Air Quality
Excellent
No health implications.
9
PM2.5
14
PM10
57
O3
0.3
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
52
Good
Wed
16 Jul
57
Good
Thu
17 Jul
56
Good
Fri
18 Jul
56
Good
Sat
19 Jul
60
Good
Sun
20 Jul
28
Excellent
Mon
21 Jul
20
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