Air Quality
Excellent
No health implications.
26
PM2.5
42
PM10
58
O3
0.5
CO
10
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
80
Good
Mon
20 May
82
Good
Tue
21 May
81
Good
Wed
22 May
71
Good
Thu
23 May
72
Good
Fri
24 May
79
Good
Air quality in the last 12 months (Guide)
|
2024/02
|
51
|
77
|
57
|
53
|
39
|
55
|
61
|
46
|
43
|
89
|
32
|
34
|
33
|
51
|
38
|
32
|
31
|
196
|
178
|
146
|
147
|
137
|
119
|
95
|
92
|
83
|
67
|
68
|
59
|
||
|
2024/01
|
54
|
46
|
42
|
38
|
45
|
46
|
42
|
37
|
40
|
43
|
42
|
37
|
42
|
53
|
58
|
48
|
38
|
43
|
43
|
70
|
66
|
57
|
56
|
67
|
66
|
54
|
41
|
41
|
44
|
47
|
52
|
|
2023/12
|
39
|
42
|
44
|
37
|
69
|
45
|
37
|
42
|
44
|
52
|
53
|
55
|
46
|
71
|
101
|
59
|
53
|
66
|
74
|
55
|
54
|
74
|
48
|
49
|
42
|
43
|
41
|
45
|
50
|
39
|
45
|
|
2023/11
|
33
|
50
|
55
|
45
|
57
|
39
|
44
|
39
|
43
|
45
|
49
|
59
|
58
|
46
|
79
|
50
|
42
|
42
|
40
|
41
|
56
|
51
|
51
|
37
|
66
|
58
|
42
|
44
|
42
|
45
|
|
|
2023/10
|
32
|
29
|
28
|
30
|
25
|
27
|
30
|
34
|
39
|
38
|
28
|
25
|
31
|
31
|
30
|
33
|
34
|
35
|
33
|
35
|
40
|
37
|
39
|
38
|
42
|
35
|
34
|
36
|
34
|
41
|
38
|
|
2023/09
|
38
|
41
|
35
|
36
|
33
|
31
|
35
|
22
|
28
|
39
|
29
|
26
|
33
|
33
|
33
|
37
|
44
|
46
|
36
|
33
|
33
|
34
|
46
|
31
|
29
|
25
|
31
|
35
|
37
|
42
|
|
|
2023/08
|
37
|
41
|
37
|
30
|
33
|
30
|
30
|
30
|
32
|
31
|
29
|
31
|
37
|
36
|
34
|
47
|
62
|
40
|
32
|
31
|
34
|
32
|
33
|
35
|
31
|
28
|
29
|
31
|
36
|
36
|
29
|
|
2023/07
|
34
|
52
|
37
|
31
|
33
|
37
|
38
|
32
|
32
|
38
|
44
|
36
|
26
|
32
|
33
|
36
|
35
|
36
|
37
|
31
|
36
|
39
|
36
|
30
|
36
|
31
|
29
|
32
|
36
|
39
|
40
|
|
2023/06
|
43
|
33
|
32
|
36
|
35
|
33
|
34
|
36
|
35
|
36
|
35
|
36
|
37
|
40
|
39
|
40
|
34
|
37
|
38
|
35
|
39
|
38
|
34
|
36
|
37
|
39
|
47
|
29
|
36
|
32
|
|
|
2023/05
|
69
|
58
|
54
|
44
|
54
|
42
|
38
|
34
|
24
|
33
|
38
|
40
|
36
|
39
|
43
|
38
|
38
|
38
|
38
|
136
|
65
|
56
|
52
|
61
|
55
|
35
|
33
|
49
|
45
|
60
|
35
|
|
2023/04
|
45
|
47
|
31
|
58
|
159
|
90
|
78
|
69
|
66
|
76
|
101
|
84
|
87
|
170
|
87
|
49
|
61
|
71
|
190
|
489
|
305
|
66
|
31
|
52
|
55
|
46
|
82
|
45
|
44
|
43
|
|
|
2023/03
|
57
|
54
|
40
|
35
|
33
|
40
|
48
|
44
|
36
|
47
|
77
|
45
|
36
|
62
|
94
|
78
|
76
|
77
|
60
|
42
|
337
|
485
|
153
|
64
|
59
|
57
|
51
|
50
|
50
|
37
|
34
|
|
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