Air Quality
Excellent
No health implications.
7
PM2.5
17
PM10
120
O3
0.5
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
66
Good
Sat
27 Apr
64
Good
Sun
28 Apr
64
Good
Mon
29 Apr
64
Good
Tue
30 Apr
63
Good
Wed
1 May
67
Good
Thu
2 May
65
Good
Air quality in the last 12 months (Baiyu)
|
2024/02
|
23
|
24
|
30
|
30
|
27
|
23
|
24
|
23
|
25
|
30
|
20
|
21
|
20
|
21
|
22
|
21
|
19
|
20
|
19
|
21
|
24
|
25
|
26
|
25
|
23
|
24
|
23
|
25
|
22
|
||
|
2024/01
|
28
|
20
|
16
|
21
|
23
|
24
|
27
|
25
|
26
|
23
|
25
|
25
|
25
|
24
|
26
|
23
|
19
|
19
|
20
|
21
|
19
|
21
|
19
|
23
|
26
|
21
|
20
|
19
|
23
|
21
|
22
|
|
2023/12
|
23
|
22
|
19
|
25
|
21
|
20
|
25
|
20
|
18
|
23
|
25
|
22
|
24
|
23
|
54
|
35
|
29
|
27
|
25
|
26
|
29
|
25
|
25
|
21
|
21
|
23
|
30
|
29
|
26
|
20
|
25
|
|
2023/11
|
22
|
22
|
21
|
19
|
22
|
20
|
24
|
22
|
21
|
20
|
27
|
22
|
26
|
28
|
30
|
30
|
31
|
26
|
22
|
25
|
22
|
21
|
25
|
25
|
26
|
29
|
27
|
30
|
35
|
28
|
|
|
2023/10
|
18
|
16
|
14
|
28
|
14
|
17
|
15
|
19
|
20
|
17
|
19
|
24
|
20
|
17
|
20
|
17
|
18
|
20
|
24
|
21
|
20
|
18
|
20
|
21
|
21
|
20
|
20
|
18
|
21
|
21
|
18
|
|
2023/09
|
23
|
22
|
22
|
19
|
20
|
21
|
21
|
19
|
20
|
18
|
17
|
18
|
16
|
17
|
18
|
18
|
19
|
17
|
17
|
17
|
14
|
13
|
14
|
14
|
18
|
17
|
16
|
18
|
19
|
18
|
|
|
2023/08
|
21
|
19
|
17
|
18
|
18
|
18
|
18
|
20
|
21
|
20
|
23
|
18
|
19
|
16
|
16
|
17
|
20
|
16
|
19
|
20
|
21
|
22
|
20
|
23
|
15
|
16
|
15
|
14
|
15
|
16
|
17
|
|
2023/07
|
15
|
16
|
23
|
21
|
19
|
16
|
15
|
16
|
18
|
21
|
21
|
15
|
18
|
18
|
17
|
18
|
22
|
23
|
28
|
23
|
23
|
23
|
22
|
20
|
18
|
16
|
21
|
22
|
18
|
21
|
19
|
|
2023/06
|
28
|
28
|
29
|
42
|
30
|
27
|
30
|
28
|
24
|
23
|
24
|
23
|
23
|
24
|
22
|
21
|
25
|
26
|
28
|
25
|
27
|
27
|
29
|
30
|
31
|
29
|
24
|
21
|
17
|
17
|
|
|
2023/05
|
28
|
26
|
30
|
30
|
32
|
26
|
28
|
31
|
31
|
32
|
32
|
30
|
27
|
30
|
30
|
26
|
29
|
30
|
28
|
27
|
29
|
30
|
30
|
29
|
27
|
28
|
27
|
29
|
29
|
30
|
29
|
|
2023/04
|
25
|
29
|
32
|
30
|
32
|
40
|
23
|
27
|
26
|
29
|
29
|
30
|
33
|
53
|
38
|
28
|
30
|
27
|
24
|
29
|
30
|
28
|
30
|
31
|
33
|
30
|
27
|
29
|
26
|
25
|
|
|
2023/03
|
26
|
24
|
23
|
22
|
24
|
25
|
28
|
24
|
25
|
25
|
22
|
23
|
24
|
23
|
27
|
26
|
22
|
25
|
27
|
26
|
21
|
25
|
27
|
26
|
25
|
24
|
27
|
28
|
29
|
28
|
28
|
|
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