Air Quality
Excellent
No health implications.
2
PM2.5
3
PM10
68
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
62
Good
Thu
25 Apr
60
Good
Fri
26 Apr
62
Good
Sat
27 Apr
63
Good
Sun
28 Apr
61
Good
Mon
29 Apr
57
Good
Tue
30 Apr
57
Good
Air quality in the last 12 months (Longjing)
|
2024/02
|
33
|
29
|
29
|
33
|
38
|
32
|
36
|
36
|
40
|
77
|
53
|
60
|
72
|
71
|
39
|
41
|
51
|
69
|
37
|
26
|
25
|
30
|
35
|
66
|
88
|
50
|
50
|
49
|
55
|
||
|
2024/01
|
85
|
82
|
72
|
83
|
44
|
32
|
24
|
46
|
41
|
47
|
47
|
29
|
40
|
41
|
26
|
40
|
41
|
35
|
35
|
31
|
20
|
32
|
23
|
27
|
31
|
39
|
53
|
54
|
62
|
71
|
50
|
|
2023/12
|
33
|
42
|
42
|
78
|
83
|
78
|
25
|
47
|
37
|
21
|
21
|
27
|
40
|
27
|
23
|
25
|
25
|
36
|
42
|
35
|
34
|
36
|
49
|
68
|
74
|
38
|
44
|
50
|
71
|
88
|
69
|
|
2023/11
|
34
|
35
|
32
|
36
|
33
|
16
|
20
|
27
|
23
|
20
|
20
|
26
|
22
|
35
|
44
|
47
|
24
|
31
|
28
|
32
|
52
|
70
|
25
|
20
|
25
|
30
|
40
|
26
|
26
|
25
|
|
|
2023/10
|
24
|
24
|
26
|
23
|
22
|
22
|
23
|
24
|
29
|
36
|
31
|
28
|
33
|
41
|
39
|
33
|
35
|
36
|
18
|
18
|
24
|
27
|
39
|
57
|
62
|
41
|
32
|
35
|
41
|
56
|
64
|
|
2023/09
|
20
|
24
|
27
|
25
|
28
|
21
|
25
|
29
|
40
|
33
|
26
|
20
|
17
|
19
|
23
|
26
|
18
|
21
|
24
|
19
|
22
|
27
|
21
|
20
|
21
|
24
|
25
|
27
|
21
|
20
|
|
|
2023/08
|
28
|
25
|
24
|
30
|
18
|
15
|
19
|
16
|
14
|
11
|
13
|
15
|
18
|
15
|
17
|
20
|
19
|
23
|
19
|
26
|
19
|
17
|
20
|
25
|
19
|
20
|
22
|
22
|
18
|
14
|
17
|
|
2023/07
|
18
|
33
|
28
|
25
|
24
|
23
|
24
|
22
|
22
|
22
|
23
|
22
|
28
|
22
|
14
|
14
|
17
|
21
|
26
|
35
|
27
|
21
|
17
|
21
|
24
|
22
|
24
|
18
|
17
|
16
|
23
|
|
2023/06
|
60
|
30
|
24
|
25
|
28
|
24
|
25
|
26
|
23
|
26
|
30
|
26
|
24
|
27
|
31
|
41
|
51
|
35
|
29
|
22
|
20
|
17
|
24
|
21
|
29
|
23
|
19
|
34
|
35
|
27
|
|
|
2023/05
|
33
|
35
|
55
|
51
|
35
|
27
|
29
|
43
|
46
|
33
|
36
|
39
|
30
|
29
|
36
|
36
|
35
|
28
|
29
|
24
|
72
|
32
|
30
|
40
|
39
|
34
|
32
|
41
|
35
|
30
|
30
|
|
2023/04
|
51
|
43
|
52
|
60
|
53
|
42
|
103
|
47
|
47
|
75
|
205
|
173
|
170
|
59
|
51
|
31
|
48
|
66
|
89
|
122
|
249
|
51
|
39
|
43
|
49
|
32
|
32
|
42
|
32
|
28
|
|
|
2023/03
|
40
|
37
|
47
|
53
|
59
|
78
|
85
|
54
|
24
|
30
|
50
|
36
|
31
|
38
|
35
|
41
|
32
|
41
|
41
|
44
|
58
|
56
|
164
|
87
|
57
|
39
|
45
|
42
|
47
|
59
|
47
|
|
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