Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
59
O3
0.7
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Nov
55
Good
Tue
10 Nov
54
Good
Wed
11 Nov
59
Good
Thu
12 Nov
75
Good
Fri
13 Nov
76
Good
Sat
14 Nov
54
Good
Sun
15 Nov
31
Excellent
Air quality in the last 12 months (Sihui)
|
2026/08
|
20
|
18
|
18
|
23
|
37
|
53
|
46
|
29
|
28
|
27
|
24
|
36
|
34
|
25
|
22
|
28
|
29
|
25
|
26
|
21
|
26
|
28
|
27
|
26
|
23
|
21
|
15
|
23
|
30
|
20
|
21
|
|
2026/07
|
28
|
29
|
21
|
17
|
18
|
17
|
20
|
20
|
27
|
37
|
37
|
36
|
43
|
19
|
17
|
25
|
28
|
28
|
32
|
32
|
33
|
34
|
40
|
40
|
38
|
17
|
26
|
20
|
15
|
22
|
20
|
|
2026/06
|
35
|
33
|
42
|
39
|
33
|
32
|
37
|
35
|
23
|
29
|
30
|
43
|
23
|
28
|
21
|
21
|
18
|
17
|
21
|
23
|
23
|
25
|
30
|
33
|
28
|
23
|
25
|
26
|
28
|
26
|
|
|
2026/05
|
37
|
42
|
26
|
31
|
41
|
41
|
45
|
20
|
32
|
46
|
44
|
48
|
36
|
30
|
41
|
27
|
31
|
32
|
29
|
23
|
23
|
28
|
28
|
31
|
35
|
39
|
39
|
39
|
46
|
31
|
35
|
|
2026/04
|
27
|
43
|
45
|
25
|
48
|
49
|
51
|
47
|
45
|
39
|
41
|
45
|
36
|
38
|
29
|
32
|
31
|
35
|
58
|
41
|
35
|
34
|
21
|
29
|
38
|
72
|
48
|
36
|
27
|
25
|
|
|
2026/03
|
23
|
30
|
11
|
13
|
21
|
26
|
35
|
56
|
41
|
16
|
34
|
34
|
52
|
58
|
52
|
45
|
43
|
41
|
47
|
40
|
36
|
46
|
51
|
51
|
64
|
40
|
38
|
39
|
36
|
37
|
36
|
|
2026/02
|
29
|
33
|
47
|
64
|
53
|
37
|
31
|
34
|
47
|
57
|
42
|
33
|
44
|
39
|
24
|
28
|
38
|
33
|
43
|
46
|
47
|
37
|
48
|
51
|
37
|
35
|
33
|
19
|
|||
|
2026/01
|
58
|
19
|
37
|
59
|
41
|
38
|
38
|
29
|
34
|
46
|
37
|
59
|
56
|
74
|
74
|
94
|
133
|
125
|
93
|
60
|
25
|
24
|
32
|
44
|
69
|
75
|
50
|
45
|
57
|
57
|
27
|
|
2025/12
|
41
|
31
|
62
|
63
|
64
|
69
|
73
|
56
|
57
|
63
|
57
|
57
|
38
|
21
|
38
|
54
|
39
|
40
|
72
|
45
|
53
|
77
|
77
|
67
|
17
|
37
|
41
|
48
|
56
|
46
|
62
|
|
2025/11
|
28
|
32
|
22
|
11
|
13
|
24
|
34
|
47
|
18
|
9
|
11
|
17
|
21
|
28
|
37
|
41
|
43
|
32
|
21
|
25
|
28
|
32
|
45
|
40
|
35
|
46
|
43
|
49
|
55
|
56
|
|
|
2025/10
|
43
|
25
|
25
|
35
|
17
|
22
|
33
|
32
|
44
|
46
|
47
|
36
|
25
|
26
|
45
|
50
|
47
|
49
|
27
|
14
|
12
|
11
|
15
|
31
|
36
|
44
|
43
|
45
|
50
|
45
|
31
|
|
2025/09
|
28
|
26
|
25
|
26
|
27
|
30
|
26
|
12
|
17
|
22
|
29
|
19
|
27
|
27
|
29
|
25
|
31
|
28
|
27
|
20
|
14
|
22
|
19
|
10
|
18
|
25
|
34
|
35
|
41
|
35
|
|
|
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