Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
25
O3
0.4
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
53
Good
Thu
13 Aug
49
Excellent
Fri
14 Aug
48
Excellent
Sat
15 Aug
52
Good
Sun
16 Aug
56
Good
Mon
17 Aug
23
Excellent
Tue
18 Aug
45
Excellent
Air quality in the last 12 months (Bei'an)
|
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
|
|
|
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
|
|
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