Air Quality
Excellent
No health implications.
8
PM2.5
31
PM10
95
O3
0.3
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Mar
146
Light
Thu
13 Mar
86
Good
Fri
14 Mar
66
Good
Sat
15 Mar
67
Good
Sun
16 Mar
58
Good
Mon
17 Mar
57
Good
Tue
18 Mar
20
Excellent
Air quality in the last 12 months (Beichen)
|
2025/01
|
100
|
36
|
55
|
124
|
99
|
27
|
25
|
17
|
23
|
34
|
42
|
47
|
78
|
49
|
41
|
56
|
77
|
148
|
75
|
83
|
102
|
57
|
68
|
93
|
140
|
107
|
29
|
58
|
340
|
69
|
58
|
|
2024/12
|
128
|
14
|
58
|
68
|
96
|
35
|
17
|
35
|
117
|
74
|
56
|
77
|
50
|
39
|
56
|
57
|
42
|
19
|
61
|
62
|
21
|
33
|
78
|
100
|
104
|
34
|
39
|
67
|
86
|
90
|
60
|
|
2024/11
|
95
|
121
|
72
|
20
|
65
|
84
|
84
|
83
|
99
|
97
|
70
|
117
|
58
|
33
|
65
|
47
|
36
|
46
|
65
|
99
|
45
|
37
|
46
|
77
|
40
|
12
|
23
|
28
|
57
|
73
|
|
|
2024/10
|
13
|
22
|
49
|
60
|
70
|
71
|
30
|
56
|
98
|
34
|
80
|
111
|
127
|
173
|
85
|
47
|
77
|
42
|
15
|
40
|
59
|
41
|
68
|
131
|
146
|
201
|
103
|
73
|
117
|
124
|
130
|
|
2024/09
|
31
|
18
|
41
|
53
|
34
|
36
|
36
|
49
|
72
|
22
|
21
|
34
|
48
|
48
|
35
|
49
|
66
|
39
|
51
|
26
|
11
|
20
|
44
|
62
|
77
|
36
|
35
|
62
|
52
|
10
|
|
|
2024/08
|
39
|
54
|
43
|
27
|
16
|
45
|
48
|
48
|
48
|
59
|
57
|
27
|
22
|
35
|
42
|
50
|
53
|
34
|
28
|
18
|
24
|
37
|
41
|
35
|
50
|
23
|
23
|
39
|
47
|
51
|
43
|
|
2024/07
|
45
|
52
|
42
|
71
|
65
|
29
|
64
|
27
|
62
|
63
|
67
|
65
|
77
|
87
|
46
|
60
|
34
|
31
|
40
|
45
|
41
|
38
|
48
|
48
|
25
|
26
|
31
|
28
|
36
|
17
|
29
|
|
2024/06
|
39
|
55
|
50
|
54
|
68
|
66
|
62
|
45
|
94
|
92
|
83
|
65
|
75
|
41
|
43
|
44
|
48
|
55
|
57
|
47
|
72
|
128
|
86
|
45
|
58
|
68
|
58
|
61
|
63
|
49
|
|
|
2024/05
|
56
|
63
|
66
|
62
|
72
|
75
|
73
|
76
|
81
|
81
|
179
|
49
|
80
|
91
|
36
|
61
|
74
|
86
|
51
|
30
|
36
|
80
|
64
|
32
|
37
|
29
|
41
|
50
|
62
|
61
|
26
|
|
2024/04
|
72
|
66
|
64
|
56
|
72
|
86
|
93
|
90
|
58
|
75
|
151
|
66
|
76
|
59
|
109
|
64
|
88
|
105
|
71
|
64
|
80
|
83
|
28
|
58
|
102
|
96
|
85
|
43
|
41
|
37
|
|
|
2024/03
|
36
|
101
|
70
|
74
|
77
|
112
|
99
|
24
|
68
|
115
|
157
|
110
|
91
|
133
|
96
|
155
|
58
|
98
|
110
|
62
|
81
|
72
|
110
|
75
|
83
|
77
|
101
|
211
|
126
|
76
|
84
|
|
2024/02
|
45
|
65
|
108
|
77
|
118
|
104
|
34
|
57
|
200
|
68
|
129
|
199
|
241
|
164
|
44
|
70
|
73
|
95
|
27
|
45
|
30
|
32
|
45
|
83
|
88
|
88
|
66
|
96
|
45
|
||
|
1
|
2
|
3
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4
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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