Air Quality
Excellent
No health implications.
29
PM2.5
45
PM10
68
O3
0.6
CO
12
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
53
Good
Sun
11 May
66
Good
Mon
12 May
63
Good
Tue
13 May
62
Good
Wed
14 May
52
Good
Thu
15 May
23
Excellent
Fri
16 May
15
Excellent
Air quality in the last 12 months (Yao'an)
|
2025/02
|
50
|
54
|
44
|
42
|
45
|
52
|
49
|
38
|
35
|
30
|
29
|
33
|
49
|
57
|
41
|
48
|
34
|
39
|
47
|
40
|
41
|
41
|
43
|
39
|
34
|
27
|
26
|
38
|
|||
|
2025/01
|
40
|
32
|
41
|
41
|
44
|
46
|
34
|
35
|
26
|
38
|
31
|
39
|
46
|
32
|
58
|
61
|
49
|
43
|
42
|
41
|
44
|
47
|
45
|
29
|
27
|
32
|
30
|
42
|
45
|
36
|
37
|
|
2024/12
|
25
|
26
|
28
|
27
|
27
|
29
|
30
|
30
|
23
|
30
|
38
|
38
|
36
|
30
|
29
|
28
|
30
|
34
|
28
|
29
|
35
|
27
|
24
|
34
|
31
|
37
|
48
|
55
|
35
|
28
|
33
|
|
2024/11
|
31
|
37
|
34
|
32
|
33
|
52
|
22
|
12
|
16
|
26
|
25
|
22
|
21
|
24
|
26
|
31
|
33
|
29
|
27
|
28
|
23
|
19
|
21
|
20
|
28
|
26
|
27
|
31
|
15
|
16
|
|
|
2024/10
|
14
|
23
|
26
|
23
|
13
|
17
|
24
|
28
|
23
|
22
|
21
|
25
|
26
|
27
|
27
|
24
|
19
|
32
|
34
|
29
|
19
|
23
|
24
|
25
|
28
|
30
|
39
|
50
|
46
|
37
|
30
|
|
2024/09
|
23
|
19
|
22
|
22
|
15
|
27
|
30
|
26
|
21
|
14
|
20
|
22
|
26
|
24
|
25
|
22
|
24
|
28
|
33
|
35
|
35
|
26
|
25
|
34
|
35
|
31
|
21
|
17
|
18
|
24
|
|
|
2024/08
|
26
|
32
|
24
|
16
|
21
|
16
|
17
|
16
|
17
|
21
|
20
|
35
|
37
|
44
|
43
|
33
|
32
|
30
|
27
|
27
|
28
|
34
|
18
|
21
|
25
|
26
|
20
|
30
|
26
|
28
|
22
|
|
2024/07
|
11
|
16
|
12
|
12
|
12
|
15
|
12
|
14
|
15
|
13
|
14
|
13
|
14
|
19
|
14
|
15
|
18
|
22
|
22
|
16
|
17
|
20
|
17
|
21
|
23
|
25
|
27
|
27
|
23
|
17
|
22
|
|
2024/06
|
34
|
34
|
28
|
25
|
24
|
25
|
18
|
21
|
19
|
26
|
23
|
21
|
13
|
14
|
20
|
20
|
26
|
21
|
23
|
29
|
27
|
24
|
21
|
12
|
16
|
27
|
19
|
11
|
13
|
13
|
|
|
2024/05
|
48
|
46
|
37
|
51
|
52
|
37
|
34
|
41
|
32
|
27
|
29
|
31
|
33
|
31
|
29
|
29
|
33
|
32
|
33
|
16
|
28
|
34
|
27
|
28
|
24
|
13
|
13
|
16
|
21
|
37
|
23
|
|
2024/04
|
28
|
37
|
51
|
45
|
44
|
59
|
47
|
48
|
51
|
49
|
50
|
60
|
45
|
41
|
42
|
54
|
60
|
46
|
42
|
41
|
29
|
45
|
53
|
49
|
39
|
46
|
51
|
57
|
45
|
54
|
|
|
2024/03
|
32
|
32
|
27
|
33
|
28
|
28
|
28
|
28
|
25
|
38
|
40
|
59
|
57
|
47
|
52
|
48
|
55
|
43
|
50
|
68
|
52
|
32
|
19
|
27
|
29
|
38
|
43
|
38
|
43
|
51
|
40
|
|
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