Air Quality
Excellent
No health implications.
17
PM2.5
27
PM10
48
O3
0.5
CO
10
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
96
Good
Tue
21 Oct
50
Excellent
Wed
22 Oct
52
Good
Thu
23 Oct
63
Good
Fri
24 Oct
61
Good
Sat
25 Oct
67
Good
Sun
26 Oct
42
Excellent
Longhua Air quality rank
Air quality in the last 12 months (Longhua)
|
2025/08
|
26
|
29
|
33
|
32
|
27
|
30
|
33
|
24
|
26
|
22
|
18
|
20
|
21
|
19
|
18
|
17
|
21
|
9
|
15
|
19
|
22
|
15
|
13
|
21
|
18
|
15
|
11
|
14
|
17
|
16
|
12
|
|
2025/07
|
15
|
13
|
12
|
12
|
16
|
16
|
15
|
21
|
24
|
23
|
19
|
19
|
24
|
25
|
27
|
26
|
21
|
27
|
17
|
11
|
10
|
17
|
22
|
15
|
16
|
17
|
18
|
14
|
15
|
15
|
18
|
|
2025/06
|
20
|
20
|
25
|
24
|
12
|
14
|
17
|
21
|
20
|
18
|
21
|
17
|
13
|
14
|
19
|
19
|
23
|
20
|
17
|
18
|
17
|
15
|
15
|
15
|
12
|
10
|
12
|
14
|
15
|
15
|
|
|
2025/05
|
26
|
21
|
27
|
26
|
21
|
26
|
24
|
18
|
24
|
22
|
29
|
37
|
28
|
19
|
13
|
14
|
15
|
20
|
19
|
21
|
23
|
16
|
15
|
15
|
30
|
43
|
34
|
22
|
17
|
13
|
13
|
|
2025/04
|
27
|
37
|
30
|
34
|
40
|
33
|
46
|
38
|
37
|
37
|
29
|
33
|
147
|
167
|
149
|
121
|
80
|
54
|
36
|
27
|
25
|
29
|
31
|
31
|
30
|
28
|
18
|
29
|
37
|
33
|
|
|
2025/03
|
27
|
22
|
29
|
28
|
23
|
16
|
14
|
27
|
40
|
51
|
42
|
31
|
28
|
22
|
24
|
22
|
35
|
44
|
54
|
51
|
47
|
45
|
38
|
39
|
41
|
37
|
35
|
33
|
20
|
10
|
21
|
|
2025/02
|
33
|
17
|
34
|
25
|
29
|
39
|
43
|
35
|
54
|
42
|
36
|
28
|
38
|
26
|
22
|
21
|
36
|
50
|
44
|
36
|
39
|
26
|
33
|
29
|
30
|
45
|
41
|
29
|
|||
|
2025/01
|
66
|
52
|
65
|
54
|
61
|
71
|
49
|
53
|
69
|
63
|
46
|
43
|
44
|
45
|
44
|
57
|
59
|
50
|
49
|
57
|
43
|
55
|
51
|
42
|
34
|
36
|
36
|
33
|
50
|
51
|
52
|
|
2024/12
|
39
|
35
|
34
|
33
|
40
|
45
|
56
|
40
|
40
|
32
|
36
|
47
|
44
|
44
|
60
|
43
|
39
|
47
|
49
|
53
|
53
|
47
|
54
|
56
|
51
|
47
|
69
|
69
|
58
|
49
|
57
|
|
2024/11
|
49
|
43
|
38
|
38
|
44
|
48
|
54
|
47
|
49
|
52
|
45
|
46
|
48
|
48
|
39
|
40
|
26
|
31
|
27
|
12
|
15
|
29
|
32
|
35
|
30
|
28
|
39
|
42
|
40
|
42
|
|
|
2024/10
|
27
|
31
|
43
|
45
|
36
|
38
|
39
|
52
|
62
|
53
|
38
|
34
|
32
|
23
|
18
|
14
|
16
|
17
|
19
|
28
|
32
|
38
|
30
|
34
|
39
|
46
|
28
|
29
|
26
|
34
|
43
|
|
2024/09
|
11
|
14
|
16
|
26
|
25
|
22
|
21
|
30
|
26
|
21
|
15
|
20
|
22
|
18
|
30
|
32
|
25
|
28
|
22
|
15
|
16
|
15
|
14
|
17
|
21
|
28
|
26
|
21
|
18
|
18
|
|
|
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