Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
26
O3
0.4
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
41
Excellent
Sat
22 Aug
44
Excellent
Sun
23 Aug
46
Excellent
Mon
24 Aug
49
Excellent
Tue
25 Aug
49
Excellent
Wed
26 Aug
40
Excellent
Thu
27 Aug
35
Excellent
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)
|
2026/07
|
15
|
14
|
16
|
15
|
11
|
16
|
18
|
13
|
16
|
35
|
22
|
13
|
17
|
20
|
18
|
17
|
19
|
22
|
20
|
20
|
15
|
16
|
22
|
29
|
26
|
19
|
23
|
22
|
18
|
23
|
19
|
|
2026/06
|
58
|
50
|
40
|
30
|
53
|
31
|
35
|
29
|
25
|
38
|
56
|
39
|
30
|
29
|
30
|
24
|
48
|
57
|
24
|
15
|
26
|
29
|
21
|
22
|
30
|
50
|
74
|
43
|
41
|
16
|
|
|
2026/05
|
37
|
50
|
34
|
26
|
36
|
38
|
44
|
29
|
35
|
34
|
28
|
36
|
52
|
38
|
29
|
32
|
32
|
38
|
33
|
17
|
32
|
82
|
36
|
47
|
18
|
18
|
28
|
37
|
55
|
45
|
64
|
|
2026/04
|
30
|
37
|
30
|
29
|
57
|
63
|
51
|
37
|
32
|
35
|
59
|
35
|
39
|
36
|
47
|
57
|
59
|
65
|
46
|
49
|
45
|
21
|
19
|
35
|
56
|
54
|
51
|
40
|
27
|
32
|
|
|
2026/03
|
43
|
17
|
41
|
48
|
49
|
64
|
66
|
44
|
57
|
66
|
58
|
52
|
63
|
69
|
73
|
62
|
66
|
33
|
58
|
89
|
57
|
55
|
49
|
45
|
48
|
84
|
50
|
36
|
44
|
48
|
30
|
|
2026/02
|
36
|
49
|
100
|
94
|
98
|
58
|
29
|
44
|
40
|
41
|
52
|
72
|
79
|
45
|
48
|
27
|
75
|
55
|
50
|
35
|
33
|
61
|
98
|
38
|
40
|
33
|
14
|
35
|
|||
|
2026/01
|
25
|
66
|
99
|
104
|
102
|
87
|
57
|
58
|
65
|
59
|
68
|
66
|
61
|
57
|
61
|
102
|
111
|
108
|
40
|
34
|
82
|
57
|
77
|
97
|
151
|
96
|
45
|
93
|
59
|
29
|
21
|
|
2025/12
|
121
|
96
|
55
|
56
|
73
|
79
|
68
|
108
|
63
|
71
|
80
|
57
|
35
|
53
|
60
|
59
|
101
|
165
|
102
|
91
|
45
|
43
|
59
|
23
|
61
|
50
|
58
|
63
|
58
|
114
|
32
|
|
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
|
|
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
Air quality source: CNEMC
*: primary pollution