Air Quality
Excellent
No health implications.
21
PM2.5
44
PM10
143
O3
0.5
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
85
Good
Fri
23 May
78
Good
Sat
24 May
86
Good
Sun
25 May
95
Good
Mon
26 May
87
Good
Tue
27 May
106
Light
Wed
28 May
45
Excellent
Air quality in the last 12 months (Luyang)
|
2025/04
|
54
|
65
|
56
|
66
|
77
|
65
|
65
|
65
|
68
|
74
|
57
|
167
|
84
|
76
|
48
|
58
|
67
|
68
|
74
|
59
|
49
|
60
|
79
|
71
|
62
|
53
|
47
|
66
|
54
|
54
|
|
|
2025/03
|
52
|
44
|
24
|
63
|
80
|
69
|
62
|
77
|
98
|
82
|
60
|
117
|
86
|
38
|
37
|
49
|
39
|
48
|
51
|
51
|
50
|
63
|
66
|
92
|
65
|
67
|
99
|
84
|
164
|
88
|
53
|
|
2025/02
|
64
|
55
|
112
|
72
|
52
|
44
|
82
|
36
|
42
|
52
|
69
|
100
|
62
|
83
|
101
|
87
|
68
|
55
|
70
|
67
|
54
|
67
|
98
|
80
|
79
|
116
|
70
|
57
|
|||
|
2025/01
|
87
|
147
|
183
|
138
|
101
|
75
|
49
|
67
|
47
|
53
|
65
|
77
|
91
|
114
|
64
|
64
|
76
|
85
|
122
|
161
|
116
|
178
|
146
|
58
|
27
|
63
|
47
|
60
|
124
|
68
|
108
|
|
2024/12
|
60
|
79
|
85
|
55
|
74
|
131
|
119
|
44
|
50
|
63
|
101
|
79
|
88
|
75
|
57
|
59
|
80
|
87
|
51
|
73
|
89
|
59
|
67
|
81
|
102
|
124
|
82
|
90
|
74
|
77
|
99
|
|
2024/11
|
50
|
87
|
81
|
74
|
48
|
49
|
42
|
43
|
51
|
49
|
52
|
54
|
58
|
69
|
79
|
59
|
26
|
29
|
27
|
37
|
42
|
76
|
46
|
43
|
39
|
47
|
62
|
57
|
43
|
63
|
|
|
2024/10
|
28
|
42
|
24
|
28
|
30
|
14
|
11
|
36
|
45
|
62
|
70
|
65
|
67
|
55
|
60
|
59
|
32
|
15
|
29
|
33
|
44
|
40
|
57
|
51
|
42
|
39
|
54
|
95
|
87
|
44
|
40
|
|
2024/09
|
44
|
39
|
27
|
44
|
44
|
46
|
41
|
45
|
28
|
31
|
22
|
13
|
19
|
41
|
30
|
30
|
15
|
29
|
24
|
21
|
27
|
29
|
30
|
36
|
50
|
46
|
27
|
44
|
44
|
50
|
|
|
2024/08
|
19
|
22
|
28
|
30
|
32
|
33
|
36
|
37
|
46
|
37
|
64
|
69
|
47
|
25
|
26
|
23
|
38
|
41
|
43
|
24
|
38
|
39
|
38
|
41
|
49
|
47
|
20
|
17
|
21
|
33
|
44
|
|
2024/07
|
18
|
17
|
22
|
22
|
27
|
27
|
28
|
25
|
28
|
26
|
36
|
35
|
15
|
9
|
27
|
42
|
31
|
27
|
31
|
24
|
29
|
28
|
35
|
47
|
24
|
26
|
13
|
14
|
16
|
22
|
24
|
|
2024/06
|
46
|
40
|
43
|
50
|
47
|
30
|
46
|
53
|
48
|
23
|
35
|
46
|
40
|
48
|
56
|
47
|
40
|
44
|
25
|
35
|
23
|
19
|
27
|
34
|
27
|
48
|
37
|
11
|
11
|
13
|
|
|
2024/05
|
45
|
46
|
44
|
41
|
48
|
39
|
51
|
44
|
51
|
62
|
49
|
130
|
86
|
65
|
63
|
41
|
62
|
66
|
56
|
51
|
50
|
45
|
52
|
62
|
55
|
36
|
26
|
35
|
43
|
41
|
47
|
|
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