Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
PM2.5
PM10
O3
CO
SO2
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
20 Dec
Sun
21 Dec
Mon
22 Dec
Tue
23 Dec
Wed
24 Dec
Thu
25 Dec
Fri
26 Dec
Real-time AQI (Monitoring Station in Lin'an)
四中
7049
PM2.5
90 *
PM10
54
O3
0.9
CO
10
SO2
32
NO2
Air quality in the last 12 months (Lin'an)
|
2025/11
|
45
|
63
|
37
|
54
|
52
|
53
|
24
|
24
|
15
|
47
|
28
|
35
|
32
|
67
|
77
|
72
|
42
|
30
|
52
|
49
|
54
|
71
|
67
|
66
|
98
|
93
|
114
|
116
|
77
|
62
|
|
|
2025/10
|
35
|
46
|
45
|
48
|
42
|
40
|
58
|
37
|
28
|
34
|
44
|
91
|
63
|
27
|
29
|
16
|
23
|
12
|
16
|
22
|
25
|
28
|
29
|
34
|
46
|
45
|
46
|
42
|
42
|
46
|
25
|
|
2025/09
|
24
|
16
|
20
|
32
|
38
|
34
|
33
|
35
|
17
|
18
|
38
|
34
|
18
|
12
|
23
|
28
|
22
|
16
|
26
|
15
|
26
|
33
|
33
|
22
|
39
|
40
|
38
|
46
|
49
|
38
|
|
|
2025/08
|
25
|
30
|
21
|
29
|
25
|
14
|
14
|
16
|
22
|
26
|
32
|
35
|
17
|
19
|
17
|
21
|
25
|
31
|
33
|
36
|
29
|
16
|
15
|
21
|
20
|
30
|
40
|
20
|
23
|
27
|
26
|
|
2025/07
|
19
|
22
|
26
|
38
|
35
|
26
|
20
|
12
|
15
|
27
|
20
|
13
|
22
|
32
|
37
|
28
|
27
|
32
|
24
|
15
|
14
|
13
|
22
|
21
|
25
|
11
|
16
|
15
|
21
|
11
|
10
|
|
2025/06
|
19
|
11
|
29
|
51
|
33
|
35
|
54
|
23
|
19
|
24
|
25
|
39
|
36
|
19
|
9
|
19
|
37
|
27
|
19
|
17
|
17
|
15
|
16
|
22
|
38
|
33
|
17
|
15
|
15
|
22
|
|
|
2025/05
|
43
|
42
|
53
|
36
|
40
|
79
|
92
|
57
|
14
|
24
|
28
|
40
|
44
|
49
|
64
|
35
|
30
|
62
|
44
|
25
|
15
|
30
|
19
|
42
|
57
|
49
|
56
|
43
|
32
|
48
|
52
|
|
2025/04
|
53
|
51
|
64
|
69
|
62
|
59
|
60
|
58
|
63
|
55
|
59
|
123
|
75
|
86
|
52
|
43
|
59
|
61
|
63
|
79
|
45
|
26
|
44
|
54
|
46
|
53
|
37
|
46
|
54
|
50
|
|
|
2025/03
|
42
|
41
|
26
|
21
|
43
|
55
|
76
|
70
|
87
|
81
|
59
|
53
|
27
|
34
|
14
|
40
|
30
|
44
|
53
|
48
|
36
|
42
|
49
|
60
|
59
|
64
|
56
|
60
|
46
|
62
|
39
|
|
2025/02
|
23
|
42
|
87
|
61
|
42
|
65
|
57
|
25
|
36
|
56
|
102
|
96
|
113
|
87
|
84
|
42
|
66
|
45
|
67
|
44
|
39
|
57
|
87
|
89
|
99
|
81
|
68
|
32
|
|||
|
2025/01
|
110
|
95
|
95
|
115
|
120
|
83
|
83
|
88
|
52
|
38
|
71
|
74
|
84
|
81
|
59
|
48
|
62
|
87
|
77
|
97
|
131
|
145
|
104
|
46
|
33
|
35
|
31
|
43
|
223
|
78
|
63
|
|
2024/12
|
51
|
53
|
93
|
71
|
48
|
66
|
110
|
47
|
61
|
52
|
24
|
73
|
76
|
97
|
60
|
51
|
52
|
76
|
48
|
60
|
76
|
66
|
77
|
79
|
110
|
149
|
80
|
71
|
70
|
97
|
97
|
|
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