Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Only very few hypersensitive people should reduce outdoor activities.
Today
6 Feb
Tue
7 Feb
Wed
8 Feb
Thu
9 Feb
Fri
10 Feb
Sat
11 Feb
Sun
12 Feb
2023/01
|
35
|
39
|
30
|
38
|
27
|
24
|
23
|
24
|
30
|
27
|
26
|
24
|
28
|
45
|
41
|
41
|
34
|
32
|
27
|
28
|
42
|
98
|
51
|
32
|
32
|
28
|
28
|
31
|
26
|
24
|
28
|
2022/12
|
30
|
26
|
25
|
26
|
27
|
29
|
29
|
35
|
33
|
30
|
35
|
35
|
33
|
38
|
32
|
35
|
32
|
37
|
37
|
36
|
30
|
27
|
28
|
37
|
49
|
28
|
28
|
27
|
28
|
30
|
47
|
2022/11
|
25
|
25
|
29
|
25
|
26
|
24
|
26
|
29
|
28
|
30
|
28
|
26
|
42
|
28
|
30
|
27
|
26
|
27
|
29
|
32
|
42
|
32
|
29
|
28
|
28
|
37
|
26
|
30
|
29
|
27
|
|
2022/10
|
25
|
28
|
24
|
18
|
14
|
14
|
17
|
19
|
22
|
17
|
17
|
17
|
22
|
26
|
27
|
29
|
26
|
35
|
33
|
31
|
29
|
30
|
31
|
48
|
33
|
20
|
20
|
20
|
20
|
21
|
22
|
2022/09
|
24
|
21
|
22
|
29
|
33
|
27
|
28
|
31
|
31
|
31
|
25
|
24
|
18
|
14
|
15
|
15
|
20
|
24
|
23
|
24
|
21
|
20
|
23
|
28
|
25
|
23
|
22
|
28
|
24
|
24
|
|
2022/08
|
21
|
21
|
21
|
20
|
22
|
22
|
25
|
24
|
23
|
23
|
27
|
24
|
26
|
25
|
22
|
19
|
22
|
22
|
27
|
23
|
21
|
26
|
24
|
23
|
22
|
26
|
27
|
24
|
22
|
20
|
24
|
2022/07
|
35
|
32
|
35
|
33
|
32
|
30
|
28
|
25
|
27
|
30
|
27
|
31
|
24
|
22
|
27
|
27
|
26
|
27
|
29
|
30
|
25
|
29
|
27
|
31
|
39
|
33
|
37
|
31
|
23
|
24
|
21
|
2022/06
|
31
|
29
|
32
|
34
|
33
|
31
|
33
|
36
|
34
|
34
|
34
|
34
|
37
|
30
|
35
|
37
|
33
|
33
|
29
|
36
|
30
|
29
|
26
|
31
|
25
|
26
|
25
|
31
|
30
|
40
|
|
2022/05
|
33
|
28
|
31
|
29
|
31
|
32
|
35
|
36
|
36
|
40
|
37
|
33
|
34
|
33
|
34
|
33
|
37
|
34
|
39
|
43
|
36
|
35
|
40
|
42
|
36
|
30
|
38
|
42
|
34
|
32
|
31
|
2022/04
|
35
|
36
|
42
|
39
|
32
|
31
|
30
|
34
|
30
|
33
|
31
|
35
|
33
|
37
|
39
|
41
|
43
|
32
|
33
|
35
|
31
|
32
|
31
|
33
|
36
|
37
|
37
|
29
|
34
|
36
|
|
2022/03
|
24
|
27
|
34
|
36
|
34
|
24
|
27
|
29
|
29
|
35
|
32
|
34
|
34
|
30
|
29
|
32
|
30
|
33
|
31
|
38
|
42
|
37
|
38
|
40
|
39
|
41
|
38
|
33
|
30
|
34
|
39
|
2022/02
|
29
|
30
|
27
|
27
|
27
|
29
|
26
|
33
|
28
|
29
|
30
|
32
|
25
|
26
|
28
|
31
|
29
|
28
|
35
|
31
|
32
|
28
|
27
|
24
|
25
|
31
|
30
|
35
|
|||
1
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2
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3
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4
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5
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6
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7
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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