Air Quality
Excellent
No health implications.
17
PM2.5
37
PM10
48
O3
0.7
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
95
Good
Sat
24 Oct
57
Good
Sun
25 Oct
57
Good
Mon
26 Oct
65
Good
Tue
27 Oct
61
Good
Wed
28 Oct
62
Good
Thu
29 Oct
35
Excellent
Air quality in the last 12 months (Bei'an)
|
2026/08
|
17
|
19
|
21
|
19
|
23
|
22
|
23
|
19
|
22
|
24
|
27
|
22
|
16
|
19
|
21
|
21
|
22
|
20
|
21
|
25
|
24
|
18
|
21
|
19
|
20
|
20
|
18
|
22
|
17
|
17
|
13
|
|
2026/07
|
35
|
29
|
26
|
27
|
25
|
21
|
20
|
14
|
16
|
24
|
29
|
21
|
21
|
21
|
19
|
16
|
18
|
21
|
25
|
28
|
24
|
27
|
29
|
28
|
21
|
20
|
19
|
24
|
14
|
17
|
16
|
|
2026/06
|
30
|
20
|
21
|
17
|
14
|
15
|
16
|
16
|
19
|
22
|
27
|
25
|
20
|
23
|
19
|
27
|
30
|
30
|
34
|
31
|
23
|
25
|
27
|
32
|
29
|
25
|
26
|
23
|
28
|
38
|
|
|
2026/05
|
27
|
28
|
30
|
31
|
43
|
26
|
31
|
32
|
33
|
53
|
44
|
51
|
56
|
56
|
27
|
23
|
19
|
27
|
34
|
32
|
33
|
32
|
29
|
35
|
26
|
23
|
20
|
22
|
21
|
23
|
42
|
|
2026/04
|
49
|
79
|
48
|
42
|
48
|
36
|
23
|
53
|
26
|
29
|
29
|
26
|
24
|
32
|
54
|
44
|
45
|
25
|
24
|
42
|
23
|
22
|
21
|
25
|
25
|
21
|
24
|
26
|
32
|
62
|
|
|
2026/03
|
32
|
29
|
42
|
44
|
36
|
30
|
33
|
51
|
35
|
36
|
27
|
32
|
46
|
35
|
29
|
26
|
59
|
44
|
43
|
42
|
131
|
71
|
50
|
121
|
129
|
63
|
46
|
66
|
109
|
44
|
77
|
|
2026/02
|
44
|
45
|
49
|
51
|
34
|
22
|
30
|
36
|
66
|
85
|
48
|
48
|
71
|
53
|
19
|
52
|
56
|
24
|
51
|
77
|
93
|
44
|
20
|
19
|
48
|
24
|
23
|
24
|
|||
|
2026/01
|
30
|
45
|
61
|
29
|
29
|
61
|
29
|
37
|
56
|
44
|
53
|
73
|
50
|
43
|
55
|
50
|
41
|
62
|
49
|
39
|
36
|
31
|
39
|
33
|
24
|
49
|
52
|
34
|
29
|
27
|
42
|
|
2025/12
|
33
|
28
|
39
|
37
|
45
|
55
|
73
|
44
|
41
|
30
|
25
|
32
|
57
|
67
|
48
|
30
|
50
|
72
|
61
|
36
|
44
|
54
|
54
|
52
|
36
|
35
|
62
|
77
|
41
|
37
|
30
|
|
2025/11
|
120
|
22
|
51
|
56
|
105
|
68
|
18
|
74
|
66
|
20
|
27
|
55
|
27
|
32
|
61
|
47
|
21
|
37
|
109
|
62
|
53
|
162
|
179
|
30
|
30
|
124
|
66
|
60
|
55
|
27
|
|
|
2025/10
|
30
|
32
|
45
|
25
|
18
|
22
|
32
|
21
|
31
|
33
|
39
|
19
|
30
|
24
|
36
|
34
|
66
|
18
|
18
|
19
|
27
|
27
|
30
|
40
|
99
|
53
|
36
|
33
|
101
|
66
|
56
|
|
2025/09
|
17
|
17
|
25
|
37
|
32
|
15
|
16
|
15
|
13
|
18
|
16
|
25
|
24
|
21
|
17
|
16
|
16
|
19
|
25
|
22
|
18
|
24
|
34
|
21
|
13
|
18
|
22
|
24
|
25
|
42
|
|
|
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