Air Quality
Excellent
No health implications.
12
PM2.5
33
PM10
38
O3
0.5
CO
7
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
53
Good
Tue
18 Nov
63
Good
Wed
19 Nov
62
Good
Thu
20 Nov
73
Good
Fri
21 Nov
71
Good
Sat
22 Nov
75
Good
Sun
23 Nov
24
Excellent
Air quality in the last 12 months (Ruzhou)
|
2025/10
|
22
|
12
|
36
|
38
|
17
|
17
|
28
|
39
|
13
|
17
|
34
|
32
|
35
|
63
|
50
|
56
|
18
|
31
|
52
|
42
|
44
|
67
|
88
|
124
|
106
|
66
|
118
|
113
|
126
|
125
|
116
|
|
2025/09
|
35
|
43
|
35
|
17
|
17
|
49
|
49
|
26
|
28
|
44
|
12
|
26
|
41
|
41
|
42
|
31
|
35
|
18
|
12
|
23
|
43
|
15
|
11
|
20
|
42
|
37
|
22
|
17
|
25
|
33
|
|
|
2025/08
|
38
|
34
|
39
|
41
|
43
|
22
|
26
|
26
|
19
|
30
|
27
|
40
|
41
|
34
|
34
|
22
|
31
|
40
|
30
|
28
|
28
|
39
|
35
|
31
|
47
|
46
|
34
|
33
|
22
|
24
|
25
|
|
2025/07
|
15
|
20
|
20
|
25
|
23
|
34
|
36
|
37
|
30
|
40
|
52
|
49
|
41
|
38
|
34
|
47
|
38
|
45
|
47
|
41
|
28
|
30
|
16
|
23
|
32
|
33
|
32
|
32
|
35
|
34
|
37
|
|
2025/06
|
48
|
50
|
49
|
51
|
50
|
54
|
60
|
62
|
60
|
68
|
68
|
59
|
53
|
46
|
50
|
60
|
56
|
22
|
25
|
38
|
44
|
54
|
45
|
52
|
52
|
27
|
36
|
27
|
26
|
28
|
|
|
2025/05
|
74
|
99
|
65
|
65
|
127
|
203
|
174
|
102
|
99
|
52
|
49
|
59
|
66
|
71
|
61
|
66
|
162
|
106
|
104
|
70
|
88
|
70
|
85
|
68
|
63
|
61
|
91
|
88
|
89
|
59
|
45
|
|
2025/04
|
69
|
65
|
73
|
90
|
76
|
90
|
75
|
92
|
110
|
106
|
98
|
272
|
101
|
81
|
60
|
105
|
104
|
89
|
70
|
83
|
67
|
138
|
125
|
77
|
89
|
78
|
74
|
56
|
57
|
103
|
|
|
2025/03
|
98
|
35
|
43
|
57
|
87
|
95
|
84
|
82
|
103
|
89
|
89
|
141
|
149
|
67
|
54
|
53
|
45
|
58
|
57
|
41
|
43
|
66
|
85
|
168
|
82
|
117
|
133
|
180
|
86
|
61
|
73
|
|
2025/02
|
105
|
113
|
59
|
42
|
48
|
52
|
79
|
43
|
78
|
99
|
133
|
80
|
64
|
76
|
64
|
73
|
93
|
103
|
79
|
87
|
111
|
134
|
132
|
116
|
77
|
80
|
107
|
131
|
|||
|
2025/01
|
125
|
165
|
135
|
138
|
94
|
69
|
64
|
57
|
76
|
74
|
68
|
73
|
87
|
90
|
51
|
56
|
79
|
88
|
79
|
112
|
178
|
207
|
91
|
99
|
97
|
72
|
43
|
66
|
161
|
180
|
140
|
|
2024/12
|
67
|
69
|
82
|
135
|
53
|
61
|
65
|
74
|
113
|
129
|
123
|
122
|
77
|
56
|
48
|
78
|
106
|
86
|
83
|
96
|
63
|
86
|
106
|
122
|
97
|
109
|
101
|
52
|
77
|
71
|
80
|
|
2024/11
|
84
|
71
|
73
|
62
|
58
|
107
|
109
|
84
|
96
|
128
|
164
|
210
|
170
|
66
|
95
|
63
|
35
|
55
|
46
|
47
|
53
|
113
|
146
|
79
|
53
|
49
|
70
|
62
|
42
|
52
|
|
|
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