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
11 Jul
Sat
12 Jul
Sun
13 Jul
Mon
14 Jul
Tue
15 Jul
Wed
16 Jul
Thu
17 Jul
Real-time AQI (Monitoring Station in Hefei)
明珠广场
4427
PM2.5
44
PM10
23
O3
0.5
CO
7
SO2
18
NO2
三里街
4531
PM2.5
41
PM10
18
O3
0.4
CO
6
SO2
13
NO2
琥珀山庄
5438 *
PM2.5
41
PM10
24
O3
0.5
CO
8
SO2
14
NO2
董铺水库
4124
PM2.5
41
PM10
23
O3
0.2
CO
4
SO2
11
NO2
长江中路
4531
PM2.5
41
PM10
24
O3
0.2
CO
6
SO2
12
NO2
庐阳区
3927
PM2.5
39
PM10
20
O3
0.5
CO
6
SO2
13
NO2
瑶海区
4127
PM2.5
41
PM10
20
O3
0.5
CO
7
SO2
15
NO2
包河区
4127
PM2.5
41
PM10
13
O3
0.3
CO
5
SO2
33
NO2
滨湖新区
6244 *
PM2.5
46
PM10
26
O3
0.5
CO
6
SO2
17
NO2
高新区
4128
PM2.5
41
PM10
28
O3
0.4
CO
9
SO2
14
NO2
高教基地
4330
PM2.5
39
PM10
16
O3
0.5
CO
4
SO2
11
NO2
Air quality in the last 12 months (Hefei)
|
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
|
|
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
|
|
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