Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
41
O3
0.3
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Nov
34
Excellent
Tue
25 Nov
33
Excellent
Wed
26 Nov
38
Excellent
Thu
27 Nov
36
Excellent
Fri
28 Nov
37
Excellent
Sat
29 Nov
34
Excellent
Sun
30 Nov
38
Excellent
Air quality in the last 12 months (Longyang)
|
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
|
|
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
|
|
|
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