Air Quality
Excellent
No health implications.
12
PM2.5
37
PM10
110
O3
0.4
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
85
Good
Sun
26 Apr
95
Good
Mon
27 Apr
88
Good
Tue
28 Apr
91
Good
Wed
29 Apr
80
Good
Thu
30 Apr
35
Excellent
Fri
1 May
35
Excellent
Air quality in the last 12 months (Ruyang)
|
2026/03
|
40
|
56
|
87
|
136
|
87
|
95
|
65
|
72
|
115
|
136
|
160
|
140
|
159
|
134
|
45
|
70
|
100
|
71
|
74
|
82
|
86
|
109
|
103
|
84
|
65
|
80
|
69
|
66
|
69
|
75
|
83
|
|
2026/02
|
102
|
76
|
121
|
93
|
92
|
71
|
62
|
86
|
85
|
92
|
98
|
99
|
93
|
79
|
78
|
35
|
66
|
57
|
56
|
56
|
91
|
222
|
216
|
55
|
50
|
44
|
67
|
62
|
|||
|
2026/01
|
73
|
119
|
129
|
96
|
57
|
41
|
48
|
59
|
56
|
78
|
70
|
73
|
80
|
86
|
77
|
108
|
95
|
68
|
63
|
79
|
115
|
123
|
135
|
205
|
170
|
176
|
164
|
163
|
182
|
141
|
125
|
|
2025/12
|
147
|
112
|
61
|
81
|
105
|
106
|
94
|
91
|
139
|
154
|
146
|
56
|
89
|
68
|
68
|
110
|
163
|
172
|
147
|
94
|
118
|
93
|
102
|
89
|
59
|
101
|
102
|
112
|
80
|
162
|
81
|
|
2025/11
|
53
|
65
|
100
|
136
|
120
|
102
|
44
|
38
|
77
|
95
|
93
|
81
|
76
|
87
|
84
|
82
|
29
|
30
|
38
|
49
|
60
|
64
|
72
|
119
|
87
|
122
|
201
|
104
|
82
|
86
|
|
|
2025/10
|
20
|
12
|
32
|
35
|
16
|
17
|
28
|
36
|
14
|
18
|
31
|
33
|
34
|
58
|
50
|
54
|
16
|
31
|
52
|
43
|
44
|
70
|
88
|
125
|
92
|
58
|
112
|
106
|
126
|
119
|
111
|
|
2025/09
|
30
|
38
|
31
|
16
|
18
|
47
|
46
|
24
|
25
|
41
|
13
|
23
|
34
|
35
|
42
|
33
|
33
|
18
|
12
|
20
|
38
|
13
|
11
|
20
|
35
|
35
|
20
|
17
|
23
|
32
|
|
|
2025/08
|
34
|
35
|
33
|
38
|
39
|
23
|
29
|
22
|
16
|
24
|
23
|
37
|
37
|
31
|
33
|
20
|
29
|
38
|
28
|
26
|
27
|
35
|
32
|
29
|
48
|
45
|
37
|
28
|
17
|
20
|
22
|
|
2025/07
|
14
|
18
|
20
|
25
|
19
|
28
|
29
|
36
|
31
|
39
|
51
|
51
|
41
|
35
|
33
|
44
|
35
|
43
|
44
|
38
|
27
|
29
|
16
|
22
|
29
|
31
|
30
|
30
|
32
|
32
|
36
|
|
2025/06
|
45
|
48
|
47
|
45
|
46
|
48
|
48
|
55
|
52
|
64
|
63
|
54
|
51
|
42
|
44
|
56
|
53
|
20
|
23
|
38
|
39
|
49
|
41
|
49
|
46
|
24
|
33
|
25
|
28
|
26
|
|
|
2025/05
|
73
|
92
|
64
|
60
|
116
|
218
|
159
|
96
|
91
|
50
|
45
|
54
|
62
|
66
|
57
|
60
|
131
|
105
|
96
|
68
|
80
|
68
|
84
|
66
|
58
|
53
|
81
|
80
|
80
|
54
|
41
|
|
2025/04
|
67
|
66
|
70
|
87
|
73
|
84
|
74
|
89
|
102
|
100
|
91
|
273
|
105
|
74
|
56
|
99
|
106
|
94
|
70
|
85
|
65
|
154
|
125
|
72
|
81
|
76
|
68
|
52
|
53
|
102
|
|
|
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