Air Quality
Excellent
No health implications.
19
PM2.5
30
PM10
138
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
60
Good
Mon
27 Apr
67
Good
Tue
28 Apr
41
Excellent
Wed
29 Apr
40
Excellent
Thu
30 Apr
52
Good
Fri
1 May
35
Excellent
Sat
2 May
45
Excellent
Air quality in the last 12 months (Longyang)
|
2026/03
|
61
|
63
|
54
|
58
|
76
|
87
|
77
|
78
|
63
|
54
|
50
|
63
|
61
|
39
|
30
|
39
|
37
|
38
|
40
|
35
|
39
|
36
|
25
|
30
|
37
|
36
|
47
|
65
|
34
|
37
|
40
|
|
2026/02
|
27
|
25
|
24
|
29
|
29
|
27
|
30
|
37
|
38
|
33
|
28
|
25
|
24
|
23
|
45
|
52
|
65
|
48
|
33
|
25
|
26
|
34
|
45
|
42
|
54
|
60
|
46
|
55
|
|||
|
2026/01
|
34
|
33
|
26
|
25
|
31
|
30
|
29
|
31
|
33
|
29
|
33
|
31
|
31
|
30
|
31
|
29
|
30
|
30
|
33
|
31
|
26
|
28
|
29
|
29
|
30
|
31
|
28
|
29
|
31
|
31
|
30
|
|
2025/12
|
33
|
28
|
29
|
28
|
24
|
27
|
24
|
28
|
28
|
28
|
28
|
30
|
30
|
28
|
27
|
25
|
28
|
27
|
28
|
26
|
33
|
28
|
30
|
24
|
29
|
30
|
36
|
29
|
29
|
28
|
29
|
|
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
|
|
|
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