Air Quality
Excellent
No health implications.
22
PM2.5
35
PM10
61
O3
0.7
CO
10
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
97
Good
Tue
14 Jul
63
Good
Wed
15 Jul
55
Good
Thu
16 Jul
57
Good
Fri
17 Jul
56
Good
Sat
18 Jul
21
Excellent
Sun
19 Jul
34
Excellent
Air quality in the last 12 months (Sihui)
|
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
|
|
|
2025/08
|
23
|
26
|
29
|
35
|
25
|
20
|
32
|
35
|
35
|
26
|
29
|
27
|
27
|
28
|
14
|
20
|
26
|
16
|
22
|
21
|
24
|
30
|
40
|
28
|
24
|
28
|
35
|
31
|
29
|
24
|
28
|
|
2025/07
|
19
|
28
|
34
|
39
|
43
|
39
|
35
|
27
|
28
|
24
|
18
|
31
|
26
|
33
|
33
|
33
|
37
|
37
|
27
|
13
|
16
|
16
|
22
|
21
|
18
|
22
|
37
|
37
|
27
|
30
|
23
|
|
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