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
14 May
Fri
15 May
Sat
16 May
Sun
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Real-time AQI (Monitoring Station in Hefei)
明珠广场
7447 *
PM2.5
66
PM10
151
O3
0.7
CO
8
SO2
13
NO2
三里街
8251 *
PM2.5
63
PM10
125
O3
0.8
CO
7
SO2
17
NO2
琥珀山庄
6241 *
PM2.5
61
PM10
143
O3
0.7
CO
6
SO2
13
NO2
庐阳区
10161 *
PM2.5
70
PM10
135
O3
0.9
CO
9
SO2
18
NO2
瑶海区
7045 *
PM2.5
66
PM10
142
O3
0.8
CO
8
SO2
16
NO2
包河区
6743
PM2.5
73 *
PM10
142
O3
0.8
CO
10
SO2
24
NO2
滨湖新区
7246 *
PM2.5
68
PM10
145
O3
0.8
CO
7
SO2
12
NO2
高新区
7648 *
PM2.5
66
PM10
153
O3
0.7
CO
7
SO2
14
NO2
高教基地
7045 *
PM2.5
70
PM10
125
O3
0.8
CO
10
SO2
16
NO2
中国科学技术大学
6844 *
PM2.5
73
PM10
156
O3
0.8
CO
8
SO2
10
NO2
Air quality in the last 12 months (Hefei)
|
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
|
|
|
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
|
|
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