Air Quality
Excellent
No health implications.
4
PM2.5
6
PM10
67
O3
0.3
CO
4
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Oct
42
Excellent
Sun
19 Oct
36
Excellent
Mon
20 Oct
37
Excellent
Tue
21 Oct
43
Excellent
Wed
22 Oct
36
Excellent
Thu
23 Oct
37
Excellent
Fri
24 Oct
32
Excellent
Air quality in the last 12 months (Bayi)
|
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
|
|
2024/11
|
13
|
16
|
15
|
12
|
13
|
13
|
11
|
16
|
15
|
14
|
13
|
16
|
11
|
13
|
20
|
18
|
10
|
11
|
11
|
10
|
11
|
13
|
10
|
12
|
9
|
10
|
10
|
10
|
13
|
11
|
|
|
2024/10
|
12
|
6
|
7
|
6
|
8
|
7
|
6
|
8
|
7
|
8
|
8
|
8
|
7
|
7
|
8
|
9
|
8
|
9
|
8
|
11
|
14
|
13
|
12
|
12
|
14
|
8
|
11
|
12
|
13
|
9
|
9
|
|
2024/09
|
8
|
9
|
9
|
9
|
7
|
8
|
12
|
10
|
11
|
12
|
9
|
10
|
15
|
10
|
11
|
12
|
8
|
10
|
12
|
9
|
10
|
10
|
11
|
7
|
8
|
7
|
14
|
7
|
8
|
10
|
|
|
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