Air Quality
Excellent
No health implications.
22
PM2.5
36
PM10
33
O3
0.4
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
78
Good
Mon
12 May
84
Good
Tue
13 May
85
Good
Wed
14 May
63
Good
Thu
15 May
48
Excellent
Fri
16 May
55
Good
Sat
17 May
42
Excellent
Air quality in the last 12 months (Rucheng)
|
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
|
|
2024/04
|
41
|
51
|
39
|
23
|
13
|
16
|
15
|
25
|
36
|
38
|
46
|
56
|
52
|
48
|
52
|
50
|
30
|
33
|
22
|
20
|
17
|
31
|
37
|
37
|
27
|
24
|
30
|
26
|
26
|
21
|
|
|
2024/03
|
49
|
40
|
39
|
20
|
31
|
70
|
62
|
53
|
45
|
42
|
26
|
36
|
51
|
37
|
32
|
38
|
51
|
32
|
31
|
60
|
64
|
46
|
40
|
34
|
31
|
25
|
39
|
27
|
34
|
37
|
35
|
|
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