Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
*
PM2.5
52
PM10
26
O3
0.6
CO
7
SO2
45
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 Feb
52
Good
Fri
10 Feb
56
Good
Sat
11 Feb
51
Good
Sun
12 Feb
53
Good
Mon
13 Feb
54
Good
Tue
14 Feb
47
Excellent
Wed
15 Feb
54
Good
Air quality in the last 12 months (Sihui)
|
2023/01
|
37
|
47
|
45
|
59
|
46
|
49
|
57
|
54
|
18
|
19
|
21
|
20
|
22
|
19
|
13
|
15
|
29
|
36
|
38
|
41
|
46
|
69
|
83
|
43
|
69
|
52
|
43
|
53
|
47
|
46
|
51
|
|
2022/12
|
10
|
9
|
18
|
15
|
12
|
24
|
21
|
27
|
29
|
39
|
50
|
81
|
68
|
53
|
49
|
34
|
65
|
30
|
26
|
40
|
32
|
47
|
45
|
38
|
33
|
56
|
53
|
80
|
70
|
40
|
40
|
|
2022/11
|
37
|
26
|
14
|
13
|
16
|
24
|
26
|
30
|
22
|
43
|
58
|
76
|
68
|
52
|
67
|
71
|
54
|
60
|
49
|
28
|
42
|
21
|
11
|
11
|
13
|
16
|
35
|
32
|
28
|
16
|
|
|
2022/10
|
23
|
28
|
29
|
29
|
47
|
44
|
43
|
30
|
29
|
27
|
33
|
36
|
38
|
41
|
45
|
51
|
49
|
51
|
38
|
59
|
70
|
52
|
52
|
65
|
80
|
69
|
74
|
59
|
36
|
27
|
39
|
|
2022/09
|
27
|
28
|
36
|
39
|
45
|
57
|
42
|
35
|
21
|
31
|
42
|
46
|
54
|
52
|
52
|
56
|
62
|
61
|
67
|
73
|
54
|
54
|
59
|
63
|
65
|
68
|
57
|
43
|
35
|
23
|
|
|
2022/08
|
38
|
28
|
25
|
19
|
19
|
25
|
42
|
27
|
18
|
13
|
17
|
24
|
40
|
37
|
36
|
32
|
29
|
25
|
24
|
20
|
20
|
29
|
34
|
39
|
17
|
25
|
29
|
38
|
45
|
36
|
32
|
|
2022/07
|
19
|
14
|
16
|
16
|
26
|
24
|
21
|
23
|
35
|
38
|
32
|
38
|
35
|
36
|
26
|
27
|
29
|
30
|
29
|
23
|
25
|
28
|
33
|
37
|
51
|
53
|
46
|
49
|
46
|
55
|
42
|
|
2022/06
|
31
|
26
|
28
|
28
|
27
|
24
|
27
|
21
|
17
|
28
|
22
|
28
|
26
|
23
|
32
|
20
|
20
|
21
|
24
|
23
|
30
|
27
|
24
|
27
|
27
|
23
|
21
|
26
|
38
|
23
|
|
|
2022/05
|
21
|
24
|
32
|
57
|
84
|
70
|
55
|
46
|
56
|
35
|
23
|
23
|
21
|
21
|
16
|
21
|
34
|
72
|
72
|
48
|
56
|
30
|
38
|
31
|
40
|
30
|
26
|
30
|
31
|
33
|
30
|
|
2022/04
|
19
|
24
|
33
|
56
|
74
|
70
|
61
|
64
|
68
|
69
|
45
|
40
|
34
|
33
|
52
|
35
|
22
|
12
|
16
|
46
|
58
|
47
|
37
|
31
|
25
|
40
|
35
|
33
|
33
|
42
|
|
|
2022/03
|
38
|
46
|
63
|
47
|
59
|
46
|
32
|
51
|
49
|
62
|
46
|
48
|
40
|
49
|
75
|
49
|
36
|
30
|
57
|
40
|
46
|
42
|
17
|
17
|
43
|
35
|
16
|
16
|
31
|
40
|
43
|
|
2022/02
|
12
|
11
|
15
|
19
|
20
|
23
|
20
|
10
|
9
|
12
|
29
|
14
|
15
|
16
|
26
|
40
|
43
|
22
|
18
|
20
|
18
|
15
|
17
|
20
|
32
|
51
|
67
|
53
|
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1
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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
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
|
24
|
25
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26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution