Air Quality
Excellent
No health implications.
25
PM2.5
28
PM10
32
O3
0.5
CO
8
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
89
Good
Thu
21 Aug
90
Good
Fri
22 Aug
90
Good
Sat
23 Aug
98
Good
Sun
24 Aug
84
Good
Mon
25 Aug
68
Good
Tue
26 Aug
26
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)
|
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
|
|
2024/11
|
12
|
26
|
40
|
64
|
42
|
40
|
35
|
49
|
46
|
39
|
42
|
52
|
58
|
51
|
38
|
30
|
19
|
18
|
31
|
45
|
45
|
66
|
47
|
44
|
33
|
25
|
37
|
46
|
40
|
46
|
|
|
2024/10
|
17
|
23
|
32
|
32
|
26
|
9
|
12
|
23
|
46
|
48
|
67
|
67
|
53
|
54
|
54
|
35
|
32
|
30
|
15
|
35
|
48
|
36
|
38
|
50
|
35
|
26
|
14
|
38
|
51
|
36
|
29
|
|
2024/09
|
48
|
49
|
43
|
41
|
34
|
36
|
60
|
40
|
23
|
45
|
17
|
36
|
32
|
27
|
23
|
18
|
17
|
23
|
17
|
15
|
19
|
18
|
25
|
36
|
52
|
59
|
21
|
33
|
40
|
31
|
|
|
2024/08
|
19
|
20
|
24
|
28
|
22
|
26
|
38
|
29
|
33
|
33
|
30
|
21
|
22
|
24
|
24
|
45
|
36
|
38
|
23
|
19
|
15
|
23
|
31
|
45
|
43
|
45
|
38
|
26
|
35
|
35
|
42
|
|
2024/07
|
16
|
17
|
18
|
20
|
24
|
20
|
18
|
20
|
24
|
30
|
38
|
31
|
17
|
22
|
31
|
28
|
31
|
17
|
20
|
20
|
22
|
30
|
30
|
30
|
18
|
15
|
12
|
15
|
15
|
17
|
20
|
|
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