Air Quality
Excellent
No health implications.
23
PM2.5
44
PM10
16
O3
0.6
CO
6
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Oct
37
Excellent
Mon
27 Oct
35
Excellent
Tue
28 Oct
46
Excellent
Wed
29 Oct
42
Excellent
Thu
30 Oct
42
Excellent
Fri
31 Oct
48
Excellent
Sat
1 Nov
29
Excellent
Air quality in the last 12 months (Longjing)
|
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
|
|
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
|
|
|
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