Air Quality
Excellent
No health implications.
10
PM2.5
23
PM10
65
O3
0.5
CO
11
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
85
Good
Thu
23 May
86
Good
Fri
24 May
85
Good
Sat
25 May
55
Good
Sun
26 May
52
Good
Mon
27 May
53
Good
Air quality in the last 12 months (Longlin)
|
2024/02
|
35
|
42
|
44
|
41
|
42
|
29
|
31
|
38
|
61
|
117
|
58
|
38
|
44
|
47
|
65
|
49
|
56
|
34
|
39
|
43
|
46
|
56
|
40
|
27
|
23
|
24
|
27
|
28
|
24
|
||
|
2024/01
|
68
|
48
|
34
|
38
|
49
|
58
|
49
|
41
|
47
|
52
|
25
|
20
|
20
|
32
|
32
|
27
|
23
|
26
|
34
|
40
|
28
|
23
|
45
|
43
|
43
|
44
|
48
|
49
|
36
|
31
|
32
|
|
2023/12
|
48
|
33
|
20
|
20
|
35
|
39
|
44
|
51
|
46
|
25
|
32
|
49
|
31
|
34
|
34
|
36
|
51
|
32
|
31
|
52
|
65
|
62
|
75
|
78
|
78
|
63
|
68
|
74
|
79
|
83
|
74
|
|
2023/11
|
41
|
39
|
49
|
45
|
32
|
38
|
27
|
26
|
31
|
38
|
36
|
30
|
19
|
28
|
17
|
25
|
47
|
51
|
46
|
51
|
45
|
62
|
71
|
66
|
54
|
50
|
53
|
47
|
55
|
72
|
|
|
2023/10
|
26
|
28
|
29
|
37
|
35
|
25
|
14
|
24
|
25
|
29
|
36
|
32
|
23
|
17
|
28
|
33
|
35
|
37
|
42
|
30
|
37
|
43
|
36
|
33
|
34
|
38
|
34
|
36
|
35
|
39
|
39
|
|
2023/09
|
37
|
37
|
40
|
26
|
33
|
32
|
35
|
26
|
29
|
27
|
32
|
19
|
22
|
27
|
31
|
31
|
24
|
22
|
21
|
23
|
27
|
29
|
28
|
32
|
31
|
30
|
21
|
20
|
19
|
26
|
|
|
2023/08
|
20
|
21
|
20
|
25
|
27
|
22
|
23
|
20
|
21
|
20
|
25
|
22
|
30
|
31
|
25
|
25
|
29
|
40
|
37
|
38
|
24
|
27
|
21
|
20
|
15
|
16
|
23
|
27
|
32
|
36
|
34
|
|
2023/07
|
25
|
26
|
22
|
23
|
21
|
17
|
17
|
20
|
18
|
19
|
19
|
22
|
21
|
25
|
41
|
44
|
44
|
34
|
21
|
23
|
23
|
26
|
23
|
31
|
29
|
33
|
24
|
26
|
31
|
27
|
24
|
|
2023/06
|
41
|
37
|
32
|
28
|
24
|
24
|
27
|
30
|
33
|
37
|
37
|
39
|
39
|
32
|
31
|
27
|
31
|
28
|
24
|
25
|
22
|
21
|
21
|
25
|
29
|
27
|
21
|
21
|
20
|
24
|
|
|
2023/05
|
44
|
39
|
35
|
33
|
36
|
39
|
33
|
20
|
16
|
26
|
21
|
28
|
42
|
60
|
41
|
32
|
39
|
41
|
34
|
42
|
48
|
47
|
33
|
30
|
33
|
30
|
28
|
26
|
27
|
28
|
36
|
|
2023/04
|
51
|
58
|
44
|
43
|
50
|
47
|
33
|
37
|
52
|
37
|
54
|
62
|
71
|
71
|
41
|
43
|
66
|
68
|
58
|
48
|
66
|
86
|
58
|
54
|
29
|
31
|
34
|
43
|
30
|
43
|
|
|
2023/03
|
95
|
71
|
40
|
39
|
50
|
73
|
71
|
49
|
47
|
61
|
73
|
52
|
32
|
49
|
63
|
53
|
49
|
54
|
49
|
44
|
36
|
35
|
37
|
42
|
53
|
35
|
29
|
38
|
33
|
43
|
40
|
|
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