Air Quality
Excellent
No health implications.
3
PM2.5
24
PM10
36
O3
0.6
CO
2
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
46
Excellent
Sun
26 Apr
46
Excellent
Mon
27 Apr
42
Excellent
Tue
28 Apr
51
Good
Wed
29 Apr
47
Excellent
Thu
30 Apr
18
Excellent
Fri
1 May
46
Excellent
Air quality in the last 12 months (Baiyang)
|
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
|
|
|
2025/08
|
24
|
34
|
22
|
16
|
25
|
22
|
22
|
19
|
31
|
24
|
35
|
48
|
82
|
62
|
33
|
39
|
34
|
23
|
16
|
18
|
20
|
22
|
26
|
20
|
21
|
19
|
22
|
27
|
21
|
36
|
34
|
|
2025/07
|
21
|
19
|
21
|
25
|
29
|
34
|
21
|
21
|
18
|
23
|
20
|
19
|
18
|
23
|
24
|
25
|
29
|
20
|
26
|
22
|
19
|
19
|
19
|
24
|
24
|
29
|
30
|
36
|
33
|
26
|
36
|
|
2025/06
|
23
|
21
|
21
|
25
|
24
|
27
|
28
|
42
|
42
|
35
|
21
|
35
|
24
|
28
|
28
|
23
|
23
|
22
|
25
|
30
|
25
|
23
|
25
|
26
|
22
|
20
|
20
|
20
|
22
|
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