Air Quality
Excellent
No health implications.
12
PM2.5
19
PM10
31
O3
0.4
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
98
Good
Sat
13 Dec
87
Good
Sun
14 Dec
74
Good
Mon
15 Dec
90
Good
Tue
16 Dec
93
Good
Wed
17 Dec
106
Light
Thu
18 Dec
50
Excellent
Air quality in the last 12 months (Ruicheng)
|
2025/11
|
63
|
73
|
73
|
102
|
104
|
74
|
33
|
48
|
77
|
92
|
90
|
84
|
61
|
82
|
91
|
77
|
25
|
29
|
43
|
65
|
81
|
92
|
81
|
99
|
78
|
147
|
147
|
103
|
102
|
89
|
|
|
2025/10
|
31
|
23
|
23
|
35
|
26
|
18
|
22
|
15
|
16
|
17
|
16
|
16
|
27
|
41
|
36
|
31
|
14
|
22
|
39
|
31
|
26
|
48
|
65
|
92
|
54
|
55
|
59
|
67
|
84
|
91
|
83
|
|
2025/09
|
33
|
31
|
16
|
13
|
18
|
52
|
56
|
46
|
29
|
31
|
16
|
18
|
27
|
38
|
35
|
35
|
24
|
13
|
15
|
34
|
16
|
14
|
18
|
38
|
35
|
30
|
27
|
33
|
39
|
53
|
|
|
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
|
|
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