Air Quality
Excellent
No health implications.
16
PM2.5
22
PM10
48
O3
0.3
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
31
Excellent
Mon
15 Dec
36
Excellent
Tue
16 Dec
39
Excellent
Wed
17 Dec
31
Excellent
Thu
18 Dec
36
Excellent
Fri
19 Dec
33
Excellent
Sat
20 Dec
36
Excellent
Air quality in the last 12 months (Longyang)
|
2025/11
|
24
|
19
|
14
|
16
|
18
|
16
|
22
|
22
|
24
|
22
|
22
|
19
|
21
|
23
|
28
|
26
|
26
|
25
|
24
|
21
|
20
|
20
|
21
|
26
|
29
|
31
|
31
|
29
|
33
|
33
|
|
|
2025/10
|
24
|
20
|
22
|
21
|
20
|
22
|
23
|
21
|
21
|
26
|
23
|
21
|
22
|
22
|
28
|
31
|
27
|
23
|
24
|
22
|
21
|
22
|
25
|
24
|
21
|
23
|
25
|
24
|
25
|
24
|
25
|
|
2025/09
|
23
|
22
|
23
|
27
|
25
|
26
|
29
|
27
|
23
|
28
|
25
|
26
|
19
|
19
|
23
|
17
|
19
|
22
|
27
|
32
|
28
|
27
|
29
|
22
|
30
|
26
|
22
|
22
|
26
|
21
|
|
|
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
|
|
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