Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
37
O3
0.6
CO
8
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Nov
36
Excellent
Sat
9 Nov
36
Excellent
Sun
10 Nov
42
Excellent
Mon
11 Nov
43
Excellent
Tue
12 Nov
40
Excellent
Wed
13 Nov
39
Excellent
Air quality in the last 12 months (Yanyuan)
|
2024/10
|
13
|
22
|
26
|
33
|
24
|
18
|
15
|
20
|
25
|
23
|
27
|
30
|
28
|
24
|
24
|
23
|
27
|
35
|
39
|
34
|
26
|
27
|
31
|
28
|
37
|
28
|
17
|
39
|
45
|
36
|
35
|
|
2024/09
|
24
|
21
|
24
|
24
|
17
|
20
|
26
|
27
|
27
|
17
|
20
|
21
|
29
|
32
|
35
|
19
|
19
|
27
|
36
|
36
|
38
|
31
|
30
|
32
|
28
|
29
|
39
|
26
|
29
|
24
|
|
|
2024/08
|
30
|
42
|
38
|
28
|
28
|
29
|
25
|
26
|
26
|
17
|
32
|
33
|
33
|
41
|
42
|
33
|
31
|
25
|
31
|
28
|
34
|
42
|
41
|
37
|
37
|
34
|
31
|
41
|
40
|
44
|
27
|
|
2024/07
|
27
|
27
|
26
|
20
|
21
|
24
|
22
|
22
|
22
|
28
|
19
|
22
|
27
|
25
|
24
|
26
|
25
|
26
|
24
|
21
|
27
|
31
|
34
|
29
|
22
|
32
|
36
|
33
|
20
|
12
|
27
|
|
2024/06
|
33
|
36
|
27
|
25
|
23
|
31
|
25
|
22
|
19
|
23
|
25
|
20
|
26
|
23
|
23
|
34
|
20
|
22
|
23
|
22
|
33
|
29
|
25
|
17
|
24
|
37
|
31
|
24
|
28
|
31
|
|
|
2024/05
|
37
|
40
|
38
|
34
|
46
|
46
|
44
|
38
|
37
|
36
|
29
|
19
|
26
|
32
|
22
|
32
|
35
|
34
|
29
|
25
|
30
|
33
|
28
|
36
|
33
|
23
|
22
|
31
|
26
|
23
|
24
|
|
2024/04
|
19
|
34
|
41
|
38
|
36
|
42
|
36
|
36
|
39
|
38
|
33
|
42
|
38
|
47
|
48
|
54
|
51
|
38
|
40
|
33
|
22
|
34
|
41
|
33
|
31
|
39
|
34
|
46
|
32
|
40
|
|
|
2024/03
|
30
|
37
|
35
|
35
|
25
|
27
|
31
|
28
|
29
|
37
|
41
|
54
|
50
|
41
|
40
|
38
|
42
|
39
|
50
|
59
|
51
|
31
|
20
|
26
|
33
|
43
|
28
|
29
|
36
|
35
|
33
|
|
2024/02
|
35
|
50
|
32
|
28
|
35
|
36
|
27
|
28
|
31
|
40
|
35
|
37
|
29
|
29
|
32
|
31
|
31
|
30
|
30
|
28
|
32
|
37
|
44
|
30
|
28
|
33
|
36
|
30
|
31
|
||
|
2024/01
|
44
|
41
|
37
|
44
|
48
|
53
|
51
|
50
|
51
|
50
|
52
|
70
|
108
|
137
|
91
|
45
|
43
|
48
|
62
|
68
|
57
|
34
|
48
|
47
|
46
|
34
|
46
|
37
|
41
|
44
|
37
|
|
2023/12
|
44
|
42
|
42
|
40
|
43
|
34
|
47
|
57
|
47
|
33
|
35
|
39
|
40
|
30
|
39
|
42
|
36
|
35
|
41
|
50
|
59
|
48
|
42
|
51
|
41
|
38
|
53
|
43
|
41
|
46
|
48
|
|
2023/11
|
42
|
42
|
42
|
40
|
30
|
34
|
41
|
43
|
40
|
40
|
43
|
48
|
40
|
41
|
36
|
35
|
52
|
64
|
60
|
47
|
47
|
44
|
42
|
40
|
37
|
43
|
50
|
53
|
47
|
52
|
|
|
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