Air Quality
Excellent
No health implications.
29
PM2.5
50
PM10
96
O3
0.7
CO
8
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
61
Good
Tue
29 Apr
104
Light
Wed
30 Apr
85
Good
Thu
1 May
60
Good
Fri
2 May
66
Good
Sat
3 May
66
Good
Sun
4 May
48
Excellent
Air quality in the last 12 months (Bayuquan)
|
2025/02
|
133
|
170
|
55
|
50
|
41
|
39
|
69
|
62
|
68
|
58
|
66
|
47
|
67
|
95
|
102
|
54
|
36
|
42
|
62
|
55
|
54
|
50
|
40
|
43
|
67
|
63
|
109
|
139
|
|||
|
2025/01
|
53
|
48
|
41
|
61
|
139
|
81
|
38
|
63
|
54
|
84
|
83
|
121
|
81
|
61
|
45
|
65
|
55
|
74
|
89
|
100
|
65
|
89
|
89
|
112
|
155
|
194
|
145
|
74
|
217
|
83
|
95
|
|
2024/12
|
51
|
30
|
42
|
45
|
38
|
41
|
53
|
56
|
63
|
57
|
45
|
66
|
60
|
59
|
40
|
57
|
52
|
52
|
58
|
72
|
49
|
54
|
54
|
67
|
92
|
53
|
53
|
47
|
48
|
81
|
40
|
|
2024/11
|
146
|
102
|
71
|
43
|
32
|
54
|
53
|
55
|
52
|
57
|
58
|
61
|
47
|
32
|
54
|
35
|
31
|
31
|
46
|
82
|
64
|
44
|
96
|
59
|
44
|
30
|
21
|
40
|
49
|
43
|
|
|
2024/10
|
23
|
29
|
22
|
31
|
51
|
66
|
38
|
58
|
34
|
36
|
39
|
58
|
54
|
36
|
32
|
46
|
52
|
64
|
52
|
63
|
34
|
40
|
31
|
76
|
102
|
126
|
42
|
77
|
68
|
73
|
65
|
|
2024/09
|
28
|
27
|
42
|
30
|
23
|
39
|
50
|
33
|
36
|
35
|
56
|
53
|
75
|
29
|
45
|
49
|
57
|
87
|
65
|
34
|
20
|
40
|
45
|
29
|
56
|
62
|
66
|
51
|
34
|
19
|
|
|
2024/08
|
28
|
45
|
42
|
18
|
15
|
29
|
32
|
42
|
45
|
22
|
50
|
54
|
56
|
56
|
40
|
69
|
65
|
45
|
20
|
29
|
41
|
29
|
46
|
76
|
41
|
46
|
54
|
46
|
36
|
47
|
39
|
|
2024/07
|
58
|
55
|
33
|
53
|
50
|
20
|
37
|
53
|
77
|
63
|
61
|
70
|
56
|
64
|
52
|
14
|
19
|
42
|
52
|
23
|
32
|
25
|
22
|
29
|
16
|
14
|
12
|
12
|
32
|
28
|
28
|
|
2024/06
|
27
|
50
|
58
|
38
|
28
|
30
|
29
|
30
|
54
|
42
|
53
|
34
|
25
|
23
|
28
|
34
|
52
|
48
|
31
|
27
|
17
|
21
|
74
|
17
|
31
|
29
|
35
|
26
|
18
|
24
|
|
|
2024/05
|
45
|
53
|
55
|
35
|
34
|
59
|
59
|
55
|
101
|
54
|
155
|
31
|
48
|
79
|
40
|
44
|
49
|
49
|
39
|
53
|
55
|
36
|
37
|
64
|
39
|
32
|
24
|
43
|
46
|
39
|
29
|
|
2024/04
|
78
|
68
|
66
|
62
|
86
|
87
|
126
|
103
|
165
|
114
|
73
|
54
|
29
|
23
|
101
|
89
|
42
|
65
|
68
|
100
|
90
|
42
|
30
|
25
|
50
|
58
|
64
|
49
|
51
|
57
|
|
|
2024/03
|
48
|
60
|
73
|
102
|
105
|
59
|
67
|
55
|
58
|
75
|
103
|
99
|
100
|
107
|
123
|
133
|
124
|
61
|
45
|
33
|
52
|
36
|
61
|
61
|
58
|
67
|
75
|
156
|
72
|
67
|
68
|
|
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