Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
38
O3
0.5
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
44
Excellent
Thu
11 Sep
46
Excellent
Fri
12 Sep
47
Excellent
Sat
13 Sep
46
Excellent
Sun
14 Sep
48
Excellent
Mon
15 Sep
49
Excellent
Tue
16 Sep
48
Excellent
Baiyu Air quality rank
Air quality in the last 12 months (Baiyu)
|
2025/08
|
14
|
15
|
15
|
14
|
17
|
20
|
15
|
14
|
12
|
11
|
19
|
22
|
22
|
18
|
15
|
15
|
16
|
14
|
12
|
11
|
11
|
12
|
12
|
14
|
12
|
12
|
14
|
10
|
14
|
13
|
13
|
|
2025/07
|
19
|
13
|
14
|
14
|
11
|
14
|
13
|
18
|
19
|
22
|
23
|
15
|
15
|
14
|
14
|
21
|
20
|
21
|
13
|
14
|
13
|
13
|
13
|
14
|
17
|
13
|
16
|
15
|
17
|
11
|
13
|
|
2025/06
|
13
|
12
|
11
|
11
|
13
|
12
|
13
|
12
|
15
|
18
|
15
|
18
|
19
|
23
|
25
|
21
|
16
|
17
|
8
|
9
|
13
|
18
|
19
|
12
|
14
|
14
|
20
|
26
|
20
|
31
|
|
|
2025/05
|
20
|
12
|
10
|
14
|
16
|
8
|
13
|
36
|
36
|
24
|
23
|
25
|
17
|
44
|
8
|
9
|
8
|
8
|
12
|
12
|
15
|
32
|
25
|
20
|
21
|
18
|
10
|
13
|
14
|
13
|
9
|
|
2025/04
|
35
|
28
|
20
|
20
|
19
|
21
|
25
|
29
|
20
|
22
|
13
|
17
|
13
|
10
|
11
|
13
|
13
|
23
|
27
|
15
|
17
|
12
|
11
|
10
|
12
|
14
|
23
|
17
|
17
|
24
|
|
|
2025/03
|
16
|
21
|
21
|
17
|
18
|
35
|
46
|
28
|
17
|
18
|
18
|
22
|
11
|
11
|
13
|
26
|
15
|
13
|
19
|
17
|
16
|
12
|
28
|
18
|
14
|
19
|
39
|
41
|
33
|
68
|
45
|
|
2025/02
|
19
|
23
|
27
|
30
|
29
|
28
|
23
|
27
|
20
|
19
|
15
|
16
|
13
|
17
|
23
|
18
|
16
|
13
|
13
|
18
|
19
|
17
|
18
|
16
|
16
|
15
|
22
|
48
|
|||
|
2025/01
|
28
|
26
|
28
|
27
|
28
|
29
|
25
|
15
|
19
|
16
|
27
|
24
|
18
|
18
|
16
|
24
|
29
|
36
|
34
|
30
|
30
|
28
|
28
|
21
|
35
|
29
|
16
|
18
|
32
|
20
|
13
|
|
2024/12
|
31
|
30
|
29
|
29
|
29
|
29
|
28
|
32
|
26
|
24
|
33
|
35
|
29
|
27
|
28
|
27
|
37
|
33
|
34
|
31
|
25
|
22
|
29
|
27
|
29
|
30
|
28
|
31
|
31
|
19
|
17
|
|
2024/11
|
15
|
21
|
20
|
15
|
16
|
15
|
23
|
21
|
21
|
23
|
22
|
21
|
27
|
24
|
28
|
30
|
24
|
23
|
22
|
17
|
18
|
18
|
19
|
21
|
49
|
23
|
19
|
15
|
23
|
28
|
|
|
2024/10
|
13
|
15
|
11
|
10
|
11
|
10
|
9
|
12
|
14
|
11
|
8
|
10
|
12
|
15
|
14
|
10
|
15
|
13
|
10
|
28
|
29
|
24
|
24
|
19
|
13
|
14
|
18
|
19
|
18
|
16
|
17
|
|
2024/09
|
12
|
10
|
9
|
10
|
12
|
12
|
11
|
11
|
11
|
11
|
11
|
11
|
10
|
9
|
10
|
11
|
10
|
12
|
13
|
9
|
9
|
10
|
12
|
11
|
12
|
13
|
16
|
11
|
11
|
15
|
|
|
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