Air Quality
Excellent
No health implications.
14
PM2.5
25
PM10
104
O3
0.3
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Apr
51
Good
Wed
16 Apr
52
Good
Thu
17 Apr
50
Excellent
Fri
18 Apr
51
Good
Sat
19 Apr
54
Good
Sun
20 Apr
54
Good
Mon
21 Apr
36
Excellent
Air quality in the last 12 months (Baiyu)
|
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
|
|
2024/06
|
12
|
11
|
11
|
12
|
12
|
10
|
12
|
10
|
9
|
12
|
10
|
10
|
9
|
11
|
11
|
10
|
13
|
11
|
12
|
9
|
12
|
10
|
11
|
9
|
10
|
10
|
12
|
10
|
12
|
14
|
|
|
2024/05
|
11
|
13
|
20
|
25
|
21
|
17
|
11
|
10
|
10
|
11
|
13
|
11
|
12
|
13
|
14
|
14
|
11
|
19
|
26
|
19
|
15
|
11
|
14
|
15
|
12
|
16
|
11
|
10
|
10
|
11
|
11
|
|
2024/04
|
13
|
14
|
19
|
13
|
13
|
14
|
15
|
13
|
13
|
20
|
16
|
16
|
14
|
13
|
13
|
25
|
14
|
26
|
37
|
15
|
12
|
12
|
14
|
14
|
13
|
16
|
15
|
13
|
15
|
15
|
|
|
2024/03
|
29
|
25
|
21
|
13
|
17
|
25
|
12
|
13
|
13
|
16
|
14
|
15
|
15
|
13
|
12
|
18
|
19
|
23
|
30
|
20
|
14
|
12
|
10
|
14
|
15
|
11
|
17
|
15
|
13
|
12
|
13
|
|
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