Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
23
O3
0.5
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
50
Excellent
Tue
21 Oct
53
Good
Wed
22 Oct
55
Good
Thu
23 Oct
55
Good
Fri
24 Oct
60
Good
Sat
25 Oct
20
Excellent
Sun
26 Oct
24
Excellent
Air quality in the last 12 months (Rucheng)
|
2025/08
|
31
|
20
|
17
|
21
|
15
|
10
|
16
|
19
|
27
|
36
|
33
|
30
|
31
|
24
|
13
|
21
|
25
|
17
|
17
|
18
|
21
|
22
|
25
|
22
|
18
|
20
|
25
|
28
|
24
|
25
|
26
|
|
2025/07
|
15
|
18
|
27
|
33
|
35
|
34
|
34
|
35
|
36
|
21
|
17
|
20
|
28
|
28
|
26
|
30
|
34
|
30
|
30
|
18
|
13
|
16
|
18
|
23
|
27
|
30
|
26
|
24
|
22
|
23
|
25
|
|
2025/06
|
19
|
19
|
24
|
33
|
33
|
28
|
26
|
25
|
29
|
32
|
27
|
23
|
29
|
14
|
12
|
22
|
9
|
10
|
13
|
14
|
16
|
17
|
22
|
30
|
32
|
21
|
19
|
15
|
18
|
18
|
|
|
2025/05
|
53
|
51
|
43
|
35
|
18
|
30
|
48
|
30
|
23
|
44
|
37
|
40
|
40
|
39
|
33
|
28
|
17
|
13
|
15
|
16
|
19
|
19
|
22
|
37
|
54
|
49
|
47
|
32
|
13
|
25
|
20
|
|
2025/04
|
42
|
47
|
50
|
62
|
65
|
68
|
60
|
63
|
70
|
34
|
46
|
116
|
181
|
121
|
81
|
72
|
76
|
61
|
25
|
22
|
33
|
28
|
37
|
29
|
21
|
24
|
26
|
28
|
49
|
53
|
|
|
2025/03
|
35
|
30
|
29
|
15
|
14
|
19
|
43
|
43
|
44
|
53
|
49
|
49
|
38
|
28
|
15
|
29
|
48
|
35
|
41
|
46
|
47
|
51
|
61
|
74
|
76
|
63
|
49
|
62
|
27
|
12
|
26
|
|
2025/02
|
35
|
14
|
20
|
39
|
51
|
54
|
36
|
60
|
36
|
44
|
51
|
57
|
68
|
80
|
83
|
45
|
38
|
37
|
39
|
26
|
24
|
22
|
14
|
43
|
67
|
83
|
65
|
46
|
|||
|
2025/01
|
92
|
83
|
101
|
105
|
134
|
113
|
88
|
87
|
64
|
45
|
46
|
52
|
55
|
51
|
78
|
61
|
57
|
57
|
63
|
63
|
69
|
73
|
75
|
131
|
73
|
19
|
37
|
53
|
125
|
80
|
71
|
|
2024/12
|
55
|
58
|
57
|
92
|
78
|
45
|
32
|
51
|
86
|
80
|
41
|
46
|
71
|
71
|
49
|
49
|
53
|
56
|
75
|
75
|
79
|
88
|
84
|
85
|
90
|
102
|
109
|
107
|
75
|
82
|
91
|
|
2024/11
|
50
|
62
|
61
|
63
|
63
|
60
|
42
|
49
|
52
|
69
|
56
|
53
|
59
|
64
|
37
|
43
|
33
|
12
|
15
|
30
|
36
|
43
|
41
|
47
|
55
|
25
|
36
|
41
|
41
|
54
|
|
|
2024/10
|
34
|
32
|
39
|
42
|
40
|
50
|
71
|
62
|
47
|
40
|
48
|
55
|
58
|
91
|
62
|
29
|
41
|
45
|
29
|
23
|
31
|
29
|
30
|
36
|
44
|
55
|
29
|
25
|
50
|
52
|
43
|
|
2024/09
|
31
|
32
|
33
|
30
|
33
|
23
|
16
|
18
|
16
|
27
|
34
|
46
|
41
|
42
|
23
|
28
|
41
|
41
|
42
|
30
|
26
|
27
|
35
|
34
|
28
|
34
|
38
|
35
|
38
|
34
|
|
|
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