Air Quality
Excellent
No health implications.
20
PM2.5
23
PM10
59
O3
0.5
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
61
Good
Fri
9 May
60
Good
Sat
10 May
56
Good
Sun
11 May
56
Good
Mon
12 May
55
Good
Tue
13 May
15
Excellent
Wed
14 May
30
Excellent
Air quality in the last 12 months (Longyang)
|
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
|
|
|
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
|
|
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