Air Quality
Excellent
No health implications.
2
PM2.5
10
PM10
23
O3
0.2
CO
2
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Oct
63
Good
Tue
28 Oct
70
Good
Wed
29 Oct
72
Good
Thu
30 Oct
66
Good
Fri
31 Oct
62
Good
Sat
1 Nov
50
Excellent
Sun
2 Nov
34
Excellent
Longhua Air quality rank
Air quality in the last 12 months (Longhua)
|
2025/08
|
34
|
44
|
30
|
23
|
21
|
22
|
20
|
22
|
20
|
21
|
24
|
18
|
17
|
21
|
31
|
21
|
22
|
25
|
27
|
18
|
18
|
16
|
19
|
17
|
19
|
14
|
13
|
14
|
26
|
29
|
27
|
|
2025/07
|
31
|
32
|
23
|
22
|
28
|
19
|
26
|
28
|
34
|
45
|
45
|
45
|
26
|
26
|
24
|
17
|
20
|
22
|
32
|
23
|
22
|
29
|
35
|
22
|
22
|
33
|
18
|
17
|
20
|
24
|
25
|
|
2025/06
|
39
|
34
|
28
|
25
|
28
|
23
|
23
|
33
|
35
|
22
|
37
|
51
|
36
|
46
|
19
|
20
|
31
|
44
|
34
|
22
|
21
|
29
|
37
|
48
|
55
|
51
|
51
|
32
|
43
|
31
|
|
|
2025/05
|
22
|
31
|
24
|
30
|
41
|
24
|
46
|
73
|
26
|
41
|
42
|
46
|
57
|
30
|
39
|
59
|
36
|
20
|
29
|
57
|
56
|
69
|
41
|
30
|
44
|
48
|
27
|
34
|
56
|
59
|
54
|
|
2025/04
|
35
|
20
|
37
|
52
|
19
|
39
|
58
|
37
|
43
|
43
|
67
|
96
|
46
|
32
|
48
|
63
|
52
|
25
|
20
|
44
|
48
|
39
|
60
|
30
|
33
|
58
|
25
|
29
|
53
|
37
|
|
|
2025/03
|
88
|
41
|
43
|
53
|
47
|
27
|
50
|
82
|
83
|
104
|
139
|
42
|
50
|
60
|
44
|
29
|
30
|
23
|
24
|
28
|
32
|
40
|
95
|
52
|
33
|
98
|
36
|
35
|
38
|
35
|
38
|
|
2025/02
|
81
|
62
|
19
|
20
|
21
|
39
|
22
|
16
|
22
|
42
|
76
|
35
|
48
|
47
|
69
|
27
|
23
|
33
|
26
|
25
|
21
|
29
|
17
|
28
|
39
|
45
|
73
|
94
|
|||
|
2025/01
|
54
|
28
|
36
|
54
|
44
|
25
|
24
|
23
|
19
|
26
|
41
|
36
|
38
|
31
|
30
|
54
|
60
|
54
|
42
|
58
|
42
|
40
|
87
|
104
|
125
|
86
|
19
|
23
|
85
|
27
|
61
|
|
2024/12
|
46
|
26
|
36
|
34
|
26
|
32
|
21
|
34
|
40
|
50
|
46
|
67
|
23
|
32
|
37
|
34
|
24
|
26
|
51
|
49
|
25
|
30
|
47
|
68
|
64
|
25
|
25
|
41
|
63
|
55
|
41
|
|
2024/11
|
99
|
78
|
44
|
26
|
34
|
36
|
66
|
111
|
107
|
78
|
54
|
55
|
56
|
59
|
53
|
41
|
29
|
38
|
57
|
56
|
29
|
31
|
49
|
79
|
57
|
20
|
25
|
21
|
27
|
30
|
|
|
2024/10
|
19
|
17
|
20
|
37
|
65
|
46
|
20
|
30
|
44
|
23
|
38
|
56
|
87
|
73
|
28
|
44
|
58
|
37
|
20
|
30
|
44
|
21
|
31
|
42
|
65
|
107
|
28
|
32
|
43
|
29
|
77
|
|
2024/09
|
22
|
18
|
27
|
35
|
23
|
25
|
23
|
33
|
35
|
20
|
34
|
29
|
26
|
17
|
21
|
25
|
22
|
24
|
44
|
18
|
17
|
19
|
22
|
41
|
38
|
25
|
40
|
41
|
50
|
13
|
|
|
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