Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
50
O3
0.5
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Dec
57
Good
Fri
12 Dec
54
Good
Sat
13 Dec
47
Excellent
Sun
14 Dec
50
Excellent
Mon
15 Dec
50
Excellent
Tue
16 Dec
46
Excellent
Wed
17 Dec
50
Excellent
Longjing Air quality rank
Air quality in the last 12 months (Longjing)
|
2025/11
|
26
|
25
|
32
|
46
|
45
|
48
|
36
|
33
|
34
|
25
|
40
|
44
|
34
|
57
|
51
|
35
|
36
|
37
|
33
|
38
|
40
|
47
|
62
|
101
|
112
|
81
|
70
|
34
|
36
|
35
|
|
|
2025/10
|
23
|
31
|
31
|
31
|
19
|
20
|
25
|
36
|
26
|
26
|
16
|
23
|
26
|
35
|
40
|
41
|
27
|
18
|
17
|
23
|
27
|
29
|
34
|
40
|
46
|
42
|
44
|
57
|
63
|
45
|
27
|
|
2025/09
|
11
|
16
|
24
|
26
|
28
|
19
|
21
|
23
|
21
|
20
|
19
|
27
|
31
|
33
|
23
|
26
|
17
|
19
|
21
|
20
|
24
|
22
|
28
|
18
|
26
|
25
|
21
|
16
|
27
|
27
|
|
|
2025/08
|
24
|
19
|
20
|
12
|
18
|
13
|
15
|
13
|
19
|
19
|
17
|
27
|
26
|
21
|
27
|
30
|
16
|
19
|
24
|
17
|
17
|
24
|
18
|
19
|
15
|
9
|
13
|
16
|
10
|
15
|
14
|
|
2025/07
|
14
|
20
|
24
|
21
|
27
|
34
|
27
|
32
|
30
|
31
|
17
|
28
|
24
|
13
|
16
|
17
|
18
|
16
|
18
|
17
|
15
|
29
|
28
|
18
|
27
|
20
|
22
|
18
|
28
|
29
|
23
|
|
2025/06
|
41
|
39
|
21
|
15
|
36
|
39
|
39
|
22
|
36
|
20
|
15
|
20
|
36
|
36
|
33
|
15
|
18
|
27
|
32
|
16
|
16
|
25
|
28
|
37
|
36
|
31
|
41
|
47
|
39
|
27
|
|
|
2025/05
|
21
|
22
|
16
|
12
|
16
|
22
|
37
|
47
|
42
|
16
|
21
|
35
|
50
|
46
|
23
|
28
|
19
|
23
|
22
|
17
|
35
|
42
|
19
|
33
|
25
|
19
|
32
|
25
|
33
|
38
|
37
|
|
2025/04
|
52
|
42
|
30
|
36
|
34
|
26
|
21
|
31
|
38
|
42
|
51
|
35
|
13
|
12
|
20
|
19
|
24
|
30
|
28
|
22
|
30
|
16
|
16
|
37
|
54
|
46
|
60
|
38
|
58
|
35
|
|
|
2025/03
|
99
|
21
|
25
|
33
|
35
|
41
|
50
|
48
|
69
|
77
|
101
|
106
|
62
|
32
|
48
|
28
|
32
|
35
|
49
|
45
|
58
|
27
|
29
|
54
|
90
|
40
|
34
|
24
|
22
|
26
|
36
|
|
2025/02
|
41
|
56
|
44
|
30
|
29
|
20
|
25
|
22
|
31
|
35
|
55
|
55
|
45
|
53
|
50
|
58
|
32
|
26
|
26
|
28
|
31
|
29
|
27
|
43
|
123
|
94
|
68
|
82
|
|||
|
2025/01
|
39
|
41
|
39
|
48
|
67
|
43
|
37
|
32
|
35
|
36
|
42
|
45
|
52
|
45
|
31
|
38
|
42
|
62
|
62
|
71
|
68
|
56
|
49
|
47
|
49
|
47
|
31
|
22
|
49
|
30
|
35
|
|
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
|
|
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