Air Quality
Excellent
No health implications.
21
PM2.5
36
PM10
86
O3
0.7
CO
6
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Sep
58
Good
Sat
5 Sep
61
Good
Sun
6 Sep
59
Good
Mon
7 Sep
57
Good
Tue
8 Sep
60
Good
Wed
9 Sep
60
Good
Thu
10 Sep
26
Excellent
Air quality in the last 12 months (Yanyuan)
|
2026/08
|
22
|
19
|
20
|
28
|
32
|
30
|
25
|
25
|
34
|
31
|
31
|
25
|
29
|
35
|
39
|
33
|
29
|
26
|
21
|
24
|
27
|
33
|
24
|
26
|
35
|
32
|
29
|
24
|
25
|
24
|
26
|
|
2026/07
|
30
|
25
|
23
|
24
|
26
|
35
|
23
|
27
|
33
|
30
|
23
|
28
|
25
|
28
|
32
|
28
|
23
|
24
|
27
|
33
|
39
|
32
|
35
|
30
|
36
|
37
|
28
|
23
|
25
|
20
|
23
|
|
2026/06
|
22
|
24
|
23
|
26
|
27
|
32
|
32
|
25
|
25
|
25
|
25
|
37
|
30
|
24
|
29
|
24
|
26
|
26
|
29
|
25
|
22
|
23
|
19
|
20
|
24
|
18
|
22
|
23
|
22
|
26
|
|
|
2026/05
|
30
|
26
|
22
|
24
|
29
|
34
|
30
|
30
|
28
|
27
|
27
|
28
|
31
|
31
|
26
|
28
|
31
|
28
|
30
|
32
|
39
|
35
|
29
|
29
|
31
|
32
|
31
|
34
|
37
|
22
|
24
|
|
2026/04
|
28
|
31
|
27
|
30
|
36
|
35
|
30
|
30
|
32
|
34
|
34
|
35
|
38
|
44
|
46
|
40
|
37
|
45
|
41
|
37
|
38
|
33
|
28
|
37
|
38
|
40
|
34
|
27
|
24
|
30
|
|
|
2026/03
|
40
|
35
|
34
|
29
|
42
|
58
|
64
|
52
|
29
|
28
|
37
|
51
|
34
|
28
|
21
|
31
|
33
|
30
|
33
|
34
|
39
|
41
|
31
|
31
|
33
|
32
|
31
|
36
|
32
|
29
|
27
|
|
2026/02
|
45
|
38
|
38
|
36
|
32
|
38
|
42
|
32
|
35
|
36
|
36
|
37
|
38
|
31
|
33
|
40
|
74
|
47
|
38
|
39
|
39
|
44
|
37
|
42
|
42
|
44
|
43
|
36
|
|||
|
2026/01
|
53
|
39
|
32
|
38
|
41
|
38
|
36
|
40
|
64
|
57
|
43
|
44
|
54
|
52
|
50
|
49
|
59
|
71
|
64
|
65
|
67
|
57
|
63
|
59
|
56
|
58
|
69
|
69
|
47
|
39
|
41
|
|
2025/12
|
61
|
52
|
43
|
45
|
38
|
46
|
41
|
49
|
46
|
46
|
54
|
47
|
51
|
52
|
51
|
57
|
51
|
57
|
66
|
58
|
50
|
46
|
56
|
43
|
33
|
61
|
70
|
66
|
77
|
60
|
59
|
|
2025/11
|
18
|
17
|
17
|
36
|
42
|
32
|
28
|
31
|
30
|
23
|
25
|
27
|
29
|
39
|
34
|
37
|
36
|
37
|
23
|
39
|
30
|
40
|
37
|
39
|
37
|
44
|
44
|
47
|
56
|
61
|
|
|
2025/10
|
22
|
20
|
26
|
24
|
23
|
25
|
23
|
17
|
19
|
23
|
24
|
26
|
25
|
28
|
29
|
33
|
28
|
27
|
24
|
30
|
20
|
24
|
29
|
33
|
32
|
26
|
26
|
34
|
34
|
30
|
32
|
|
2025/09
|
28
|
27
|
24
|
25
|
25
|
23
|
24
|
25
|
25
|
32
|
27
|
26
|
26
|
34
|
35
|
26
|
24
|
22
|
21
|
23
|
25
|
25
|
21
|
23
|
37
|
32
|
31
|
28
|
22
|
26
|
|
|
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