Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
33
O3
0.4
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Sep
37
Excellent
Sat
26 Sep
37
Excellent
Sun
27 Sep
44
Excellent
Mon
28 Sep
54
Good
Tue
29 Sep
53
Good
Wed
30 Sep
62
Good
Thu
1 Oct
20
Excellent
Air quality in the last 12 months (Baiyang)
|
2026/08
|
26
|
27
|
31
|
34
|
26
|
27
|
25
|
27
|
28
|
29
|
32
|
34
|
28
|
30
|
31
|
36
|
34
|
30
|
26
|
32
|
33
|
26
|
29
|
36
|
27
|
22
|
26
|
30
|
34
|
33
|
39
|
|
2026/07
|
30
|
30
|
44
|
27
|
26
|
27
|
29
|
27
|
25
|
26
|
34
|
30
|
28
|
28
|
30
|
34
|
36
|
34
|
29
|
30
|
32
|
38
|
26
|
30
|
30
|
28
|
25
|
22
|
23
|
22
|
24
|
|
2026/06
|
27
|
33
|
30
|
37
|
33
|
27
|
24
|
29
|
31
|
29
|
35
|
29
|
26
|
25
|
28
|
29
|
27
|
27
|
34
|
34
|
34
|
29
|
56
|
52
|
25
|
25
|
28
|
30
|
30
|
27
|
|
|
2026/05
|
64
|
34
|
34
|
36
|
33
|
29
|
32
|
31
|
34
|
33
|
27
|
25
|
24
|
22
|
25
|
26
|
25
|
29
|
38
|
33
|
32
|
44
|
27
|
22
|
27
|
27
|
43
|
38
|
27
|
30
|
33
|
|
2026/04
|
36
|
36
|
42
|
43
|
44
|
48
|
37
|
53
|
48
|
31
|
20
|
21
|
29
|
36
|
32
|
32
|
21
|
21
|
57
|
28
|
31
|
33
|
43
|
23
|
20
|
27
|
28
|
28
|
25
|
32
|
|
|
2026/03
|
63
|
34
|
39
|
29
|
31
|
28
|
30
|
28
|
30
|
32
|
27
|
27
|
32
|
30
|
30
|
29
|
34
|
28
|
32
|
32
|
28
|
27
|
27
|
28
|
25
|
27
|
27
|
24
|
28
|
29
|
33
|
|
2026/02
|
25
|
24
|
30
|
35
|
20
|
151
|
65
|
37
|
153
|
79
|
114
|
17
|
15
|
15
|
16
|
67
|
81
|
41
|
30
|
22
|
29
|
15
|
15
|
27
|
19
|
16
|
30
|
64
|
|||
|
2026/01
|
69
|
52
|
42
|
36
|
51
|
24
|
40
|
63
|
31
|
42
|
37
|
30
|
26
|
33
|
41
|
50
|
52
|
31
|
28
|
47
|
41
|
55
|
82
|
50
|
30
|
33
|
25
|
36
|
42
|
22
|
29
|
|
2025/12
|
23
|
28
|
32
|
33
|
36
|
34
|
29
|
30
|
28
|
21
|
20
|
35
|
105
|
58
|
38
|
28
|
31
|
29
|
23
|
29
|
23
|
19
|
20
|
23
|
23
|
36
|
26
|
20
|
26
|
39
|
107
|
|
2025/11
|
37
|
24
|
39
|
37
|
15
|
13
|
19
|
21
|
30
|
26
|
17
|
31
|
21
|
18
|
25
|
80
|
196
|
81
|
50
|
57
|
48
|
28
|
33
|
36
|
25
|
25
|
28
|
30
|
20
|
27
|
|
|
2025/10
|
16
|
20
|
20
|
22
|
20
|
23
|
26
|
29
|
26
|
31
|
35
|
33
|
41
|
26
|
30
|
35
|
40
|
39
|
50
|
47
|
44
|
48
|
46
|
56
|
61
|
57
|
52
|
37
|
41
|
45
|
37
|
|
2025/09
|
16
|
17
|
19
|
18
|
21
|
25
|
20
|
25
|
20
|
18
|
16
|
17
|
19
|
15
|
20
|
41
|
24
|
31
|
22
|
20
|
15
|
29
|
26
|
17
|
14
|
19
|
25
|
41
|
36
|
29
|
|
|
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