Air Quality
Excellent
No health implications.
4
PM2.5
13
PM10
107
O3
0.3
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jul
51
Good
Wed
9 Jul
56
Good
Thu
10 Jul
58
Good
Fri
11 Jul
60
Good
Sat
12 Jul
59
Good
Sun
13 Jul
58
Good
Mon
14 Jul
28
Excellent
Baiyu Air quality rank
Air quality in the last 12 months (Baiyu)
|
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
|
|
|
2024/08
|
19
|
17
|
15
|
14
|
15
|
18
|
18
|
19
|
15
|
16
|
15
|
17
|
15
|
17
|
15
|
16
|
12
|
14
|
14
|
14
|
13
|
12
|
15
|
19
|
19
|
18
|
19
|
18
|
17
|
16
|
12
|
|
2024/07
|
17
|
18
|
11
|
11
|
15
|
13
|
12
|
12
|
11
|
12
|
10
|
14
|
12
|
12
|
12
|
13
|
14
|
14
|
14
|
9
|
11
|
11
|
16
|
18
|
14
|
14
|
11
|
13
|
14
|
17
|
18
|
|
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