Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
29
PM2.5
60
PM10
165
O3
0.6
CO
6
SO2
8
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Apr
80
Good
Sun
28 Apr
83
Good
Mon
29 Apr
75
Good
Tue
30 Apr
78
Good
Wed
1 May
76
Good
Thu
2 May
75
Good
Fri
3 May
76
Good
Air quality in the last 12 months (Yao'an)
|
2024/02
|
39
|
58
|
37
|
31
|
38
|
33
|
33
|
37
|
47
|
75
|
58
|
40
|
36
|
33
|
30
|
34
|
30
|
31
|
29
|
30
|
39
|
43
|
61
|
52
|
42
|
38
|
34
|
31
|
34
|
||
|
2024/01
|
42
|
31
|
37
|
35
|
32
|
42
|
42
|
36
|
37
|
40
|
43
|
46
|
44
|
44
|
39
|
36
|
26
|
34
|
42
|
46
|
50
|
36
|
46
|
40
|
26
|
24
|
25
|
25
|
27
|
36
|
30
|
|
2023/12
|
40
|
32
|
29
|
28
|
27
|
29
|
34
|
38
|
27
|
24
|
25
|
27
|
26
|
24
|
28
|
27
|
30
|
22
|
33
|
33
|
32
|
32
|
29
|
31
|
34
|
27
|
34
|
32
|
33
|
34
|
35
|
|
2023/11
|
25
|
28
|
27
|
24
|
26
|
29
|
29
|
29
|
27
|
29
|
30
|
32
|
29
|
25
|
24
|
30
|
45
|
45
|
33
|
44
|
33
|
36
|
33
|
32
|
29
|
31
|
35
|
41
|
40
|
43
|
|
|
2023/10
|
17
|
16
|
17
|
18
|
21
|
20
|
18
|
22
|
20
|
28
|
27
|
23
|
17
|
21
|
24
|
27
|
24
|
27
|
27
|
33
|
37
|
33
|
28
|
29
|
19
|
16
|
24
|
24
|
27
|
30
|
26
|
|
2023/09
|
35
|
31
|
35
|
38
|
40
|
38
|
34
|
35
|
35
|
30
|
31
|
27
|
22
|
33
|
40
|
41
|
31
|
19
|
19
|
18
|
21
|
19
|
21
|
22
|
20
|
24
|
26
|
19
|
17
|
17
|
|
|
2023/08
|
19
|
21
|
29
|
24
|
20
|
20
|
21
|
27
|
29
|
25
|
28
|
27
|
28
|
35
|
29
|
30
|
29
|
25
|
28
|
24
|
26
|
25
|
26
|
16
|
20
|
17
|
17
|
33
|
36
|
38
|
29
|
|
2023/07
|
20
|
20
|
21
|
18
|
22
|
14
|
15
|
16
|
18
|
13
|
13
|
12
|
12
|
18
|
28
|
32
|
37
|
40
|
37
|
22
|
23
|
19
|
21
|
20
|
23
|
22
|
22
|
25
|
28
|
33
|
33
|
|
2023/06
|
36
|
34
|
34
|
35
|
39
|
30
|
26
|
23
|
25
|
30
|
32
|
29
|
27
|
23
|
25
|
37
|
28
|
27
|
28
|
29
|
23
|
22
|
21
|
25
|
35
|
36
|
34
|
24
|
19
|
20
|
|
|
2023/05
|
39
|
37
|
30
|
32
|
31
|
34
|
35
|
38
|
45
|
61
|
61
|
52
|
35
|
31
|
28
|
26
|
41
|
37
|
38
|
40
|
38
|
38
|
43
|
41
|
35
|
33
|
33
|
34
|
33
|
36
|
36
|
|
2023/04
|
39
|
36
|
32
|
35
|
35
|
38
|
42
|
39
|
53
|
55
|
61
|
67
|
70
|
86
|
84
|
86
|
73
|
63
|
63
|
60
|
52
|
54
|
40
|
36
|
37
|
40
|
39
|
43
|
48
|
43
|
|
|
2023/03
|
49
|
48
|
44
|
60
|
60
|
60
|
58
|
50
|
57
|
54
|
49
|
54
|
40
|
58
|
72
|
41
|
42
|
55
|
50
|
29
|
27
|
29
|
30
|
32
|
35
|
36
|
51
|
46
|
33
|
39
|
46
|
|
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