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
15 Mar
Sun
16 Mar
Mon
17 Mar
Tue
18 Mar
Wed
19 Mar
Thu
20 Mar
Fri
21 Mar
Real-time AQI (Monitoring Station in Hefei)
明珠广场
4827
PM2.5
48
PM10
67
O3
0.5
CO
4
SO2
21
NO2
三里街
4824
PM2.5
48
PM10
68
O3
0.3
CO
3
SO2
21
NO2
琥珀山庄
4826
PM2.5
48
PM10
72
O3
0.5
CO
2
SO2
21
NO2
董铺水库
4417
PM2.5
44
PM10
81
O3
0.3
CO
2
SO2
13
NO2
长江中路
5129
PM2.5
51 *
PM10
71
O3
0.4
CO
7
SO2
22
NO2
庐阳区
5119
PM2.5
51 *
PM10
76
O3
0.3
CO
4
SO2
21
NO2
瑶海区
5622
PM2.5
61 *
PM10
66
O3
0.4
CO
6
SO2
23
NO2
包河区
5131
PM2.5
51 *
PM10
55
O3
0.5
CO
3
SO2
32
NO2
滨湖新区
5134
PM2.5
51 *
PM10
60
O3
0.3
CO
5
SO2
27
NO2
高新区
4622
PM2.5
46
PM10
64
O3
0.5
CO
1
SO2
21
NO2
高教基地
4323
PM2.5
43
PM10
77
O3
0.3
CO
5
SO2
16
NO2
Air quality in the last 12 months (Hefei)
|
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
|
|
2024/02
|
19
|
34
|
50
|
58
|
78
|
83
|
89
|
131
|
131
|
236
|
106
|
67
|
41
|
48
|
47
|
30
|
25
|
34
|
72
|
19
|
23
|
42
|
56
|
57
|
79
|
80
|
57
|
68
|
45
|
||
|
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