Air Quality
Excellent
No health implications.
13
PM2.5
15
PM10
78
O3
0.3
CO
6
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
67
Good
Thu
18 Apr
72
Good
Fri
19 Apr
67
Good
Sat
20 Apr
69
Good
Sun
21 Apr
63
Good
Mon
22 Apr
66
Good
Air quality in the last 12 months (Bayi)
|
2024/02
|
30
|
31
|
30
|
27
|
30
|
29
|
28
|
28
|
30
|
29
|
24
|
27
|
25
|
30
|
27
|
25
|
23
|
27
|
28
|
31
|
29
|
27
|
27
|
29
|
33
|
32
|
29
|
31
|
27
|
||
|
2024/01
|
21
|
20
|
21
|
19
|
19
|
18
|
20
|
21
|
21
|
21
|
20
|
20
|
22
|
21
|
23
|
24
|
24
|
24
|
23
|
24
|
25
|
24
|
22
|
27
|
29
|
25
|
26
|
25
|
24
|
25
|
27
|
|
2023/12
|
23
|
25
|
22
|
19
|
23
|
19
|
21
|
18
|
16
|
23
|
23
|
22
|
25
|
22
|
20
|
19
|
21
|
23
|
22
|
25
|
24
|
23
|
23
|
19
|
21
|
19
|
19
|
20
|
21
|
22
|
20
|
|
2023/11
|
18
|
21
|
16
|
22
|
24
|
20
|
17
|
23
|
19
|
18
|
20
|
23
|
20
|
19
|
24
|
20
|
18
|
20
|
21
|
18
|
21
|
20
|
17
|
17
|
22
|
21
|
23
|
19
|
22
|
21
|
|
|
2023/10
|
18
|
13
|
11
|
13
|
13
|
14
|
17
|
14
|
18
|
20
|
25
|
23
|
19
|
17
|
18
|
22
|
22
|
25
|
23
|
26
|
24
|
22
|
23
|
22
|
21
|
21
|
23
|
24
|
19
|
19
|
17
|
|
2023/09
|
21
|
24
|
23
|
23
|
24
|
21
|
22
|
23
|
17
|
14
|
15
|
15
|
16
|
18
|
18
|
17
|
17
|
20
|
18
|
17
|
11
|
12
|
12
|
12
|
12
|
13
|
17
|
18
|
15
|
17
|
|
|
2023/08
|
11
|
17
|
12
|
12
|
11
|
13
|
12
|
13
|
12
|
10
|
12
|
11
|
14
|
13
|
13
|
16
|
15
|
17
|
17
|
17
|
16
|
19
|
14
|
12
|
12
|
11
|
14
|
15
|
15
|
16
|
16
|
|
2023/07
|
17
|
17
|
15
|
14
|
16
|
13
|
10
|
11
|
11
|
11
|
13
|
14
|
10
|
12
|
12
|
13
|
20
|
23
|
19
|
21
|
23
|
21
|
18
|
16
|
15
|
13
|
10
|
12
|
11
|
12
|
12
|
|
2023/06
|
29
|
29
|
31
|
32
|
31
|
33
|
35
|
32
|
26
|
20
|
18
|
21
|
23
|
24
|
22
|
23
|
22
|
23
|
18
|
17
|
18
|
25
|
31
|
28
|
27
|
26
|
25
|
20
|
17
|
15
|
|
|
2023/05
|
31
|
29
|
29
|
29
|
30
|
29
|
25
|
35
|
36
|
38
|
35
|
37
|
31
|
30
|
30
|
31
|
30
|
33
|
30
|
30
|
31
|
34
|
29
|
30
|
32
|
32
|
26
|
32
|
33
|
30
|
30
|
|
2023/04
|
32
|
32
|
32
|
28
|
32
|
33
|
33
|
31
|
36
|
39
|
33
|
31
|
38
|
35
|
34
|
44
|
31
|
29
|
32
|
32
|
30
|
31
|
31
|
33
|
31
|
34
|
35
|
37
|
30
|
31
|
|
|
2023/03
|
27
|
28
|
25
|
24
|
28
|
28
|
30
|
27
|
35
|
32
|
30
|
27
|
26
|
26
|
34
|
30
|
33
|
33
|
35
|
33
|
29
|
26
|
27
|
27
|
25
|
30
|
29
|
29
|
27
|
29
|
29
|
|
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