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
2 Dec
Wed
3 Dec
Thu
4 Dec
Fri
5 Dec
Sat
6 Dec
Sun
7 Dec
Mon
8 Dec
Real-time AQI (Monitoring Station in Hefei)
明珠广场
7639
PM2.5
102 *
PM10
9
O3
0.8
CO
6
SO2
38
NO2
三里街
7434
PM2.5
97 *
PM10
14
O3
0.9
CO
5
SO2
42
NO2
长江中路
7340
PM2.5
95 *
PM10
16
O3
0.8
CO
7
SO2
32
NO2
庐阳区
6529
PM2.5
80 *
PM10
30
O3
0.6
CO
7
SO2
26
NO2
瑶海区
6829
PM2.5
85 *
PM10
26
O3
0.7
CO
6
SO2
35
NO2
包河区
7439
PM2.5
97 *
PM10
8
O3
1.0
CO
8
SO2
55
NO2
滨湖新区
8251
PM2.5
114 *
PM10
1
O3
0.9
CO
7
SO2
61
NO2
高新区
6931
PM2.5
88 *
PM10
18
O3
0.7
CO
6
SO2
41
NO2
高教基地
6733
PM2.5
83 *
PM10
27
O3
0.5
CO
6
SO2
26
NO2
Air quality in the last 12 months (Hefei)
|
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
|
|
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
|
|
|
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