Air Quality
Excellent
No health implications.
25
PM2.5
36
PM10
93
O3
0.6
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Aug
51
Good
Tue
18 Aug
56
Good
Wed
19 Aug
48
Excellent
Thu
20 Aug
46
Excellent
Fri
21 Aug
54
Good
Sat
22 Aug
71
Good
Sun
23 Aug
31
Excellent
Air quality in the last 12 months (Ruicheng)
|
2026/07
|
39
|
35
|
38
|
40
|
36
|
40
|
45
|
40
|
39
|
35
|
29
|
26
|
42
|
41
|
30
|
40
|
27
|
47
|
62
|
50
|
51
|
39
|
41
|
38
|
40
|
33
|
31
|
25
|
19
|
20
|
24
|
|
2026/06
|
63
|
70
|
75
|
60
|
50
|
46
|
41
|
41
|
40
|
40
|
45
|
36
|
39
|
55
|
47
|
50
|
44
|
29
|
30
|
35
|
32
|
30
|
34
|
36
|
39
|
48
|
46
|
47
|
46
|
37
|
|
|
2026/05
|
40
|
39
|
39
|
41
|
42
|
45
|
43
|
47
|
43
|
52
|
63
|
74
|
57
|
35
|
45
|
38
|
26
|
26
|
38
|
33
|
35
|
38
|
42
|
41
|
29
|
37
|
48
|
63
|
54
|
50
|
49
|
|
2026/04
|
49
|
55
|
105
|
87
|
80
|
73
|
80
|
61
|
49
|
63
|
53
|
60
|
49
|
47
|
45
|
43
|
57
|
57
|
143
|
133
|
36
|
28
|
39
|
44
|
51
|
57
|
85
|
80
|
52
|
45
|
|
|
2026/03
|
20
|
43
|
75
|
74
|
67
|
57
|
36
|
66
|
79
|
119
|
106
|
118
|
149
|
63
|
39
|
57
|
67
|
80
|
79
|
81
|
75
|
107
|
85
|
64
|
71
|
81
|
74
|
63
|
61
|
49
|
54
|
|
2026/02
|
128
|
98
|
81
|
117
|
120
|
76
|
52
|
51
|
76
|
114
|
99
|
101
|
104
|
91
|
80
|
49
|
146
|
99
|
74
|
60
|
126
|
378
|
117
|
51
|
59
|
54
|
46
|
36
|
|||
|
2026/01
|
66
|
110
|
143
|
91
|
58
|
38
|
51
|
57
|
60
|
74
|
60
|
70
|
88
|
115
|
102
|
92
|
92
|
92
|
58
|
42
|
51
|
71
|
100
|
131
|
113
|
160
|
133
|
132
|
130
|
128
|
139
|
|
2025/12
|
98
|
72
|
50
|
68
|
79
|
127
|
117
|
84
|
100
|
131
|
128
|
63
|
86
|
97
|
100
|
122
|
104
|
114
|
112
|
55
|
72
|
99
|
88
|
93
|
54
|
66
|
93
|
113
|
138
|
114
|
76
|
|
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
|
|
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