Air Quality
Excellent
No health implications.
6
PM2.5
8
PM10
90
O3
0.5
CO
5
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
45
Excellent
Wed
1 May
72
Good
Thu
2 May
83
Good
Fri
3 May
79
Good
Sat
4 May
65
Good
Sun
5 May
56
Good
Mon
6 May
54
Good
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)
|
2024/02
|
24
|
21
|
19
|
23
|
37
|
71
|
78
|
98
|
130
|
221
|
75
|
57
|
42
|
36
|
32
|
27
|
37
|
38
|
44
|
13
|
15
|
18
|
29
|
39
|
56
|
83
|
89
|
62
|
32
|
||
|
2024/01
|
192
|
159
|
84
|
81
|
56
|
84
|
165
|
99
|
125
|
149
|
128
|
69
|
86
|
90
|
86
|
76
|
73
|
87
|
22
|
23
|
68
|
47
|
30
|
43
|
64
|
77
|
115
|
110
|
125
|
110
|
79
|
|
2023/12
|
35
|
59
|
90
|
112
|
60
|
58
|
76
|
59
|
53
|
71
|
24
|
24
|
67
|
44
|
27
|
37
|
46
|
38
|
45
|
73
|
47
|
50
|
60
|
72
|
72
|
91
|
112
|
159
|
206
|
191
|
159
|
|
2023/11
|
58
|
48
|
55
|
62
|
55
|
26
|
43
|
51
|
40
|
25
|
24
|
31
|
58
|
59
|
92
|
69
|
77
|
61
|
53
|
53
|
61
|
55
|
72
|
45
|
56
|
69
|
64
|
63
|
74
|
52
|
|
|
2023/10
|
36
|
29
|
32
|
26
|
32
|
32
|
25
|
23
|
34
|
44
|
48
|
47
|
48
|
44
|
46
|
56
|
75
|
71
|
57
|
31
|
40
|
52
|
51
|
54
|
67
|
84
|
94
|
38
|
48
|
61
|
66
|
|
2023/09
|
42
|
52
|
47
|
31
|
26
|
41
|
47
|
55
|
61
|
55
|
68
|
72
|
32
|
19
|
18
|
22
|
22
|
38
|
40
|
28
|
27
|
22
|
20
|
39
|
46
|
66
|
62
|
61
|
47
|
24
|
|
|
2023/08
|
21
|
29
|
28
|
26
|
33
|
44
|
44
|
33
|
41
|
39
|
45
|
56
|
59
|
44
|
35
|
35
|
37
|
55
|
35
|
32
|
33
|
24
|
30
|
54
|
62
|
40
|
28
|
21
|
23
|
27
|
28
|
|
2023/07
|
21
|
25
|
21
|
20
|
21
|
23
|
24
|
24
|
30
|
33
|
33
|
31
|
31
|
32
|
36
|
32
|
27
|
26
|
29
|
16
|
17
|
16
|
15
|
25
|
33
|
28
|
18
|
11
|
17
|
25
|
23
|
|
2023/06
|
52
|
69
|
75
|
68
|
56
|
35
|
33
|
28
|
39
|
49
|
69
|
74
|
39
|
60
|
66
|
70
|
33
|
32
|
26
|
24
|
36
|
60
|
31
|
19
|
16
|
20
|
26
|
28
|
22
|
31
|
|
|
2023/05
|
60
|
52
|
44
|
42
|
29
|
50
|
30
|
41
|
55
|
58
|
36
|
41
|
45
|
49
|
47
|
54
|
29
|
27
|
35
|
71
|
80
|
34
|
65
|
52
|
46
|
69
|
60
|
41
|
39
|
55
|
39
|
|
2023/04
|
50
|
57
|
47
|
32
|
25
|
36
|
35
|
55
|
61
|
58
|
67
|
300
|
107
|
57
|
64
|
74
|
73
|
62
|
38
|
30
|
41
|
65
|
66
|
36
|
48
|
41
|
56
|
59
|
68
|
80
|
|
|
2023/03
|
58
|
106
|
94
|
96
|
85
|
75
|
59
|
68
|
53
|
57
|
67
|
65
|
66
|
57
|
65
|
80
|
34
|
38
|
47
|
39
|
33
|
31
|
20
|
109
|
47
|
59
|
94
|
95
|
64
|
28
|
45
|
|
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