Air Quality
Excellent
No health implications.
6
PM2.5
8
PM10
31
O3
0.7
CO
3
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
78
Good
Mon
24 Feb
91
Good
Tue
25 Feb
85
Good
Wed
26 Feb
60
Good
Thu
27 Feb
64
Good
Fri
28 Feb
26
Excellent
Sat
1 Mar
38
Excellent
Air quality in the last 12 months (Beihu)
|
2025/01
|
113
|
92
|
147
|
159
|
186
|
131
|
112
|
115
|
76
|
64
|
63
|
68
|
63
|
54
|
104
|
68
|
73
|
66
|
70
|
75
|
74
|
80
|
90
|
226
|
98
|
26
|
49
|
77
|
182
|
91
|
82
|
|
2024/12
|
60
|
62
|
68
|
152
|
95
|
31
|
35
|
65
|
121
|
108
|
44
|
74
|
106
|
94
|
51
|
55
|
61
|
65
|
89
|
102
|
116
|
113
|
98
|
101
|
119
|
139
|
139
|
143
|
87
|
99
|
102
|
|
2024/11
|
66
|
99
|
80
|
80
|
85
|
81
|
52
|
59
|
63
|
94
|
76
|
69
|
74
|
93
|
59
|
71
|
40
|
11
|
13
|
30
|
49
|
61
|
55
|
56
|
64
|
38
|
40
|
46
|
50
|
69
|
|
|
2024/10
|
35
|
40
|
50
|
57
|
53
|
68
|
93
|
68
|
64
|
54
|
58
|
59
|
73
|
141
|
56
|
26
|
39
|
44
|
26
|
34
|
39
|
25
|
33
|
42
|
52
|
74
|
32
|
42
|
68
|
60
|
54
|
|
2024/09
|
31
|
30
|
32
|
33
|
41
|
33
|
20
|
23
|
19
|
35
|
38
|
58
|
37
|
43
|
31
|
35
|
59
|
56
|
53
|
39
|
37
|
32
|
49
|
47
|
42
|
46
|
48
|
47
|
45
|
48
|
|
|
2024/08
|
16
|
20
|
25
|
36
|
37
|
25
|
25
|
28
|
27
|
29
|
34
|
28
|
18
|
18
|
24
|
33
|
25
|
27
|
25
|
35
|
30
|
16
|
19
|
28
|
27
|
27
|
35
|
33
|
39
|
49
|
43
|
|
2024/07
|
17
|
22
|
19
|
15
|
18
|
21
|
19
|
14
|
21
|
19
|
19
|
20
|
17
|
22
|
25
|
14
|
13
|
14
|
12
|
15
|
17
|
19
|
19
|
26
|
42
|
36
|
23
|
11
|
10
|
12
|
11
|
|
2024/06
|
19
|
17
|
40
|
23
|
14
|
33
|
31
|
43
|
58
|
31
|
19
|
19
|
20
|
20
|
17
|
15
|
13
|
13
|
16
|
21
|
20
|
20
|
24
|
18
|
24
|
30
|
28
|
19
|
17
|
16
|
|
|
2024/05
|
16
|
28
|
42
|
29
|
16
|
35
|
41
|
54
|
68
|
58
|
27
|
45
|
67
|
48
|
41
|
52
|
53
|
47
|
18
|
26
|
37
|
37
|
29
|
26
|
21
|
21
|
14
|
39
|
23
|
34
|
25
|
|
2024/04
|
48
|
53
|
39
|
21
|
15
|
21
|
20
|
37
|
46
|
43
|
48
|
48
|
46
|
50
|
54
|
48
|
22
|
38
|
20
|
18
|
21
|
34
|
45
|
51
|
29
|
25
|
33
|
35
|
23
|
17
|
|
|
2024/03
|
93
|
73
|
56
|
17
|
31
|
130
|
112
|
66
|
53
|
59
|
36
|
43
|
49
|
43
|
42
|
42
|
60
|
18
|
35
|
54
|
66
|
36
|
26
|
28
|
31
|
34
|
44
|
27
|
33
|
35
|
37
|
|
2024/02
|
57
|
23
|
15
|
15
|
49
|
21
|
25
|
75
|
110
|
161
|
79
|
69
|
33
|
34
|
52
|
45
|
40
|
25
|
30
|
40
|
24
|
14
|
18
|
20
|
44
|
23
|
45
|
22
|
32
|
||
|
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