Air Quality
Excellent
No health implications.
4
PM2.5
14
PM10
29
O3
0.2
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jun
36
Excellent
Wed
24 Jun
36
Excellent
Thu
25 Jun
37
Excellent
Fri
26 Jun
40
Excellent
Sat
27 Jun
37
Excellent
Sun
28 Jun
19
Excellent
Mon
29 Jun
40
Excellent
Air quality in the last 12 months (Yanshan)
|
2026/05
|
29
|
26
|
23
|
30
|
31
|
37
|
34
|
41
|
41
|
17
|
18
|
21
|
24
|
27
|
31
|
39
|
31
|
25
|
25
|
25
|
23
|
22
|
25
|
22
|
25
|
35
|
37
|
36
|
26
|
23
|
30
|
|
2026/04
|
42
|
49
|
53
|
51
|
62
|
59
|
58
|
57
|
41
|
41
|
41
|
48
|
56
|
77
|
105
|
96
|
79
|
63
|
50
|
55
|
59
|
64
|
45
|
42
|
28
|
35
|
40
|
40
|
27
|
25
|
|
|
2026/03
|
49
|
59
|
58
|
44
|
47
|
30
|
37
|
23
|
16
|
24
|
39
|
47
|
46
|
55
|
30
|
32
|
46
|
38
|
48
|
55
|
56
|
29
|
28
|
47
|
59
|
68
|
85
|
107
|
69
|
48
|
51
|
|
2026/02
|
23
|
19
|
24
|
37
|
39
|
44
|
47
|
24
|
14
|
24
|
22
|
25
|
26
|
31
|
34
|
44
|
54
|
36
|
17
|
18
|
26
|
34
|
32
|
41
|
33
|
26
|
30
|
38
|
|||
|
2026/01
|
54
|
20
|
15
|
18
|
18
|
18
|
38
|
60
|
41
|
43
|
66
|
70
|
86
|
72
|
80
|
50
|
48
|
46
|
51
|
46
|
43
|
26
|
23
|
21
|
29
|
31
|
30
|
35
|
40
|
40
|
42
|
|
2025/12
|
51
|
60
|
67
|
56
|
46
|
38
|
40
|
47
|
43
|
44
|
46
|
46
|
44
|
34
|
31
|
38
|
41
|
25
|
26
|
44
|
49
|
39
|
39
|
37
|
33
|
36
|
35
|
37
|
34
|
40
|
38
|
|
2025/11
|
17
|
12
|
11
|
15
|
14
|
16
|
17
|
13
|
11
|
10
|
18
|
28
|
31
|
29
|
30
|
36
|
32
|
15
|
18
|
35
|
43
|
44
|
36
|
41
|
47
|
52
|
48
|
48
|
48
|
48
|
|
|
2025/10
|
11
|
14
|
18
|
18
|
22
|
18
|
10
|
13
|
15
|
21
|
28
|
32
|
33
|
25
|
14
|
12
|
18
|
23
|
28
|
27
|
17
|
17
|
23
|
26
|
14
|
16
|
19
|
20
|
25
|
24
|
29
|
|
2025/09
|
17
|
17
|
18
|
22
|
25
|
24
|
28
|
28
|
19
|
15
|
14
|
13
|
13
|
19
|
21
|
18
|
19
|
14
|
16
|
20
|
25
|
29
|
18
|
15
|
17
|
10
|
12
|
21
|
12
|
10
|
|
|
2025/08
|
21
|
31
|
23
|
22
|
28
|
34
|
16
|
16
|
17
|
21
|
19
|
23
|
27
|
42
|
27
|
13
|
13
|
26
|
19
|
16
|
15
|
15
|
15
|
18
|
21
|
13
|
15
|
13
|
16
|
18
|
19
|
|
2025/07
|
13
|
12
|
12
|
12
|
16
|
22
|
22
|
22
|
24
|
19
|
21
|
25
|
23
|
25
|
18
|
19
|
17
|
28
|
21
|
25
|
21
|
15
|
11
|
10
|
11
|
13
|
18
|
28
|
33
|
28
|
20
|
|
2025/06
|
19
|
23
|
20
|
21
|
19
|
29
|
29
|
24
|
24
|
29
|
39
|
25
|
29
|
30
|
21
|
17
|
17
|
15
|
16
|
15
|
17
|
13
|
13
|
13
|
13
|
14
|
13
|
20
|
12
|
13
|
|
|
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