Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
80
O3
0.5
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jan
50
Excellent
Tue
28 Jan
52
Good
Wed
29 Jan
68
Good
Thu
30 Jan
59
Good
Fri
31 Jan
56
Good
Sat
1 Feb
62
Good
Sun
2 Feb
58
Good
Air quality in the last 12 months (Longhua)
|
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
|
|
2024/02
|
25
|
26
|
22
|
23
|
21
|
23
|
16
|
9
|
24
|
67
|
77
|
45
|
44
|
41
|
38
|
36
|
25
|
30
|
32
|
22
|
25
|
31
|
40
|
32
|
25
|
43
|
35
|
54
|
61
|
||
|
2024/01
|
61
|
63
|
55
|
43
|
62
|
104
|
73
|
62
|
62
|
39
|
51
|
79
|
66
|
55
|
59
|
50
|
50
|
54
|
47
|
52
|
41
|
38
|
37
|
51
|
52
|
54
|
60
|
39
|
53
|
55
|
39
|
|
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