Air Quality
Excellent
No health implications.
19
PM2.5
45
PM10
113
O3
0.6
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
81
Good
Fri
31 Jan
52
Good
Sat
1 Feb
88
Good
Sun
2 Feb
57
Good
Mon
3 Feb
46
Excellent
Tue
4 Feb
49
Excellent
Wed
5 Feb
37
Excellent
Longhu Air quality rank
Air quality in the last 12 months (Longhu)
|
2024/12
|
48
|
54
|
53
|
35
|
34
|
50
|
38
|
35
|
39
|
30
|
30
|
33
|
31
|
39
|
48
|
48
|
47
|
57
|
55
|
38
|
42
|
51
|
44
|
37
|
34
|
43
|
52
|
68
|
58
|
52
|
60
|
|
2024/11
|
26
|
19
|
27
|
37
|
38
|
41
|
30
|
28
|
27
|
28
|
32
|
31
|
22
|
22
|
33
|
20
|
23
|
24
|
17
|
13
|
14
|
23
|
30
|
27
|
27
|
20
|
27
|
30
|
34
|
40
|
|
|
2024/10
|
19
|
21
|
26
|
23
|
22
|
30
|
32
|
16
|
28
|
35
|
41
|
39
|
30
|
29
|
26
|
24
|
27
|
35
|
41
|
23
|
21
|
32
|
32
|
33
|
40
|
35
|
44
|
32
|
24
|
46
|
34
|
|
2024/09
|
33
|
39
|
35
|
31
|
26
|
12
|
15
|
12
|
16
|
33
|
50
|
36
|
30
|
26
|
23
|
25
|
29
|
25
|
30
|
16
|
14
|
13
|
14
|
13
|
24
|
32
|
30
|
18
|
35
|
36
|
|
|
2024/08
|
26
|
25
|
30
|
41
|
41
|
35
|
34
|
39
|
36
|
29
|
29
|
31
|
27
|
21
|
26
|
25
|
13
|
18
|
11
|
9
|
13
|
23
|
27
|
28
|
38
|
33
|
39
|
37
|
39
|
20
|
19
|
|
2024/07
|
21
|
17
|
13
|
14
|
13
|
14
|
12
|
12
|
12
|
16
|
14
|
14
|
16
|
14
|
14
|
15
|
17
|
14
|
19
|
18
|
15
|
15
|
30
|
30
|
31
|
14
|
21
|
15
|
16
|
16
|
16
|
|
2024/06
|
21
|
12
|
17
|
23
|
21
|
31
|
15
|
14
|
19
|
16
|
21
|
20
|
21
|
23
|
25
|
14
|
16
|
15
|
14
|
13
|
16
|
20
|
17
|
13
|
13
|
13
|
17
|
16
|
12
|
18
|
|
|
2024/05
|
27
|
22
|
23
|
28
|
23
|
31
|
34
|
44
|
43
|
29
|
38
|
33
|
30
|
28
|
29
|
46
|
29
|
38
|
28
|
18
|
13
|
13
|
12
|
10
|
16
|
18
|
20
|
29
|
26
|
23
|
31
|
|
2024/04
|
23
|
42
|
32
|
39
|
30
|
23
|
18
|
37
|
22
|
36
|
36
|
46
|
47
|
31
|
39
|
40
|
28
|
23
|
41
|
43
|
22
|
33
|
26
|
26
|
27
|
20
|
15
|
20
|
28
|
19
|
|
|
2024/03
|
18
|
21
|
31
|
44
|
70
|
62
|
26
|
54
|
54
|
44
|
47
|
32
|
60
|
58
|
70
|
77
|
113
|
53
|
52
|
51
|
55
|
55
|
52
|
38
|
29
|
40
|
34
|
45
|
54
|
55
|
27
|
|
2024/02
|
53
|
34
|
25
|
26
|
33
|
24
|
22
|
12
|
26
|
62
|
61
|
46
|
56
|
70
|
65
|
43
|
28
|
35
|
34
|
33
|
19
|
22
|
22
|
34
|
41
|
34
|
34
|
31
|
55
|
||
|
2024/01
|
64
|
53
|
47
|
37
|
52
|
66
|
56
|
59
|
49
|
39
|
62
|
70
|
53
|
40
|
54
|
39
|
34
|
41
|
49
|
39
|
27
|
23
|
16
|
28
|
40
|
50
|
57
|
59
|
67
|
54
|
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