Air Quality
Excellent
No health implications.
19
PM2.5
38
PM10
17
O3
0.6
CO
7
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
64
Good
Wed
17 Dec
60
Good
Thu
18 Dec
57
Good
Fri
19 Dec
56
Good
Sat
20 Dec
54
Good
Sun
21 Dec
40
Excellent
Mon
22 Dec
30
Excellent
Longmen Air quality rank
Air quality in the last 12 months (Longmen)
|
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
|
|
|
2025/08
|
24
|
21
|
18
|
11
|
12
|
11
|
20
|
27
|
38
|
22
|
20
|
27
|
27
|
18
|
12
|
20
|
20
|
12
|
15
|
18
|
24
|
22
|
21
|
17
|
16
|
17
|
22
|
23
|
20
|
19
|
17
|
|
2025/07
|
15
|
18
|
29
|
37
|
37
|
28
|
40
|
34
|
34
|
17
|
8
|
19
|
23
|
30
|
36
|
36
|
39
|
39
|
19
|
10
|
10
|
12
|
17
|
20
|
23
|
26
|
39
|
26
|
28
|
31
|
15
|
|
2025/06
|
30
|
29
|
15
|
25
|
24
|
36
|
35
|
30
|
30
|
25
|
19
|
18
|
17
|
13
|
19
|
17
|
12
|
18
|
20
|
13
|
16
|
21
|
23
|
20
|
21
|
16
|
15
|
16
|
18
|
14
|
|
|
2025/05
|
39
|
42
|
45
|
37
|
31
|
24
|
16
|
33
|
22
|
26
|
29
|
31
|
36
|
32
|
25
|
21
|
21
|
26
|
19
|
22
|
25
|
25
|
24
|
21
|
50
|
52
|
42
|
33
|
16
|
14
|
28
|
|
2025/04
|
23
|
32
|
43
|
52
|
25
|
46
|
53
|
58
|
59
|
47
|
43
|
50
|
218
|
122
|
82
|
82
|
63
|
53
|
35
|
41
|
35
|
36
|
39
|
25
|
12
|
17
|
40
|
28
|
40
|
53
|
|
|
2025/03
|
31
|
30
|
31
|
22
|
9
|
9
|
19
|
26
|
30
|
39
|
34
|
33
|
31
|
29
|
17
|
13
|
46
|
35
|
30
|
36
|
40
|
48
|
58
|
63
|
69
|
51
|
36
|
45
|
9
|
6
|
6
|
|
2025/02
|
38
|
30
|
8
|
28
|
33
|
38
|
18
|
53
|
26
|
32
|
38
|
32
|
36
|
40
|
52
|
61
|
31
|
36
|
36
|
43
|
19
|
24
|
10
|
22
|
30
|
39
|
50
|
40
|
|||
|
2025/01
|
58
|
53
|
47
|
47
|
55
|
67
|
62
|
60
|
54
|
34
|
31
|
29
|
37
|
46
|
48
|
57
|
40
|
40
|
40
|
40
|
45
|
45
|
41
|
42
|
30
|
15
|
22
|
42
|
73
|
57
|
45
|
|
2024/12
|
39
|
41
|
37
|
37
|
50
|
64
|
44
|
31
|
47
|
35
|
46
|
18
|
30
|
62
|
37
|
37
|
37
|
35
|
56
|
52
|
40
|
57
|
64
|
58
|
56
|
61
|
62
|
69
|
63
|
72
|
57
|
|
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