Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
80
O3
0.3
CO
9
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
42
Excellent
Mon
2 Jun
57
Good
Tue
3 Jun
53
Good
Wed
4 Jun
55
Good
Thu
5 Jun
59
Good
Fri
6 Jun
22
Excellent
Sat
7 Jun
33
Excellent
Air quality in the last 12 months (Beihu)
|
2025/04
|
53
|
53
|
53
|
68
|
77
|
83
|
66
|
65
|
68
|
31
|
47
|
150
|
173
|
118
|
83
|
75
|
82
|
60
|
25
|
20
|
31
|
24
|
58
|
41
|
28
|
29
|
22
|
33
|
51
|
58
|
|
|
2025/03
|
30
|
29
|
30
|
18
|
16
|
26
|
64
|
62
|
60
|
65
|
49
|
57
|
49
|
27
|
19
|
41
|
48
|
39
|
43
|
46
|
50
|
56
|
65
|
77
|
77
|
67
|
54
|
57
|
32
|
19
|
38
|
|
2025/02
|
22
|
18
|
33
|
50
|
59
|
68
|
51
|
67
|
44
|
58
|
51
|
68
|
101
|
103
|
98
|
41
|
51
|
43
|
39
|
16
|
49
|
27
|
16
|
59
|
87
|
106
|
55
|
42
|
|||
|
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
|
|
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