Air Quality
Excellent
No health implications.
11
PM2.5
17
PM10
37
O3
0.9
CO
10
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
52
Good
Mon
28 Jul
58
Good
Tue
29 Jul
66
Good
Wed
30 Jul
66
Good
Thu
31 Jul
67
Good
Fri
1 Aug
22
Excellent
Sat
2 Aug
37
Excellent
Yanyuan Air quality rank
Air quality in the last 12 months (Yanyuan)
|
2025/06
|
23
|
21
|
15
|
30
|
33
|
38
|
32
|
26
|
27
|
35
|
38
|
38
|
42
|
42
|
24
|
28
|
20
|
21
|
21
|
18
|
15
|
21
|
30
|
21
|
18
|
29
|
21
|
32
|
25
|
20
|
|
|
2025/05
|
34
|
29
|
28
|
22
|
25
|
23
|
22
|
27
|
30
|
32
|
31
|
36
|
31
|
26
|
27
|
28
|
21
|
31
|
31
|
25
|
27
|
33
|
31
|
27
|
34
|
32
|
21
|
16
|
21
|
23
|
18
|
|
2025/04
|
43
|
52
|
55
|
53
|
30
|
41
|
42
|
50
|
50
|
48
|
36
|
27
|
24
|
33
|
36
|
33
|
30
|
27
|
32
|
23
|
25
|
28
|
23
|
27
|
26
|
48
|
44
|
35
|
40
|
26
|
|
|
2025/03
|
40
|
39
|
28
|
40
|
35
|
27
|
37
|
54
|
52
|
49
|
45
|
49
|
61
|
50
|
34
|
26
|
23
|
17
|
30
|
45
|
58
|
62
|
41
|
30
|
31
|
30
|
33
|
56
|
62
|
60
|
54
|
|
2025/02
|
40
|
35
|
23
|
38
|
49
|
36
|
29
|
30
|
32
|
34
|
28
|
30
|
37
|
38
|
26
|
38
|
30
|
36
|
35
|
29
|
33
|
34
|
32
|
37
|
33
|
30
|
31
|
33
|
|||
|
2025/01
|
54
|
49
|
53
|
54
|
50
|
56
|
45
|
31
|
35
|
38
|
28
|
43
|
46
|
42
|
44
|
60
|
51
|
55
|
53
|
58
|
56
|
51
|
53
|
48
|
32
|
26
|
38
|
45
|
34
|
42
|
34
|
|
2024/12
|
43
|
42
|
41
|
46
|
42
|
41
|
39
|
40
|
37
|
39
|
44
|
51
|
41
|
36
|
40
|
53
|
53
|
49
|
43
|
45
|
47
|
39
|
43
|
50
|
49
|
53
|
53
|
57
|
56
|
51
|
51
|
|
2024/11
|
37
|
27
|
36
|
31
|
25
|
39
|
25
|
17
|
24
|
32
|
32
|
33
|
31
|
35
|
42
|
45
|
40
|
35
|
38
|
36
|
40
|
29
|
25
|
31
|
33
|
32
|
33
|
33
|
33
|
37
|
|
|
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
|
|
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