Air Quality
Excellent
No health implications.
21
PM2.5
36
PM10
77
O3
0.4
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Mar
72
Good
Fri
13 Mar
68
Good
Sat
14 Mar
57
Good
Sun
15 Mar
53
Good
Mon
16 Mar
67
Good
Tue
17 Mar
53
Good
Wed
18 Mar
37
Excellent
Air quality in the last 12 months (Bei'an)
|
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
|
|
|
2025/08
|
18
|
19
|
12
|
15
|
18
|
14
|
13
|
16
|
13
|
10
|
13
|
15
|
15
|
13
|
16
|
10
|
14
|
17
|
18
|
14
|
20
|
12
|
18
|
15
|
22
|
16
|
19
|
21
|
20
|
16
|
26
|
|
2025/07
|
23
|
17
|
17
|
19
|
14
|
16
|
15
|
18
|
18
|
27
|
34
|
20
|
17
|
20
|
24
|
21
|
20
|
19
|
20
|
16
|
14
|
19
|
27
|
26
|
17
|
22
|
17
|
18
|
14
|
12
|
15
|
|
2025/06
|
14
|
20
|
19
|
15
|
16
|
11
|
14
|
20
|
15
|
17
|
14
|
26
|
27
|
17
|
20
|
20
|
17
|
22
|
18
|
16
|
13
|
16
|
26
|
32
|
35
|
36
|
40
|
30
|
21
|
32
|
|
|
2025/05
|
40
|
27
|
22
|
17
|
15
|
20
|
24
|
36
|
24
|
30
|
53
|
85
|
63
|
37
|
59
|
28
|
17
|
19
|
18
|
20
|
18
|
15
|
23
|
24
|
26
|
34
|
36
|
48
|
51
|
47
|
38
|
|
2025/04
|
56
|
46
|
44
|
56
|
49
|
44
|
55
|
38
|
52
|
85
|
58
|
61
|
24
|
20
|
15
|
18
|
47
|
42
|
21
|
61
|
90
|
19
|
31
|
20
|
13
|
16
|
49
|
46
|
60
|
39
|
|
|
2025/03
|
22
|
28
|
38
|
46
|
55
|
50
|
40
|
33
|
58
|
94
|
38
|
42
|
19
|
19
|
19
|
21
|
18
|
17
|
34
|
46
|
14
|
14
|
34
|
25
|
17
|
23
|
15
|
15
|
12
|
17
|
33
|
|
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