Air Quality
Excellent
No health implications.
8
PM2.5
35
PM10
70
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Dec
32
Excellent
Fri
12 Dec
30
Excellent
Sat
13 Dec
34
Excellent
Sun
14 Dec
30
Excellent
Mon
15 Dec
39
Excellent
Tue
16 Dec
35
Excellent
Wed
17 Dec
42
Excellent
Bayi Air quality rank
Air quality in the last 12 months (Bayi)
|
2025/11
|
9
|
10
|
12
|
9
|
10
|
10
|
11
|
10
|
9
|
11
|
13
|
15
|
12
|
16
|
21
|
21
|
22
|
21
|
22
|
21
|
22
|
24
|
22
|
22
|
25
|
23
|
24
|
20
|
23
|
25
|
|
|
2025/10
|
9
|
8
|
8
|
11
|
8
|
8
|
9
|
7
|
8
|
8
|
9
|
9
|
11
|
13
|
10
|
12
|
14
|
10
|
11
|
12
|
14
|
14
|
13
|
10
|
10
|
8
|
9
|
12
|
10
|
11
|
10
|
|
2025/09
|
7
|
8
|
9
|
8
|
11
|
14
|
8
|
8
|
11
|
10
|
9
|
10
|
11
|
10
|
11
|
7
|
8
|
8
|
12
|
7
|
8
|
8
|
17
|
17
|
12
|
11
|
12
|
11
|
8
|
11
|
|
|
2025/08
|
10
|
10
|
9
|
8
|
10
|
10
|
9
|
10
|
9
|
7
|
10
|
11
|
8
|
11
|
10
|
10
|
8
|
9
|
9
|
9
|
8
|
8
|
8
|
8
|
9
|
8
|
8
|
8
|
8
|
8
|
11
|
|
2025/07
|
8
|
9
|
7
|
7
|
7
|
13
|
13
|
12
|
13
|
14
|
14
|
17
|
14
|
11
|
11
|
12
|
11
|
14
|
9
|
8
|
9
|
13
|
11
|
12
|
12
|
10
|
6
|
7
|
10
|
11
|
10
|
|
2025/06
|
7
|
7
|
8
|
7
|
8
|
8
|
8
|
11
|
17
|
20
|
23
|
22
|
21
|
12
|
11
|
11
|
8
|
9
|
8
|
10
|
11
|
15
|
15
|
8
|
11
|
10
|
13
|
15
|
9
|
11
|
|
|
2025/05
|
14
|
9
|
9
|
10
|
12
|
10
|
9
|
17
|
27
|
23
|
19
|
17
|
14
|
9
|
7
|
9
|
9
|
7
|
7
|
6
|
10
|
14
|
10
|
12
|
17
|
10
|
9
|
11
|
8
|
7
|
9
|
|
2025/04
|
21
|
18
|
18
|
12
|
14
|
21
|
24
|
27
|
18
|
20
|
10
|
11
|
9
|
15
|
15
|
14
|
14
|
18
|
21
|
12
|
10
|
12
|
9
|
11
|
10
|
11
|
13
|
10
|
9
|
11
|
|
|
2025/03
|
15
|
14
|
14
|
13
|
11
|
21
|
26
|
21
|
14
|
17
|
23
|
16
|
13
|
12
|
13
|
17
|
13
|
15
|
27
|
25
|
28
|
12
|
10
|
11
|
12
|
16
|
23
|
24
|
22
|
16
|
12
|
|
2025/02
|
11
|
20
|
23
|
28
|
33
|
13
|
12
|
18
|
19
|
18
|
16
|
10
|
8
|
9
|
13
|
14
|
14
|
12
|
13
|
10
|
12
|
13
|
12
|
11
|
12
|
13
|
16
|
15
|
|||
|
2025/01
|
14
|
16
|
21
|
22
|
18
|
28
|
16
|
12
|
11
|
14
|
17
|
14
|
10
|
11
|
16
|
15
|
15
|
18
|
18
|
16
|
20
|
25
|
13
|
9
|
17
|
15
|
12
|
11
|
13
|
8
|
7
|
|
2024/12
|
14
|
16
|
13
|
16
|
15
|
16
|
14
|
15
|
23
|
15
|
14
|
18
|
13
|
17
|
19
|
20
|
17
|
16
|
18
|
26
|
11
|
10
|
12
|
18
|
12
|
19
|
20
|
16
|
24
|
15
|
14
|
|
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