Air Quality
Excellent
No health implications.
10
PM2.5
18
PM10
45
O3
0.5
CO
8
SO2
32
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Feb
103
Light
Mon
2 Feb
113
Light
Tue
3 Feb
155
Moderate
Wed
4 Feb
198
Moderate
Thu
5 Feb
79
Good
Fri
6 Feb
69
Good
Sat
7 Feb
50
Excellent
Beichen Air quality rank
Air quality in the last 12 months (Beichen)
|
2025/12
|
49
|
25
|
45
|
41
|
69
|
150
|
93
|
31
|
85
|
132
|
71
|
39
|
46
|
90
|
137
|
118
|
131
|
184
|
216
|
16
|
29
|
62
|
49
|
35
|
27
|
60
|
97
|
208
|
52
|
46
|
25
|
|
2025/11
|
58
|
17
|
49
|
119
|
167
|
135
|
50
|
81
|
48
|
85
|
146
|
147
|
28
|
93
|
130
|
47
|
25
|
48
|
71
|
39
|
90
|
103
|
123
|
75
|
35
|
87
|
34
|
106
|
139
|
128
|
|
|
2025/10
|
73
|
46
|
38
|
58
|
42
|
16
|
54
|
31
|
12
|
16
|
22
|
47
|
61
|
50
|
75
|
53
|
37
|
17
|
22
|
26
|
41
|
68
|
72
|
100
|
138
|
60
|
50
|
162
|
192
|
142
|
68
|
|
2025/09
|
41
|
44
|
49
|
56
|
53
|
29
|
46
|
47
|
49
|
42
|
62
|
73
|
64
|
51
|
53
|
32
|
26
|
36
|
45
|
49
|
66
|
38
|
50
|
52
|
65
|
57
|
62
|
53
|
66
|
80
|
|
|
2025/08
|
50
|
45
|
32
|
34
|
36
|
53
|
33
|
28
|
31
|
35
|
38
|
39
|
27
|
40
|
44
|
20
|
36
|
29
|
28
|
29
|
20
|
26
|
33
|
20
|
25
|
43
|
38
|
13
|
45
|
21
|
33
|
|
2025/07
|
33
|
33
|
23
|
40
|
32
|
17
|
34
|
32
|
47
|
52
|
56
|
52
|
25
|
32
|
37
|
25
|
27
|
44
|
32
|
37
|
38
|
39
|
25
|
33
|
40
|
40
|
42
|
43
|
13
|
28
|
39
|
|
2025/06
|
71
|
48
|
21
|
30
|
59
|
66
|
52
|
48
|
53
|
36
|
55
|
71
|
69
|
55
|
20
|
16
|
47
|
57
|
37
|
33
|
43
|
49
|
61
|
68
|
53
|
57
|
48
|
54
|
66
|
32
|
|
|
2025/05
|
42
|
55
|
31
|
60
|
68
|
34
|
62
|
84
|
35
|
29
|
65
|
65
|
68
|
41
|
32
|
79
|
45
|
60
|
85
|
99
|
70
|
74
|
60
|
47
|
58
|
75
|
73
|
66
|
66
|
68
|
71
|
|
2025/04
|
58
|
22
|
58
|
75
|
28
|
78
|
65
|
50
|
58
|
79
|
103
|
139
|
76
|
53
|
61
|
99
|
70
|
51
|
47
|
68
|
98
|
37
|
64
|
38
|
61
|
91
|
50
|
59
|
60
|
71
|
|
|
2025/03
|
210
|
70
|
34
|
56
|
85
|
36
|
59
|
128
|
129
|
120
|
142
|
86
|
108
|
67
|
54
|
26
|
36
|
32
|
56
|
51
|
44
|
68
|
123
|
99
|
59
|
93
|
62
|
46
|
26
|
51
|
72
|
|
2025/02
|
64
|
61
|
15
|
22
|
30
|
62
|
35
|
22
|
39
|
96
|
129
|
75
|
134
|
111
|
135
|
39
|
22
|
51
|
46
|
49
|
42
|
47
|
30
|
73
|
64
|
74
|
144
|
205
|
|||
|
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
|
|
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