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
10 May
Sun
11 May
Mon
12 May
Tue
13 May
Wed
14 May
Thu
15 May
Fri
16 May
Real-time AQI (Monitoring Station in Hefei)
明珠广场
367
PM2.5
36
PM10
78
O3
0.3
CO
5
SO2
15
NO2
三里街
367
PM2.5
36
PM10
74
O3
0.4
CO
5
SO2
11
NO2
琥珀山庄
2710
PM2.5
27
PM10
75
O3
0.4
CO
4
SO2
12
NO2
董铺水库
343
PM2.5
34
PM10
77
O3
0.3
CO
1
SO2
10
NO2
长江中路
3611
PM2.5
36
PM10
76
O3
0.4
CO
6
SO2
13
NO2
庐阳区
347
PM2.5
34
PM10
76
O3
0.4
CO
6
SO2
8
NO2
瑶海区
313
PM2.5
31
PM10
71
O3
0.3
CO
6
SO2
12
NO2
包河区
447
PM2.5
44
PM10
75
O3
0.4
CO
7
SO2
18
NO2
滨湖新区
399
PM2.5
39
PM10
72
O3
0.5
CO
8
SO2
15
NO2
高新区
483
PM2.5
48
PM10
78
O3
0.4
CO
2
SO2
10
NO2
高教基地
419
PM2.5
41
PM10
60
O3
0.2
CO
6
SO2
26
NO2
Air quality in the last 12 months (Hefei)
|
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
|
|
2024/11
|
51
|
85
|
78
|
75
|
51
|
52
|
45
|
45
|
54
|
50
|
53
|
59
|
60
|
73
|
88
|
64
|
28
|
31
|
28
|
37
|
44
|
74
|
46
|
44
|
40
|
48
|
66
|
59
|
44
|
59
|
|
|
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
|
|
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