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
3 May
Mon
4 May
Tue
5 May
Wed
6 May
Thu
7 May
Fri
8 May
Sat
9 May
Real-time AQI (Monitoring Station in Hefei)
明珠广场
283
PM2.5
17
PM10
88
O3
0.4
CO
7
SO2
17
NO2
三里街
283
PM2.5
19
PM10
89
O3
0.4
CO
6
SO2
14
NO2
琥珀山庄
293
PM2.5
22
PM10
90
O3
0.4
CO
8
SO2
11
NO2
庐阳区
293
PM2.5
19
PM10
91
O3
0.6
CO
5
SO2
13
NO2
瑶海区
303
PM2.5
24
PM10
96
O3
0.3
CO
6
SO2
15
NO2
包河区
393
PM2.5
39
PM10
87
O3
0.3
CO
9
SO2
8
NO2
滨湖新区
273
PM2.5
14
PM10
84
O3
0.3
CO
5
SO2
15
NO2
高新区
303
PM2.5
24
PM10
94
O3
0.4
CO
6
SO2
8
NO2
高教基地
283
PM2.5
22
PM10
87
O3
0.4
CO
8
SO2
9
NO2
中国科学技术大学
323
PM2.5
9
PM10
100
O3
0.5
CO
7
SO2
6
NO2
Air quality in the last 12 months (Hefei)
|
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
|
|
|
2025/08
|
10
|
17
|
24
|
28
|
35
|
22
|
19
|
22
|
27
|
10
|
8
|
18
|
26
|
27
|
24
|
27
|
34
|
32
|
28
|
23
|
23
|
24
|
20
|
25
|
25
|
16
|
29
|
36
|
34
|
18
|
11
|
|
2025/07
|
21
|
21
|
28
|
30
|
34
|
38
|
45
|
23
|
18
|
35
|
37
|
23
|
25
|
37
|
33
|
34
|
20
|
29
|
31
|
21
|
19
|
16
|
23
|
23
|
27
|
21
|
22
|
17
|
26
|
18
|
17
|
|
2025/06
|
19
|
15
|
42
|
56
|
47
|
34
|
21
|
23
|
30
|
37
|
51
|
47
|
49
|
32
|
26
|
43
|
41
|
15
|
10
|
13
|
10
|
19
|
32
|
39
|
32
|
33
|
15
|
14
|
12
|
20
|
|
|
2025/05
|
55
|
59
|
58
|
48
|
46
|
98
|
101
|
52
|
31
|
33
|
39
|
46
|
45
|
46
|
60
|
38
|
84
|
85
|
75
|
47
|
25
|
45
|
63
|
72
|
62
|
61
|
67
|
60
|
53
|
46
|
51
|
|
2025/04
|
53
|
66
|
56
|
64
|
78
|
68
|
65
|
65
|
69
|
74
|
58
|
199
|
86
|
78
|
50
|
57
|
67
|
67
|
75
|
62
|
49
|
65
|
79
|
72
|
62
|
53
|
45
|
68
|
57
|
55
|
|
|
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