Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
83
O3
0.5
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Feb
40
Excellent
Wed
12 Feb
35
Excellent
Thu
13 Feb
41
Excellent
Fri
14 Feb
45
Excellent
Sat
15 Feb
39
Excellent
Sun
16 Feb
42
Excellent
Mon
17 Feb
42
Excellent
Air quality in the last 12 months (Baiyu)
|
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
|
|
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
|
||
|
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