Air Quality
Excellent
No health implications.
4
PM2.5
21
PM10
114
O3
0.3
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Aug
74
Good
Thu
14 Aug
84
Good
Fri
15 Aug
85
Good
Sat
16 Aug
84
Good
Sun
17 Aug
61
Good
Mon
18 Aug
61
Good
Tue
19 Aug
42
Excellent
Air quality in the last 12 months (Beizhen)
|
2025/06
|
22
|
51
|
40
|
17
|
41
|
37
|
16
|
40
|
33
|
19
|
42
|
48
|
32
|
34
|
32
|
20
|
26
|
42
|
33
|
25
|
22
|
30
|
53
|
47
|
44
|
40
|
39
|
28
|
47
|
26
|
|
|
2025/05
|
39
|
35
|
41
|
27
|
27
|
38
|
46
|
65
|
33
|
38
|
66
|
74
|
62
|
61
|
65
|
50
|
30
|
30
|
57
|
64
|
63
|
76
|
31
|
50
|
33
|
50
|
60
|
54
|
46
|
60
|
51
|
|
2025/04
|
85
|
38
|
60
|
58
|
43
|
57
|
89
|
40
|
49
|
60
|
66
|
36
|
16
|
20
|
43
|
69
|
76
|
20
|
30
|
49
|
39
|
23
|
50
|
59
|
43
|
69
|
35
|
42
|
71
|
57
|
|
|
2025/03
|
127
|
43
|
36
|
61
|
90
|
50
|
77
|
80
|
155
|
113
|
97
|
93
|
53
|
46
|
42
|
39
|
57
|
31
|
58
|
84
|
59
|
71
|
162
|
63
|
108
|
123
|
52
|
30
|
25
|
30
|
64
|
|
2025/02
|
81
|
91
|
39
|
28
|
41
|
63
|
63
|
41
|
41
|
73
|
90
|
42
|
71
|
91
|
115
|
50
|
28
|
29
|
38
|
38
|
38
|
36
|
38
|
68
|
71
|
75
|
134
|
195
|
|||
|
2025/01
|
44
|
35
|
57
|
95
|
96
|
64
|
36
|
35
|
34
|
48
|
86
|
105
|
90
|
45
|
37
|
64
|
75
|
104
|
55
|
82
|
51
|
59
|
124
|
117
|
85
|
109
|
67
|
53
|
98
|
49
|
68
|
|
2024/12
|
69
|
22
|
41
|
39
|
54
|
24
|
33
|
45
|
83
|
46
|
41
|
68
|
44
|
42
|
33
|
49
|
29
|
43
|
65
|
67
|
35
|
47
|
36
|
69
|
94
|
38
|
37
|
42
|
79
|
80
|
45
|
|
2024/11
|
62
|
58
|
64
|
24
|
37
|
47
|
87
|
102
|
66
|
48
|
46
|
61
|
69
|
31
|
56
|
26
|
19
|
19
|
61
|
84
|
55
|
37
|
77
|
127
|
63
|
25
|
41
|
48
|
57
|
68
|
|
|
2024/10
|
22
|
25
|
30
|
50
|
63
|
39
|
36
|
50
|
52
|
28
|
41
|
43
|
61
|
42
|
23
|
45
|
54
|
44
|
27
|
39
|
37
|
24
|
30
|
52
|
100
|
62
|
27
|
64
|
80
|
39
|
73
|
|
2024/09
|
20
|
18
|
34
|
29
|
16
|
28
|
31
|
41
|
38
|
20
|
37
|
32
|
37
|
13
|
25
|
42
|
33
|
28
|
46
|
10
|
14
|
21
|
38
|
46
|
27
|
40
|
47
|
56
|
42
|
13
|
|
|
2024/08
|
26
|
17
|
45
|
20
|
19
|
27
|
33
|
41
|
49
|
31
|
47
|
22
|
14
|
22
|
26
|
35
|
44
|
48
|
28
|
25
|
19
|
21
|
29
|
50
|
28
|
30
|
23
|
30
|
37
|
42
|
23
|
|
2024/07
|
55
|
63
|
29
|
42
|
60
|
52
|
26
|
53
|
56
|
52
|
60
|
67
|
52
|
53
|
45
|
18
|
22
|
39
|
51
|
31
|
38
|
24
|
36
|
27
|
19
|
8
|
15
|
15
|
25
|
40
|
31
|
|
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