Air Quality
Excellent
No health implications.
32
PM2.5
40
PM10
30
O3
0.6
CO
9
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
86
Good
Mon
14 Apr
85
Good
Tue
15 Apr
83
Good
Wed
16 Apr
80
Good
Thu
17 Apr
84
Good
Fri
18 Apr
24
Excellent
Sat
19 Apr
35
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