Air Quality
Excellent
No health implications.
14
PM2.5
24
PM10
13
O3
0.5
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
49
Excellent
Sat
24 Oct
51
Good
Sun
25 Oct
50
Excellent
Mon
26 Oct
49
Excellent
Tue
27 Oct
46
Excellent
Wed
28 Oct
52
Good
Thu
29 Oct
48
Excellent
Air quality in the last 12 months (Longjing)
|
2026/08
|
23
|
11
|
10
|
20
|
25
|
27
|
25
|
18
|
19
|
20
|
19
|
21
|
13
|
17
|
17
|
18
|
23
|
21
|
20
|
22
|
22
|
24
|
25
|
22
|
21
|
21
|
22
|
25
|
19
|
20
|
19
|
|
2026/07
|
25
|
15
|
17
|
25
|
29
|
21
|
16
|
16
|
21
|
19
|
21
|
18
|
20
|
15
|
16
|
22
|
26
|
26
|
24
|
18
|
18
|
28
|
30
|
15
|
11
|
11
|
10
|
16
|
26
|
25
|
23
|
|
2026/06
|
35
|
44
|
33
|
24
|
23
|
21
|
16
|
14
|
15
|
17
|
20
|
23
|
29
|
29
|
32
|
20
|
27
|
29
|
26
|
23
|
18
|
23
|
16
|
26
|
23
|
24
|
32
|
31
|
27
|
28
|
|
|
2026/05
|
38
|
33
|
28
|
32
|
35
|
36
|
24
|
26
|
29
|
30
|
36
|
40
|
36
|
30
|
36
|
45
|
43
|
28
|
29
|
27
|
27
|
29
|
28
|
27
|
37
|
33
|
24
|
21
|
28
|
26
|
31
|
|
2026/04
|
51
|
61
|
70
|
38
|
39
|
28
|
24
|
33
|
51
|
33
|
26
|
35
|
51
|
30
|
29
|
32
|
40
|
30
|
40
|
55
|
69
|
46
|
62
|
30
|
31
|
29
|
21
|
28
|
29
|
33
|
|
|
2026/03
|
33
|
51
|
35
|
56
|
58
|
41
|
27
|
35
|
36
|
43
|
54
|
65
|
80
|
53
|
87
|
94
|
128
|
210
|
39
|
47
|
94
|
154
|
105
|
67
|
76
|
75
|
88
|
71
|
60
|
40
|
35
|
|
2026/02
|
44
|
36
|
42
|
72
|
79
|
61
|
27
|
28
|
37
|
63
|
44
|
48
|
60
|
69
|
47
|
33
|
72
|
30
|
34
|
46
|
55
|
106
|
109
|
44
|
45
|
65
|
54
|
27
|
|||
|
2026/01
|
21
|
26
|
34
|
42
|
37
|
47
|
46
|
31
|
74
|
57
|
29
|
33
|
36
|
37
|
50
|
30
|
31
|
30
|
25
|
24
|
26
|
24
|
33
|
30
|
23
|
37
|
38
|
30
|
36
|
27
|
30
|
|
2025/12
|
38
|
25
|
21
|
27
|
37
|
65
|
71
|
26
|
40
|
60
|
28
|
34
|
34
|
43
|
60
|
42
|
33
|
54
|
67
|
44
|
35
|
41
|
61
|
30
|
27
|
21
|
36
|
81
|
55
|
22
|
25
|
|
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
|
|
|
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