Air Quality
Excellent
No health implications.
6
PM2.5
13
PM10
54
O3
0.5
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
46
Excellent
Sun
1 Jun
53
Good
Mon
2 Jun
59
Good
Tue
3 Jun
58
Good
Wed
4 Jun
57
Good
Thu
5 Jun
60
Good
Fri
6 Jun
47
Excellent
Air quality in the last 12 months (Rucheng)
|
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
|
|
|
2024/08
|
16
|
20
|
28
|
36
|
37
|
27
|
27
|
33
|
30
|
33
|
30
|
22
|
17
|
21
|
21
|
23
|
21
|
20
|
18
|
28
|
22
|
21
|
23
|
28
|
29
|
27
|
34
|
32
|
32
|
43
|
40
|
|
2024/07
|
18
|
18
|
17
|
17
|
17
|
19
|
16
|
16
|
20
|
20
|
18
|
18
|
17
|
20
|
20
|
14
|
13
|
15
|
17
|
17
|
19
|
23
|
21
|
31
|
39
|
28
|
16
|
12
|
11
|
15
|
13
|
|
2024/06
|
14
|
12
|
32
|
18
|
12
|
23
|
30
|
37
|
34
|
23
|
17
|
19
|
21
|
18
|
13
|
12
|
15
|
17
|
20
|
22
|
19
|
28
|
21
|
16
|
20
|
27
|
23
|
17
|
16
|
17
|
|
|
2024/05
|
14
|
23
|
29
|
26
|
17
|
25
|
39
|
47
|
54
|
54
|
36
|
34
|
59
|
50
|
44
|
51
|
56
|
45
|
26
|
19
|
24
|
24
|
23
|
22
|
20
|
21
|
15
|
28
|
27
|
35
|
23
|
|
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