Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
37
O3
0.3
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
38
Excellent
Fri
20 Dec
35
Excellent
Sat
21 Dec
34
Excellent
Sun
22 Dec
32
Excellent
Mon
23 Dec
33
Excellent
Tue
24 Dec
38
Excellent
Wed
25 Dec
18
Excellent
Air quality in the last 12 months (Longyang)
|
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
|
|
|
2024/08
|
30
|
20
|
18
|
21
|
24
|
23
|
26
|
19
|
19
|
18
|
21
|
36
|
40
|
52
|
52
|
28
|
31
|
28
|
31
|
33
|
27
|
29
|
30
|
25
|
25
|
34
|
34
|
28
|
33
|
34
|
31
|
|
2024/07
|
19
|
20
|
17
|
19
|
20
|
21
|
20
|
18
|
18
|
18
|
18
|
18
|
23
|
23
|
24
|
22
|
34
|
33
|
27
|
25
|
20
|
22
|
18
|
20
|
25
|
28
|
28
|
28
|
24
|
20
|
29
|
|
2024/06
|
45
|
40
|
31
|
29
|
32
|
31
|
33
|
30
|
26
|
37
|
41
|
33
|
19
|
17
|
15
|
29
|
29
|
30
|
41
|
38
|
35
|
28
|
19
|
25
|
22
|
25
|
18
|
19
|
19
|
18
|
|
|
2024/05
|
60
|
43
|
39
|
61
|
61
|
31
|
42
|
44
|
40
|
38
|
35
|
35
|
34
|
35
|
40
|
36
|
38
|
39
|
42
|
36
|
25
|
31
|
35
|
31
|
24
|
18
|
15
|
16
|
35
|
42
|
38
|
|
2024/04
|
43
|
53
|
65
|
56
|
59
|
66
|
58
|
61
|
48
|
57
|
59
|
62
|
51
|
45
|
52
|
62
|
65
|
57
|
55
|
43
|
37
|
56
|
57
|
56
|
55
|
54
|
60
|
64
|
56
|
60
|
|
|
2024/03
|
38
|
33
|
37
|
41
|
37
|
38
|
36
|
32
|
28
|
40
|
40
|
64
|
60
|
59
|
62
|
58
|
64
|
53
|
51
|
70
|
56
|
30
|
26
|
39
|
35
|
48
|
50
|
52
|
54
|
62
|
55
|
|
2024/02
|
51
|
59
|
44
|
43
|
42
|
37
|
48
|
47
|
42
|
79
|
54
|
47
|
33
|
31
|
38
|
37
|
30
|
31
|
32
|
36
|
49
|
55
|
58
|
46
|
44
|
49
|
40
|
35
|
34
|
||
|
2024/01
|
31
|
25
|
24
|
27
|
27
|
29
|
29
|
28
|
27
|
29
|
34
|
32
|
34
|
32
|
28
|
29
|
26
|
34
|
35
|
39
|
41
|
33
|
41
|
42
|
33
|
32
|
34
|
31
|
33
|
34
|
32
|
|
2023/12
|
29
|
28
|
30
|
26
|
22
|
25
|
27
|
17
|
19
|
21
|
23
|
23
|
18
|
21
|
20
|
23
|
25
|
22
|
22
|
23
|
26
|
29
|
27
|
34
|
19
|
17
|
24
|
25
|
24
|
24
|
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