Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
40
PM2.5
56
PM10
217
O3
0.6
CO
7
SO2
12
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
18 Sep
111
Light
Sat
19 Sep
99
Good
Sun
20 Sep
90
Good
Mon
21 Sep
89
Good
Tue
22 Sep
64
Good
Wed
23 Sep
61
Good
Thu
24 Sep
26
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