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
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
4822
PM2.5
48
PM10
61
O3
0.5
CO
4
SO2
28
NO2
三里街
5124
PM2.5
51 *
PM10
59
O3
0.4
CO
3
SO2
30
NO2
琥珀山庄
5325
PM2.5
56 *
PM10
58
O3
0.6
CO
2
SO2
32
NO2
董铺水库
4114
PM2.5
41
PM10
76
O3
0.3
CO
3
SO2
16
NO2
长江中路
5229
PM2.5
53 *
PM10
66
O3
0.5
CO
7
SO2
29
NO2
庐阳区
5724
PM2.5
63 *
PM10
63
O3
0.4
CO
5
SO2
30
NO2
瑶海区
5324
PM2.5
56 *
PM10
56
O3
0.4
CO
6
SO2
33
NO2
包河区
5322
PM2.5
56 *
PM10
23
O3
0.5
CO
4
SO2
70
NO2
滨湖新区
5229
PM2.5
53 *
PM10
56
O3
0.4
CO
7
SO2
32
NO2
高新区
5120
PM2.5
51 *
PM10
56
O3
0.5
CO
2
SO2
31
NO2
高教基地
3918
PM2.5
39
PM10
68
O3
0.3
CO
6
SO2
18
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
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3
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4
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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