Air Quality
Excellent
No health implications.
16
PM2.5
37
PM10
46
O3
0.5
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Oct
39
Excellent
Tue
28 Oct
34
Excellent
Wed
29 Oct
34
Excellent
Thu
30 Oct
33
Excellent
Fri
31 Oct
30
Excellent
Sat
1 Nov
35
Excellent
Sun
2 Nov
31
Excellent
Air quality in the last 12 months (Longyang)
|
2025/08
|
21
|
19
|
16
|
14
|
22
|
26
|
23
|
19
|
16
|
14
|
19
|
22
|
20
|
23
|
24
|
26
|
19
|
20
|
23
|
18
|
16
|
18
|
19
|
19
|
21
|
24
|
18
|
23
|
22
|
25
|
24
|
|
2025/07
|
22
|
19
|
20
|
17
|
14
|
18
|
19
|
17
|
20
|
18
|
21
|
25
|
29
|
24
|
21
|
24
|
23
|
26
|
26
|
22
|
22
|
25
|
28
|
20
|
20
|
20
|
21
|
22
|
27
|
20
|
18
|
|
2025/06
|
21
|
20
|
28
|
49
|
39
|
33
|
30
|
31
|
28
|
22
|
32
|
35
|
43
|
32
|
25
|
25
|
18
|
14
|
15
|
20
|
23
|
18
|
18
|
17
|
15
|
15
|
22
|
24
|
20
|
17
|
|
|
2025/05
|
33
|
28
|
32
|
20
|
29
|
35
|
30
|
39
|
40
|
48
|
43
|
48
|
42
|
43
|
40
|
40
|
30
|
28
|
37
|
32
|
39
|
41
|
47
|
38
|
17
|
20
|
21
|
22
|
18
|
25
|
18
|
|
2025/04
|
96
|
73
|
72
|
76
|
67
|
72
|
61
|
75
|
70
|
71
|
55
|
53
|
29
|
35
|
42
|
32
|
26
|
30
|
30
|
29
|
33
|
36
|
55
|
56
|
63
|
67
|
68
|
61
|
41
|
50
|
|
|
2025/03
|
48
|
55
|
47
|
43
|
50
|
56
|
65
|
68
|
67
|
51
|
59
|
77
|
86
|
60
|
57
|
51
|
55
|
71
|
62
|
48
|
63
|
60
|
58
|
48
|
41
|
35
|
40
|
70
|
102
|
78
|
91
|
|
2025/02
|
62
|
60
|
49
|
46
|
53
|
61
|
55
|
38
|
42
|
42
|
34
|
37
|
49
|
57
|
45
|
58
|
49
|
48
|
58
|
51
|
49
|
47
|
46
|
47
|
45
|
35
|
33
|
47
|
|||
|
2025/01
|
28
|
31
|
32
|
29
|
33
|
32
|
24
|
31
|
26
|
37
|
37
|
41
|
32
|
34
|
39
|
40
|
40
|
35
|
33
|
29
|
29
|
32
|
35
|
32
|
35
|
54
|
31
|
55
|
107
|
38
|
45
|
|
2024/12
|
26
|
27
|
23
|
26
|
24
|
29
|
31
|
36
|
29
|
30
|
44
|
44
|
36
|
31
|
41
|
36
|
34
|
34
|
20
|
20
|
28
|
16
|
21
|
20
|
25
|
31
|
46
|
36
|
21
|
21
|
24
|
|
2024/11
|
37
|
40
|
34
|
31
|
23
|
22
|
16
|
14
|
20
|
24
|
23
|
21
|
23
|
23
|
29
|
30
|
30
|
27
|
30
|
28
|
22
|
20
|
25
|
25
|
25
|
25
|
24
|
25
|
32
|
27
|
|
|
2024/10
|
20
|
16
|
26
|
19
|
19
|
22
|
24
|
21
|
23
|
24
|
28
|
32
|
32
|
34
|
38
|
29
|
29
|
33
|
39
|
39
|
32
|
29
|
26
|
22
|
23
|
25
|
29
|
29
|
30
|
30
|
28
|
|
2024/09
|
27
|
28
|
28
|
28
|
27
|
29
|
38
|
42
|
31
|
20
|
21
|
26
|
29
|
24
|
30
|
33
|
24
|
27
|
36
|
42
|
38
|
34
|
30
|
32
|
37
|
31
|
26
|
22
|
18
|
24
|
|
|
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