Air Quality
Excellent
No health implications.
13
PM2.5
30
PM10
56
O3
0.7
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Oct
53
Good
Mon
5 Oct
55
Good
Tue
6 Oct
59
Good
Wed
7 Oct
64
Good
Thu
8 Oct
67
Good
Fri
9 Oct
69
Good
Sat
10 Oct
37
Excellent
Air quality in the last 12 months (Longmen)
|
2026/08
|
15
|
14
|
15
|
19
|
29
|
37
|
34
|
32
|
26
|
24
|
24
|
44
|
32
|
23
|
24
|
27
|
23
|
17
|
20
|
17
|
20
|
22
|
24
|
22
|
23
|
19
|
17
|
23
|
36
|
20
|
14
|
|
2026/07
|
18
|
18
|
20
|
16
|
17
|
14
|
13
|
17
|
22
|
28
|
33
|
42
|
27
|
16
|
15
|
17
|
24
|
24
|
28
|
25
|
34
|
41
|
41
|
44
|
36
|
13
|
17
|
15
|
14
|
19
|
20
|
|
2026/06
|
37
|
39
|
36
|
33
|
29
|
24
|
27
|
21
|
20
|
22
|
21
|
32
|
27
|
18
|
15
|
14
|
14
|
16
|
16
|
21
|
26
|
28
|
30
|
34
|
26
|
19
|
25
|
16
|
20
|
20
|
|
|
2026/05
|
26
|
33
|
28
|
25
|
21
|
22
|
34
|
24
|
20
|
33
|
53
|
56
|
42
|
17
|
17
|
18
|
23
|
30
|
27
|
20
|
13
|
20
|
27
|
27
|
27
|
32
|
36
|
38
|
30
|
25
|
35
|
|
2026/04
|
24
|
28
|
43
|
21
|
27
|
37
|
46
|
29
|
33
|
34
|
39
|
35
|
29
|
35
|
33
|
33
|
29
|
33
|
35
|
49
|
34
|
32
|
21
|
18
|
26
|
37
|
47
|
38
|
23
|
26
|
|
|
2026/03
|
18
|
22
|
12
|
14
|
21
|
25
|
28
|
42
|
37
|
20
|
30
|
31
|
42
|
45
|
43
|
40
|
41
|
33
|
40
|
38
|
26
|
38
|
49
|
40
|
48
|
46
|
45
|
39
|
33
|
31
|
30
|
|
2026/02
|
15
|
24
|
37
|
48
|
44
|
36
|
23
|
27
|
33
|
41
|
35
|
31
|
43
|
33
|
23
|
30
|
34
|
30
|
44
|
44
|
50
|
41
|
41
|
44
|
34
|
26
|
26
|
11
|
|||
|
2026/01
|
52
|
14
|
29
|
36
|
36
|
33
|
37
|
28
|
31
|
34
|
35
|
46
|
49
|
52
|
53
|
60
|
61
|
65
|
65
|
64
|
17
|
24
|
31
|
42
|
46
|
48
|
57
|
29
|
35
|
33
|
27
|
|
2025/12
|
35
|
32
|
57
|
57
|
56
|
55
|
50
|
48
|
49
|
49
|
50
|
42
|
30
|
28
|
34
|
36
|
35
|
41
|
40
|
27
|
44
|
73
|
58
|
47
|
20
|
39
|
36
|
35
|
37
|
40
|
44
|
|
2025/11
|
28
|
31
|
27
|
9
|
10
|
19
|
28
|
32
|
22
|
12
|
21
|
18
|
12
|
29
|
31
|
36
|
35
|
35
|
22
|
26
|
27
|
35
|
38
|
36
|
43
|
61
|
50
|
58
|
52
|
44
|
|
|
2025/10
|
34
|
22
|
23
|
23
|
15
|
17
|
24
|
32
|
36
|
42
|
30
|
22
|
18
|
19
|
22
|
28
|
28
|
30
|
34
|
11
|
6
|
8
|
27
|
36
|
33
|
40
|
57
|
53
|
42
|
28
|
29
|
|
2025/09
|
21
|
22
|
23
|
29
|
26
|
29
|
19
|
8
|
14
|
18
|
21
|
23
|
23
|
26
|
21
|
19
|
19
|
18
|
11
|
8
|
13
|
18
|
24
|
8
|
11
|
18
|
25
|
23
|
25
|
31
|
|
|
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