Air Quality
Excellent
No health implications.
14
PM2.5
18
PM10
62
O3
0.6
CO
13
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
41
Excellent
Thu
6 Feb
47
Excellent
Fri
7 Feb
41
Excellent
Sat
8 Feb
41
Excellent
Sun
9 Feb
47
Excellent
Mon
10 Feb
50
Excellent
Tue
11 Feb
23
Excellent
Air quality in the last 12 months (Longjing)
|
2024/12
|
43
|
19
|
27
|
29
|
22
|
29
|
27
|
28
|
39
|
33
|
23
|
36
|
37
|
39
|
38
|
32
|
39
|
28
|
37
|
48
|
35
|
30
|
28
|
33
|
48
|
60
|
30
|
33
|
34
|
57
|
38
|
|
2024/11
|
43
|
37
|
35
|
29
|
18
|
34
|
32
|
46
|
63
|
58
|
110
|
53
|
49
|
61
|
63
|
26
|
33
|
27
|
30
|
45
|
38
|
22
|
38
|
44
|
48
|
21
|
16
|
29
|
24
|
19
|
|
|
2024/10
|
8
|
18
|
24
|
23
|
26
|
42
|
15
|
26
|
30
|
30
|
27
|
30
|
33
|
32
|
19
|
20
|
36
|
32
|
29
|
26
|
41
|
46
|
17
|
31
|
38
|
48
|
34
|
26
|
32
|
41
|
49
|
|
2024/09
|
25
|
14
|
21
|
25
|
15
|
14
|
22
|
16
|
22
|
18
|
18
|
17
|
18
|
12
|
16
|
21
|
19
|
21
|
33
|
12
|
10
|
11
|
17
|
19
|
22
|
19
|
23
|
22
|
24
|
25
|
|
|
2024/08
|
21
|
20
|
18
|
14
|
12
|
15
|
16
|
25
|
24
|
20
|
9
|
9
|
19
|
28
|
22
|
17
|
15
|
21
|
21
|
8
|
11
|
14
|
12
|
28
|
36
|
26
|
17
|
19
|
25
|
22
|
17
|
|
2024/07
|
31
|
28
|
12
|
24
|
28
|
22
|
11
|
30
|
44
|
52
|
58
|
67
|
56
|
45
|
40
|
31
|
20
|
16
|
21
|
33
|
25
|
22
|
18
|
15
|
16
|
10
|
15
|
13
|
13
|
17
|
21
|
|
2024/06
|
12
|
13
|
16
|
22
|
20
|
20
|
22
|
19
|
15
|
18
|
32
|
23
|
21
|
12
|
15
|
19
|
29
|
19
|
34
|
30
|
32
|
8
|
8
|
17
|
9
|
19
|
27
|
45
|
39
|
30
|
|
|
2024/05
|
27
|
49
|
55
|
44
|
44
|
24
|
25
|
23
|
38
|
36
|
32
|
29
|
39
|
45
|
14
|
21
|
27
|
51
|
20
|
9
|
17
|
35
|
29
|
16
|
17
|
13
|
12
|
14
|
18
|
17
|
14
|
|
2024/04
|
76
|
64
|
54
|
32
|
31
|
49
|
53
|
49
|
41
|
54
|
48
|
44
|
43
|
48
|
41
|
181
|
57
|
48
|
51
|
76
|
43
|
28
|
15
|
14
|
53
|
62
|
47
|
25
|
17
|
21
|
|
|
2024/03
|
64
|
44
|
41
|
42
|
37
|
36
|
37
|
40
|
30
|
48
|
69
|
32
|
48
|
53
|
108
|
52
|
40
|
36
|
36
|
28
|
26
|
35
|
28
|
33
|
24
|
34
|
41
|
50
|
88
|
51
|
53
|
|
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
|
|
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