Air Quality
Excellent
No health implications.
30
PM2.5
45
PM10
35
O3
0.6
CO
8
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jan
70
Good
Sat
10 Jan
61
Good
Sun
11 Jan
58
Good
Mon
12 Jan
67
Good
Tue
13 Jan
56
Good
Wed
14 Jan
32
Excellent
Thu
15 Jan
41
Excellent
Bei'an Air quality rank
Air quality in the last 12 months (Bei'an)
|
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
|
|
2025/02
|
76
|
129
|
92
|
34
|
40
|
46
|
26
|
19
|
31
|
50
|
70
|
74
|
58
|
36
|
39
|
31
|
24
|
23
|
25
|
28
|
29
|
28
|
35
|
32
|
43
|
28
|
47
|
37
|
|||
|
2025/01
|
124
|
112
|
93
|
134
|
86
|
61
|
71
|
32
|
42
|
82
|
105
|
163
|
144
|
128
|
51
|
44
|
66
|
98
|
128
|
104
|
89
|
74
|
146
|
202
|
193
|
120
|
50
|
54
|
52
|
37
|
54
|
|
2024/12
|
50
|
28
|
29
|
26
|
33
|
23
|
33
|
40
|
91
|
97
|
33
|
54
|
80
|
59
|
42
|
35
|
40
|
47
|
69
|
123
|
53
|
42
|
39
|
50
|
50
|
31
|
40
|
51
|
58
|
76
|
94
|
|
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