Recent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
23 Jan
Mon
24 Jan
Tue
25 Jan
Wed
26 Jan
Thu
27 Jan
Fri
28 Jan
Sat
29 Jan
|
2021/12
|
33
|
30
|
39
|
30
|
23
|
26
|
26
|
27
|
23
|
25
|
22
|
27
|
27
|
29
|
31
|
30
|
25
|
34
|
27
|
26
|
26
|
23
|
24
|
26
|
27
|
23
|
24
|
27
|
24
|
24
|
24
|
|
2021/11
|
20
|
22
|
20
|
21
|
24
|
19
|
24
|
24
|
23
|
24
|
22
|
28
|
23
|
23
|
26
|
23
|
24
|
26
|
27
|
35
|
28
|
18
|
22
|
26
|
19
|
19
|
23
|
25
|
28
|
31
|
|
|
2021/10
|
19
|
19
|
18
|
17
|
18
|
19
|
19
|
18
|
16
|
18
|
20
|
21
|
20
|
21
|
17
|
17
|
17
|
15
|
12
|
13
|
18
|
20
|
17
|
22
|
20
|
21
|
21
|
22
|
21
|
20
|
21
|
|
2021/09
|
13
|
15
|
14
|
13
|
16
|
16
|
14
|
19
|
18
|
16
|
14
|
14
|
14
|
16
|
18
|
19
|
15
|
21
|
20
|
21
|
21
|
19
|
17
|
16
|
14
|
15
|
16
|
18
|
19
|
19
|
|
|
2021/08
|
22
|
22
|
22
|
22
|
22
|
23
|
19
|
18
|
14
|
15
|
13
|
18
|
17
|
16
|
14
|
16
|
16
|
14
|
15
|
12
|
12
|
12
|
15
|
17
|
14
|
19
|
13
|
15
|
12
|
13
|
12
|
|
2021/07
|
24
|
22
|
17
|
19
|
20
|
23
|
19
|
20
|
13
|
13
|
21
|
21
|
18
|
13
|
13
|
16
|
14
|
22
|
21
|
24
|
23
|
21
|
22
|
20
|
22
|
23
|
20
|
20
|
20
|
23
|
23
|
|
2021/06
|
30
|
25
|
24
|
25
|
27
|
25
|
26
|
24
|
24
|
21
|
22
|
20
|
13
|
14
|
15
|
17
|
16
|
15
|
15
|
14
|
16
|
15
|
14
|
13
|
16
|
16
|
14
|
22
|
24
|
23
|
|
|
2021/05
|
26
|
32
|
32
|
27
|
28
|
30
|
32
|
27
|
30
|
29
|
31
|
30
|
30
|
31
|
31
|
32
|
29
|
27
|
29
|
22
|
19
|
19
|
20
|
26
|
26
|
19
|
19
|
22
|
23
|
23
|
22
|
|
2021/04
|
32
|
34
|
35
|
35
|
33
|
31
|
31
|
34
|
35
|
32
|
28
|
28
|
33
|
29
|
27
|
27
|
31
|
38
|
34
|
29
|
28
|
32
|
34
|
33
|
30
|
32
|
29
|
28
|
26
|
26
|
|
|
2021/03
|
35
|
30
|
28
|
27
|
29
|
26
|
28
|
24
|
25
|
23
|
24
|
26
|
25
|
27
|
28
|
22
|
22
|
25
|
32
|
34
|
31
|
27
|
27
|
35
|
35
|
36
|
37
|
35
|
37
|
44
|
40
|
|
2021/02
|
27
|
29
|
29
|
30
|
25
|
25
|
25
|
24
|
22
|
25
|
30
|
46
|
28
|
28
|
25
|
22
|
24
|
24
|
25
|
29
|
26
|
26
|
23
|
25
|
25
|
26
|
32
|
31
|
|||
|
2021/01
|
33
|
35
|
32
|
39
|
33
|
33
|
27
|
35
|
31
|
27
|
27
|
28
|
26
|
24
|
30
|
31
|
28
|
27
|
30
|
23
|
23
|
24
|
30
|
31
|
27
|
27
|
27
|
29
|
28
|
25
|
26
|
|
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
|
*: primary pollution
