Air Quality
Excellent
No health implications.
20
PM2.5
34
PM10
29
O3
0.5
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
50
Excellent
Sun
28 Apr
57
Good
Mon
29 Apr
57
Good
Tue
30 Apr
45
Excellent
Wed
1 May
36
Excellent
Thu
2 May
45
Excellent
Air quality in the last 12 months (Longli)
|
2024/02
|
41
|
21
|
16
|
28
|
20
|
18
|
26
|
33
|
71
|
186
|
53
|
36
|
45
|
42
|
63
|
35
|
39
|
39
|
45
|
57
|
50
|
17
|
19
|
20
|
17
|
23
|
36
|
33
|
35
|
||
|
2024/01
|
43
|
28
|
31
|
31
|
60
|
63
|
34
|
22
|
51
|
47
|
42
|
57
|
23
|
19
|
23
|
24
|
20
|
20
|
17
|
19
|
19
|
26
|
36
|
38
|
44
|
49
|
46
|
44
|
48
|
20
|
20
|
|
2023/12
|
66
|
38
|
32
|
34
|
44
|
52
|
61
|
47
|
52
|
40
|
50
|
26
|
24
|
30
|
31
|
36
|
35
|
22
|
37
|
35
|
42
|
56
|
73
|
77
|
79
|
54
|
73
|
70
|
83
|
79
|
82
|
|
2023/11
|
45
|
40
|
52
|
48
|
36
|
34
|
30
|
21
|
32
|
24
|
20
|
13
|
24
|
32
|
20
|
37
|
57
|
53
|
66
|
60
|
40
|
53
|
74
|
71
|
56
|
45
|
43
|
50
|
57
|
53
|
|
|
2023/10
|
24
|
24
|
26
|
28
|
21
|
14
|
15
|
20
|
24
|
28
|
32
|
28
|
20
|
22
|
35
|
40
|
41
|
36
|
35
|
27
|
33
|
38
|
38
|
25
|
40
|
49
|
25
|
30
|
30
|
40
|
44
|
|
2023/09
|
37
|
40
|
33
|
22
|
28
|
31
|
27
|
26
|
24
|
27
|
28
|
20
|
22
|
30
|
36
|
37
|
20
|
16
|
16
|
20
|
18
|
18
|
24
|
27
|
27
|
29
|
27
|
35
|
30
|
29
|
|
|
2023/08
|
20
|
20
|
16
|
22
|
27
|
23
|
20
|
18
|
19
|
23
|
27
|
26
|
29
|
26
|
22
|
25
|
24
|
32
|
42
|
41
|
27
|
28
|
23
|
15
|
14
|
16
|
19
|
28
|
28
|
28
|
32
|
|
2023/07
|
24
|
25
|
23
|
23
|
28
|
21
|
22
|
26
|
24
|
21
|
24
|
26
|
25
|
25
|
41
|
42
|
41
|
36
|
19
|
22
|
19
|
26
|
21
|
28
|
30
|
27
|
30
|
29
|
25
|
24
|
23
|
|
2023/06
|
30
|
37
|
32
|
32
|
21
|
32
|
36
|
36
|
40
|
44
|
50
|
40
|
37
|
36
|
34
|
30
|
27
|
30
|
22
|
35
|
19
|
22
|
27
|
26
|
29
|
31
|
19
|
19
|
22
|
27
|
|
|
2023/05
|
55
|
52
|
45
|
39
|
46
|
33
|
21
|
28
|
18
|
20
|
23
|
34
|
48
|
59
|
53
|
40
|
54
|
51
|
51
|
43
|
59
|
38
|
33
|
39
|
35
|
32
|
32
|
31
|
28
|
35
|
40
|
|
2023/04
|
43
|
60
|
66
|
62
|
33
|
21
|
28
|
62
|
66
|
38
|
53
|
56
|
64
|
44
|
50
|
52
|
53
|
53
|
37
|
34
|
54
|
91
|
47
|
19
|
27
|
38
|
38
|
52
|
56
|
61
|
|
|
2023/03
|
91
|
66
|
49
|
51
|
58
|
63
|
55
|
45
|
47
|
49
|
69
|
62
|
40
|
59
|
67
|
41
|
54
|
26
|
20
|
25
|
44
|
49
|
27
|
20
|
25
|
31
|
40
|
40
|
36
|
45
|
44
|
|
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