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
12 Dec
Sat
13 Dec
Sun
14 Dec
Mon
15 Dec
Tue
16 Dec
Wed
17 Dec
Thu
18 Dec
Hefei Air quality rank
Real-time AQI (Monitoring Station in Hefei)
明珠广场
3614
PM2.5
36
PM10
50
O3
0.6
CO
6
SO2
10
NO2
三里街
449
PM2.5
44
PM10
48
O3
0.6
CO
4
SO2
19
NO2
琥珀山庄
4115
PM2.5
41
PM10
53
O3
0.5
CO
7
SO2
13
NO2
长江中路
2910
PM2.5
29
PM10
52
O3
0.5
CO
7
SO2
13
NO2
庐阳区
279
PM2.5
27
PM10
52
O3
0.5
CO
8
SO2
19
NO2
瑶海区
317
PM2.5
31
PM10
50
O3
0.5
CO
5
SO2
20
NO2
包河区
3419
PM2.5
34
PM10
41
O3
0.6
CO
6
SO2
25
NO2
滨湖新区
3417
PM2.5
34
PM10
53
O3
0.5
CO
4
SO2
14
NO2
高新区
3415
PM2.5
34
PM10
53
O3
0.4
CO
4
SO2
17
NO2
高教基地
2911
PM2.5
29
PM10
54
O3
0.4
CO
6
SO2
14
NO2
Air quality in the last 12 months (Hefei)
|
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
|
|
|
2025/03
|
52
|
42
|
23
|
63
|
78
|
69
|
62
|
73
|
95
|
84
|
60
|
131
|
93
|
41
|
38
|
51
|
38
|
50
|
52
|
50
|
50
|
60
|
62
|
91
|
65
|
66
|
101
|
84
|
166
|
88
|
53
|
|
2025/02
|
67
|
53
|
111
|
69
|
52
|
45
|
85
|
38
|
43
|
53
|
66
|
98
|
62
|
83
|
95
|
86
|
71
|
56
|
69
|
66
|
55
|
66
|
97
|
81
|
77
|
114
|
67
|
59
|
|||
|
2025/01
|
86
|
147
|
180
|
131
|
101
|
74
|
51
|
66
|
49
|
54
|
66
|
76
|
86
|
113
|
65
|
65
|
75
|
81
|
114
|
155
|
113
|
165
|
151
|
61
|
27
|
61
|
48
|
52
|
119
|
66
|
104
|
|
2024/12
|
58
|
76
|
87
|
55
|
72
|
124
|
118
|
48
|
52
|
61
|
96
|
79
|
88
|
74
|
57
|
57
|
79
|
88
|
53
|
71
|
87
|
60
|
67
|
79
|
98
|
123
|
83
|
90
|
72
|
75
|
99
|
|
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