Air Quality
Excellent
No health implications.
18
PM2.5
39
PM10
58
O3
0.8
CO
5
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
56
Good
Sun
28 Apr
48
Excellent
Mon
29 Apr
57
Good
Tue
30 Apr
34
Excellent
Wed
1 May
40
Excellent
Thu
2 May
43
Excellent
Fri
3 May
41
Excellent
Air quality in the last 12 months (Beihu)
|
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
|
||
|
2024/01
|
133
|
87
|
53
|
60
|
70
|
77
|
83
|
40
|
63
|
85
|
108
|
73
|
81
|
68
|
202
|
188
|
184
|
116
|
30
|
16
|
55
|
31
|
64
|
62
|
70
|
84
|
80
|
94
|
60
|
47
|
44
|
|
2023/12
|
60
|
69
|
56
|
26
|
64
|
49
|
56
|
43
|
44
|
30
|
31
|
28
|
44
|
22
|
20
|
35
|
40
|
32
|
41
|
65
|
54
|
82
|
60
|
63
|
69
|
68
|
65
|
83
|
118
|
173
|
176
|
|
2023/11
|
49
|
49
|
55
|
54
|
45
|
22
|
37
|
42
|
36
|
12
|
11
|
13
|
23
|
56
|
62
|
37
|
59
|
59
|
56
|
55
|
59
|
53
|
66
|
76
|
81
|
81
|
78
|
71
|
69
|
97
|
|
|
2023/10
|
70
|
75
|
81
|
46
|
28
|
55
|
41
|
35
|
32
|
18
|
45
|
53
|
82
|
69
|
62
|
64
|
58
|
50
|
56
|
23
|
37
|
47
|
49
|
51
|
51
|
70
|
30
|
56
|
60
|
52
|
58
|
|
2023/09
|
42
|
41
|
54
|
45
|
64
|
27
|
32
|
35
|
30
|
22
|
19
|
23
|
26
|
21
|
23
|
37
|
32
|
30
|
30
|
35
|
50
|
32
|
48
|
57
|
64
|
67
|
70
|
78
|
70
|
73
|
|
|
2023/08
|
23
|
29
|
40
|
45
|
33
|
19
|
34
|
30
|
30
|
37
|
29
|
34
|
35
|
43
|
29
|
30
|
33
|
45
|
59
|
47
|
26
|
22
|
23
|
35
|
27
|
24
|
26
|
20
|
35
|
42
|
40
|
|
2023/07
|
29
|
30
|
23
|
21
|
18
|
20
|
21
|
20
|
22
|
24
|
29
|
28
|
30
|
36
|
44
|
48
|
39
|
28
|
18
|
19
|
20
|
24
|
29
|
32
|
33
|
34
|
29
|
26
|
33
|
30
|
22
|
|
2023/06
|
46
|
50
|
48
|
53
|
44
|
47
|
40
|
22
|
22
|
27
|
42
|
51
|
40
|
35
|
47
|
43
|
23
|
18
|
18
|
19
|
22
|
24
|
18
|
19
|
16
|
15
|
23
|
25
|
23
|
28
|
|
|
2023/05
|
64
|
46
|
29
|
28
|
31
|
25
|
19
|
49
|
63
|
53
|
23
|
47
|
58
|
57
|
52
|
46
|
29
|
37
|
52
|
43
|
35
|
25
|
40
|
36
|
52
|
31
|
25
|
38
|
38
|
52
|
61
|
|
2023/04
|
38
|
21
|
22
|
24
|
30
|
23
|
39
|
67
|
66
|
52
|
25
|
33
|
47
|
33
|
70
|
58
|
54
|
37
|
27
|
35
|
47
|
32
|
15
|
14
|
17
|
34
|
37
|
29
|
50
|
77
|
|
|
2023/03
|
77
|
100
|
92
|
67
|
68
|
58
|
64
|
70
|
70
|
55
|
65
|
88
|
90
|
68
|
58
|
70
|
43
|
38
|
36
|
43
|
43
|
55
|
26
|
14
|
18
|
55
|
39
|
50
|
30
|
45
|
53
|
|
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