Air Quality
Excellent
No health implications.
15
PM2.5
35
PM10
89
O3
0.6
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
55
Good
Fri
9 May
55
Good
Sat
10 May
50
Excellent
Sun
11 May
67
Good
Mon
12 May
71
Good
Tue
13 May
46
Excellent
Wed
14 May
31
Excellent
Air quality in the last 12 months (Longhua)
|
2025/02
|
26
|
20
|
11
|
17
|
35
|
43
|
23
|
48
|
44
|
44
|
29
|
38
|
74
|
42
|
32
|
56
|
48
|
63
|
40
|
41
|
44
|
47
|
22
|
31
|
56
|
55
|
43
|
39
|
|||
|
2025/01
|
68
|
66
|
60
|
64
|
69
|
75
|
69
|
76
|
67
|
53
|
51
|
43
|
64
|
60
|
64
|
67
|
60
|
66
|
67
|
72
|
53
|
54
|
47
|
21
|
22
|
19
|
19
|
42
|
83
|
38
|
28
|
|
2024/12
|
68
|
69
|
60
|
54
|
61
|
67
|
57
|
35
|
44
|
50
|
57
|
36
|
39
|
58
|
47
|
52
|
74
|
60
|
55
|
66
|
65
|
58
|
64
|
64
|
67
|
54
|
64
|
63
|
76
|
77
|
82
|
|
2024/11
|
27
|
31
|
56
|
57
|
51
|
58
|
44
|
50
|
51
|
57
|
59
|
56
|
52
|
19
|
26
|
30
|
33
|
36
|
21
|
11
|
19
|
30
|
41
|
55
|
41
|
19
|
40
|
40
|
48
|
59
|
|
|
2024/10
|
31
|
24
|
37
|
39
|
45
|
43
|
43
|
49
|
47
|
42
|
42
|
52
|
45
|
34
|
35
|
33
|
31
|
33
|
54
|
34
|
42
|
34
|
26
|
41
|
49
|
46
|
47
|
27
|
31
|
43
|
41
|
|
2024/09
|
26
|
33
|
46
|
30
|
22
|
8
|
17
|
15
|
19
|
33
|
43
|
44
|
43
|
36
|
31
|
21
|
29
|
21
|
33
|
37
|
18
|
23
|
17
|
21
|
26
|
44
|
42
|
39
|
35
|
40
|
|
|
2024/08
|
31
|
28
|
27
|
36
|
45
|
46
|
49
|
36
|
24
|
24
|
28
|
21
|
29
|
25
|
32
|
18
|
19
|
19
|
20
|
20
|
18
|
31
|
38
|
33
|
26
|
45
|
34
|
45
|
39
|
31
|
13
|
|
2024/07
|
25
|
23
|
15
|
18
|
25
|
14
|
14
|
20
|
17
|
12
|
13
|
16
|
15
|
18
|
16
|
14
|
13
|
18
|
20
|
20
|
15
|
16
|
21
|
29
|
42
|
25
|
18
|
11
|
13
|
12
|
17
|
|
2024/06
|
11
|
33
|
22
|
22
|
28
|
32
|
19
|
13
|
16
|
15
|
23
|
25
|
26
|
27
|
19
|
30
|
21
|
22
|
20
|
20
|
21
|
27
|
12
|
16
|
19
|
23
|
19
|
15
|
15
|
22
|
|
|
2024/05
|
27
|
28
|
29
|
20
|
30
|
39
|
43
|
42
|
34
|
38
|
36
|
43
|
36
|
31
|
46
|
48
|
52
|
47
|
37
|
20
|
20
|
30
|
22
|
20
|
25
|
23
|
22
|
24
|
22
|
31
|
18
|
|
2024/04
|
45
|
49
|
19
|
27
|
41
|
26
|
30
|
35
|
22
|
33
|
48
|
52
|
47
|
30
|
35
|
32
|
28
|
29
|
27
|
25
|
20
|
41
|
33
|
49
|
15
|
26
|
33
|
15
|
26
|
33
|
|
|
2024/03
|
20
|
31
|
43
|
35
|
33
|
41
|
43
|
39
|
60
|
23
|
30
|
21
|
66
|
63
|
72
|
54
|
45
|
50
|
28
|
60
|
53
|
52
|
46
|
36
|
34
|
63
|
34
|
44
|
59
|
33
|
27
|
|
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