CO
4
SO2
30
NO2
包河区
446
PM2.5
44
PM10
21
O3
0.6
CO
5
SO2
84
NO2
滨湖新区
347
PM2.5
34
PM10
83
O3
0.4
CO
8
SO2
25
NO2
高新区
346
PM2.5
34
PM10
67
O3
0.4
CO
7
SO2
34
NO2
高教基地
343
PM2.5
34
PM10
69
O3
0.6
CO
9
SO2
20
NO2
中国科学技术大学
398
PM2.5
39
PM10
71
O3
0.3
CO
9
SO2
28
NO2
Air quality in the last 12 months (Hefei)
|
2026/08
|
25
|
26
|
33
|
48
|
43
|
34
|
28
|
28
|
31
|
16
|
16
|
14
|
17
|
16
|
21
|
32
|
28
|
44
|
42
|
28
|
25
|
22
|
23
|
20
|
22
|
28
|
39
|
21
|
25
|
23
|
41
|
|
2026/07
|
28
|
27
|
22
|
15
|
14
|
15
|
15
|
19
|
21
|
25
|
33
|
18
|
17
|
28
|
22
|
24
|
26
|
32
|
34
|
26
|
21
|
18
|
18
|
23
|
33
|
37
|
25
|
27
|
19
|
20
|
22
|
|
2026/06
|
78
|
83
|
69
|
64
|
60
|
43
|
62
|
39
|
46
|
65
|
59
|
55
|
34
|
35
|
33
|
33
|
47
|
59
|
23
|
23
|
31
|
29
|
26
|
22
|
30
|
50
|
68
|
78
|
78
|
34
|
|
|
2026/05
|
37
|
37
|
37
|
28
|
33
|
37
|
46
|
37
|
41
|
39
|
46
|
67
|
70
|
66
|
36
|
42
|
45
|
49
|
23
|
22
|
38
|
56
|
58
|
50
|
26
|
19
|
23
|
45
|
59
|
63
|
70
|
|
2026/04
|
78
|
62
|
50
|
52
|
64
|
68
|
58
|
45
|
34
|
41
|
67
|
35
|
33
|
36
|
57
|
66
|
66
|
60
|
60
|
46
|
53
|
17
|
28
|
41
|
50
|
45
|
52
|
30
|
31
|
37
|
|
|
2026/03
|
31
|
20
|
70
|
58
|
56
|
60
|
52
|
59
|
71
|
83
|
61
|
82
|
86
|
65
|
82
|
46
|
59
|
46
|
92
|
112
|
91
|
65
|
72
|
64
|
71
|
70
|
74
|
61
|
62
|
51
|
93
|
|
2026/02
|
45
|
60
|
86
|
79
|
80
|
68
|
45
|
52
|
42
|
55
|
83
|
87
|
71
|
70
|
71
|
29
|
95
|
62
|
68
|
57
|
36
|
128
|
126
|
16
|
43
|
29
|
22
|
42
|
|||
|
2026/01
|
30
|
74
|
85
|
89
|
84
|
71
|
44
|
66
|
64
|
99
|
65
|
64
|
79
|
74
|
84
|
88
|
170
|
101
|
17
|
43
|
52
|
46
|
72
|
92
|
126
|
31
|
51
|
98
|
80
|
24
|
35
|
|
2025/12
|
111
|
81
|
70
|
60
|
67
|
84
|
88
|
98
|
67
|
79
|
132
|
47
|
48
|
69
|
60
|
63
|
176
|
150
|
139
|
172
|
49
|
42
|
48
|
86
|
76
|
46
|
57
|
72
|
82
|
139
|
37
|
|
2025/11
|
86
|
65
|
49
|
60
|
64
|
54
|
17
|
23
|
91
|
74
|
43
|
42
|
66
|
125
|
118
|
98
|
39
|
37
|
41
|
49
|
75
|
83
|
96
|
103
|
94
|
84
|
222
|
134
|
82
|
77
|
|
|
2025/10
|
32
|
34
|
18
|
34
|
53
|
56
|
52
|
45
|
43
|
60
|
55
|
58
|
22
|
34
|
41
|
34
|
27
|
15
|
24
|
29
|
22
|
30
|
32
|
40
|
44
|
39
|
67
|
76
|
63
|
57
|
70
|
|
2025/09
|
22
|
25
|
29
|
37
|
41
|
39
|
47
|
44
|
24
|
28
|
35
|
25
|
19
|
25
|
24
|
36
|
26
|
22
|
30
|
20
|
41
|
37
|
50
|
11
|
11
|
20
|
29
|
29
|
36
|
23
|
|
|
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