Air Quality
Excellent
No health implications.
28
PM2.5
35
PM10
130
O3
0.6
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Sep
63
Good
Fri
25 Sep
72
Good
Sat
26 Sep
92
Good
Sun
27 Sep
94
Good
Mon
28 Sep
85
Good
Tue
29 Sep
75
Good
Wed
30 Sep
26
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