Air Quality
Excellent
No health implications.
15
PM2.5
24
PM10
55
O3
0.5
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jul
68
Good
Sun
26 Jul
52
Good
Mon
27 Jul
58
Good
Tue
28 Jul
55
Good
Wed
29 Jul
57
Good
Thu
30 Jul
58
Good
Fri
31 Jul
35
Excellent
Air quality in the last 12 months (Longmen)
|
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
|
|
|
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
|
|
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