Air Quality
Excellent
No health implications.
14
PM2.5
24
PM10
31
O3
0.7
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Sep
40
Excellent
Sun
7 Sep
36
Excellent
Mon
8 Sep
38
Excellent
Tue
9 Sep
40
Excellent
Wed
10 Sep
39
Excellent
Thu
11 Sep
38
Excellent
Fri
12 Sep
21
Excellent
Air quality in the last 12 months (Yao'an)
|
2025/08
|
27
|
26
|
19
|
18
|
23
|
21
|
22
|
19
|
20
|
16
|
16
|
12
|
20
|
27
|
31
|
25
|
20
|
26
|
28
|
22
|
16
|
10
|
12
|
11
|
19
|
23
|
23
|
18
|
16
|
20
|
27
|
|
2025/07
|
19
|
17
|
12
|
12
|
12
|
15
|
17
|
14
|
16
|
21
|
19
|
22
|
29
|
28
|
27
|
29
|
30
|
30
|
20
|
21
|
21
|
20
|
19
|
25
|
15
|
26
|
24
|
21
|
28
|
30
|
19
|
|
2025/06
|
12
|
13
|
15
|
22
|
29
|
29
|
24
|
24
|
22
|
24
|
28
|
36
|
40
|
39
|
22
|
16
|
14
|
12
|
12
|
15
|
20
|
16
|
13
|
13
|
15
|
13
|
18
|
17
|
13
|
13
|
|
|
2025/05
|
29
|
26
|
21
|
16
|
23
|
30
|
24
|
25
|
30
|
40
|
22
|
31
|
31
|
30
|
29
|
33
|
32
|
31
|
26
|
30
|
26
|
22
|
44
|
22
|
15
|
18
|
14
|
14
|
15
|
15
|
12
|
|
2025/04
|
66
|
65
|
72
|
63
|
59
|
56
|
61
|
67
|
65
|
59
|
43
|
36
|
40
|
37
|
34
|
24
|
23
|
22
|
24
|
29
|
25
|
24
|
37
|
49
|
54
|
57
|
59
|
60
|
45
|
28
|
|
|
2025/03
|
46
|
43
|
32
|
37
|
45
|
53
|
61
|
60
|
55
|
53
|
45
|
66
|
78
|
62
|
48
|
54
|
51
|
35
|
31
|
46
|
59
|
57
|
50
|
37
|
35
|
32
|
32
|
73
|
105
|
87
|
74
|
|
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
|
|
|
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