Air Quality
Excellent
No health implications.
3
PM2.5
10
PM10
45
O3
0.6
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
55
Good
Fri
24 Apr
61
Good
Sat
25 Apr
69
Good
Sun
26 Apr
89
Good
Mon
27 Apr
63
Good
Tue
28 Apr
58
Good
Wed
29 Apr
47
Excellent
Air quality in the last 12 months (Longmen)
|
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
|
|
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
|
|
|
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