Air Quality
Excellent
No health implications.
22
PM2.5
39
PM10
81
O3
0.5
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Mar
64
Good
Thu
13 Mar
55
Good
Fri
14 Mar
54
Good
Sat
15 Mar
56
Good
Sun
16 Mar
60
Good
Mon
17 Mar
58
Good
Tue
18 Mar
84
Good
Air quality in the last 12 months (Bei'an)
|
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
|
|
2024/11
|
62
|
62
|
56
|
30
|
46
|
59
|
97
|
120
|
195
|
121
|
215
|
88
|
144
|
256
|
205
|
63
|
23
|
30
|
76
|
101
|
118
|
26
|
47
|
96
|
109
|
62
|
29
|
44
|
28
|
38
|
|
|
2024/10
|
18
|
23
|
20
|
28
|
36
|
24
|
53
|
52
|
41
|
35
|
22
|
23
|
36
|
48
|
12
|
19
|
32
|
29
|
20
|
42
|
39
|
44
|
35
|
67
|
61
|
80
|
71
|
57
|
80
|
96
|
86
|
|
2024/09
|
13
|
16
|
16
|
24
|
12
|
15
|
18
|
16
|
27
|
23
|
14
|
22
|
12
|
17
|
20
|
21
|
20
|
18
|
15
|
15
|
16
|
20
|
23
|
23
|
18
|
21
|
26
|
20
|
32
|
18
|
|
|
2024/08
|
16
|
15
|
15
|
14
|
15
|
18
|
20
|
13
|
22
|
23
|
14
|
10
|
15
|
17
|
19
|
24
|
26
|
20
|
19
|
23
|
20
|
16
|
22
|
22
|
22
|
13
|
15
|
18
|
20
|
14
|
12
|
|
2024/07
|
42
|
47
|
56
|
53
|
49
|
63
|
91
|
88
|
73
|
82
|
84
|
82
|
92
|
74
|
56
|
44
|
21
|
20
|
20
|
20
|
10
|
13
|
12
|
10
|
14
|
14
|
10
|
12
|
12
|
14
|
16
|
|
2024/06
|
25
|
26
|
26
|
17
|
22
|
29
|
29
|
16
|
16
|
19
|
19
|
16
|
21
|
17
|
15
|
16
|
15
|
18
|
23
|
20
|
12
|
15
|
14
|
19
|
28
|
30
|
29
|
41
|
35
|
46
|
|
|
2024/05
|
42
|
42
|
44
|
64
|
52
|
35
|
31
|
52
|
20
|
25
|
22
|
34
|
24
|
17
|
13
|
18
|
33
|
22
|
24
|
26
|
36
|
34
|
13
|
18
|
22
|
23
|
27
|
36
|
15
|
17
|
27
|
|
2024/04
|
22
|
49
|
40
|
23
|
45
|
38
|
25
|
30
|
48
|
103
|
114
|
94
|
62
|
66
|
84
|
32
|
27
|
28
|
19
|
69
|
176
|
160
|
25
|
37
|
35
|
14
|
19
|
15
|
29
|
42
|
|
|
2024/03
|
33
|
29
|
39
|
35
|
35
|
37
|
43
|
24
|
33
|
54
|
44
|
48
|
48
|
46
|
26
|
29
|
22
|
25
|
30
|
29
|
30
|
32
|
51
|
19
|
29
|
53
|
58
|
183
|
28
|
24
|
19
|
|
2024/02
|
35
|
56
|
61
|
61
|
81
|
58
|
84
|
75
|
169
|
188
|
132
|
64
|
66
|
36
|
36
|
44
|
68
|
45
|
36
|
33
|
33
|
35
|
36
|
104
|
92
|
34
|
43
|
36
|
39
|
||
|
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