Air Quality
Excellent
No health implications.
17
PM2.5
20
PM10
16
O3
0.6
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Sep
64
Good
Thu
25 Sep
73
Good
Fri
26 Sep
65
Good
Sat
27 Sep
59
Good
Sun
28 Sep
64
Good
Mon
29 Sep
37
Excellent
Tue
30 Sep
35
Excellent
Air quality in the last 12 months (Ruicheng)
|
2025/08
|
33
|
38
|
35
|
41
|
30
|
34
|
35
|
21
|
26
|
27
|
35
|
36
|
49
|
40
|
35
|
20
|
26
|
36
|
28
|
30
|
45
|
48
|
36
|
28
|
41
|
50
|
37
|
22
|
22
|
27
|
33
|
|
2025/07
|
23
|
18
|
24
|
30
|
21
|
34
|
23
|
46
|
43
|
38
|
48
|
49
|
43
|
37
|
42
|
50
|
39
|
41
|
42
|
34
|
35
|
38
|
18
|
18
|
24
|
32
|
35
|
32
|
34
|
37
|
38
|
|
2025/06
|
47
|
53
|
51
|
58
|
40
|
54
|
61
|
59
|
59
|
58
|
60
|
48
|
53
|
46
|
53
|
55
|
52
|
33
|
23
|
41
|
32
|
31
|
33
|
34
|
42
|
21
|
34
|
22
|
29
|
28
|
|
|
2025/05
|
80
|
80
|
65
|
66
|
156
|
339
|
150
|
106
|
91
|
51
|
48
|
54
|
59
|
68
|
63
|
59
|
170
|
101
|
80
|
68
|
69
|
77
|
53
|
46
|
50
|
47
|
47
|
60
|
56
|
57
|
51
|
|
2025/04
|
79
|
76
|
61
|
92
|
71
|
80
|
85
|
90
|
102
|
77
|
112
|
249
|
128
|
76
|
58
|
95
|
115
|
85
|
57
|
68
|
67
|
221
|
123
|
73
|
65
|
66
|
61
|
50
|
56
|
114
|
|
|
2025/03
|
88
|
46
|
24
|
37
|
68
|
70
|
64
|
73
|
67
|
69
|
84
|
149
|
98
|
63
|
41
|
36
|
47
|
42
|
46
|
46
|
53
|
68
|
93
|
122
|
95
|
199
|
191
|
178
|
94
|
66
|
67
|
|
2025/02
|
133
|
123
|
46
|
48
|
43
|
76
|
74
|
35
|
58
|
82
|
93
|
79
|
82
|
79
|
84
|
74
|
80
|
86
|
79
|
78
|
104
|
108
|
64
|
71
|
77
|
66
|
70
|
88
|
|||
|
2025/01
|
107
|
80
|
107
|
132
|
108
|
67
|
56
|
56
|
49
|
79
|
80
|
71
|
90
|
77
|
43
|
62
|
81
|
107
|
113
|
116
|
115
|
179
|
124
|
69
|
49
|
74
|
50
|
78
|
138
|
144
|
174
|
|
2024/12
|
68
|
71
|
67
|
75
|
67
|
72
|
57
|
58
|
88
|
98
|
107
|
135
|
64
|
63
|
69
|
83
|
107
|
81
|
67
|
88
|
48
|
68
|
101
|
128
|
121
|
93
|
70
|
56
|
76
|
83
|
78
|
|
2024/11
|
93
|
74
|
85
|
65
|
63
|
72
|
91
|
84
|
73
|
113
|
138
|
145
|
59
|
52
|
51
|
50
|
33
|
42
|
40
|
54
|
63
|
78
|
113
|
106
|
42
|
46
|
73
|
61
|
51
|
56
|
|
|
2024/10
|
67
|
52
|
47
|
53
|
61
|
84
|
98
|
83
|
105
|
69
|
67
|
71
|
58
|
83
|
85
|
133
|
62
|
39
|
30
|
26
|
33
|
28
|
44
|
53
|
62
|
70
|
50
|
63
|
93
|
96
|
116
|
|
2024/09
|
50
|
37
|
44
|
44
|
43
|
35
|
43
|
56
|
49
|
52
|
34
|
31
|
39
|
45
|
43
|
42
|
39
|
40
|
28
|
42
|
29
|
38
|
44
|
57
|
76
|
81
|
90
|
61
|
40
|
27
|
|
|
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