Air Quality
Excellent
No health implications.
22
PM2.5
47
PM10
148
O3
0.4
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
114
Light
Sat
3 May
120
Light
Sun
4 May
100
Good
Mon
5 May
54
Good
Tue
6 May
81
Good
Wed
7 May
93
Good
Thu
8 May
48
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)
|
2025/02
|
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
|
|
2024/06
|
16
|
32
|
34
|
40
|
42
|
28
|
20
|
29
|
39
|
25
|
17
|
17
|
35
|
56
|
55
|
58
|
23
|
30
|
16
|
10
|
19
|
22
|
11
|
13
|
13
|
13
|
14
|
16
|
15
|
19
|
|
|
2024/05
|
19
|
38
|
49
|
33
|
19
|
21
|
45
|
53
|
35
|
50
|
48
|
42
|
56
|
54
|
54
|
31
|
42
|
51
|
53
|
54
|
38
|
41
|
57
|
53
|
49
|
22
|
19
|
18
|
32
|
50
|
20
|
|
2024/04
|
46
|
18
|
15
|
35
|
45
|
44
|
30
|
15
|
39
|
70
|
66
|
69
|
59
|
17
|
35
|
84
|
23
|
25
|
59
|
29
|
40
|
30
|
23
|
40
|
58
|
49
|
49
|
45
|
20
|
25
|
|
|
2024/03
|
40
|
53
|
51
|
75
|
36
|
43
|
77
|
66
|
80
|
100
|
70
|
73
|
83
|
104
|
114
|
53
|
61
|
54
|
53
|
64
|
59
|
53
|
56
|
56
|
50
|
24
|
60
|
32
|
30
|
41
|
83
|
|
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