Air Quality
Excellent
No health implications.
35
PM2.5
37
PM10
94
O3
0.5
CO
12
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
52
Good
Tue
30 Apr
59
Good
Wed
1 May
87
Good
Thu
2 May
92
Good
Fri
3 May
90
Good
Sat
4 May
84
Good
Sun
5 May
76
Good
Air quality in the last 12 months (Bayuquan)
|
2024/02
|
49
|
91
|
114
|
102
|
90
|
66
|
82
|
99
|
173
|
325
|
96
|
105
|
94
|
84
|
74
|
81
|
44
|
31
|
45
|
50
|
51
|
42
|
63
|
152
|
114
|
70
|
95
|
118
|
86
|
||
|
2024/01
|
105
|
135
|
147
|
75
|
60
|
41
|
46
|
36
|
52
|
68
|
80
|
66
|
68
|
50
|
69
|
72
|
81
|
53
|
67
|
72
|
47
|
30
|
44
|
60
|
77
|
85
|
76
|
89
|
137
|
108
|
75
|
|
2023/12
|
53
|
41
|
62
|
120
|
145
|
100
|
104
|
104
|
50
|
47
|
58
|
72
|
133
|
87
|
116
|
57
|
41
|
45
|
52
|
36
|
52
|
67
|
46
|
65
|
78
|
60
|
97
|
69
|
81
|
94
|
72
|
|
2023/11
|
144
|
129
|
48
|
87
|
101
|
42
|
35
|
41
|
45
|
26
|
40
|
45
|
59
|
47
|
95
|
59
|
41
|
50
|
46
|
32
|
50
|
79
|
36
|
31
|
45
|
60
|
95
|
32
|
40
|
36
|
|
|
2023/10
|
34
|
37
|
43
|
41
|
33
|
47
|
75
|
36
|
45
|
89
|
74
|
63
|
38
|
56
|
48
|
43
|
39
|
38
|
37
|
32
|
29
|
44
|
99
|
82
|
111
|
43
|
67
|
101
|
66
|
73
|
131
|
|
2023/09
|
31
|
43
|
32
|
46
|
79
|
74
|
56
|
44
|
51
|
48
|
44
|
40
|
52
|
52
|
39
|
31
|
39
|
52
|
38
|
40
|
54
|
42
|
66
|
52
|
25
|
30
|
84
|
71
|
34
|
47
|
|
|
2023/08
|
29
|
29
|
37
|
38
|
35
|
22
|
38
|
68
|
56
|
40
|
27
|
31
|
31
|
52
|
35
|
44
|
55
|
52
|
50
|
48
|
25
|
35
|
58
|
59
|
53
|
38
|
64
|
65
|
24
|
44
|
34
|
|
2023/07
|
69
|
38
|
27
|
25
|
63
|
85
|
49
|
35
|
35
|
49
|
51
|
57
|
35
|
38
|
39
|
27
|
32
|
42
|
62
|
67
|
55
|
29
|
41
|
41
|
36
|
37
|
25
|
20
|
14
|
20
|
26
|
|
2023/06
|
51
|
41
|
33
|
50
|
67
|
49
|
51
|
50
|
42
|
53
|
49
|
37
|
45
|
47
|
45
|
51
|
44
|
42
|
50
|
34
|
32
|
52
|
56
|
42
|
35
|
68
|
51
|
40
|
41
|
38
|
|
|
2023/05
|
38
|
56
|
54
|
31
|
53
|
54
|
52
|
54
|
58
|
48
|
76
|
70
|
53
|
49
|
55
|
69
|
68
|
84
|
48
|
92
|
153
|
97
|
41
|
63
|
49
|
56
|
41
|
60
|
60
|
66
|
46
|
|
2023/04
|
83
|
68
|
80
|
128
|
226
|
60
|
39
|
52
|
67
|
81
|
215
|
212
|
255
|
127
|
227
|
97
|
79
|
73
|
64
|
89
|
79
|
62
|
71
|
49
|
48
|
33
|
55
|
48
|
39
|
42
|
|
|
2023/03
|
72
|
54
|
94
|
150
|
73
|
93
|
92
|
96
|
92
|
80
|
106
|
36
|
55
|
75
|
92
|
54
|
45
|
75
|
74
|
102
|
69
|
128
|
280
|
59
|
67
|
59
|
78
|
77
|
86
|
101
|
91
|
|
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