Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
31
O3
0.6
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
57
Good
Fri
24 Apr
60
Good
Sat
25 Apr
65
Good
Sun
26 Apr
68
Good
Mon
27 Apr
61
Good
Tue
28 Apr
48
Excellent
Wed
29 Apr
44
Excellent
Air quality in the last 12 months (Ruyuan)
|
2026/03
|
16
|
13
|
12
|
23
|
33
|
34
|
46
|
54
|
28
|
24
|
39
|
43
|
51
|
54
|
60
|
61
|
61
|
48
|
29
|
39
|
18
|
53
|
60
|
48
|
37
|
57
|
46
|
26
|
35
|
26
|
31
|
|
2026/02
|
23
|
36
|
53
|
72
|
77
|
73
|
30
|
36
|
52
|
64
|
35
|
39
|
60
|
54
|
41
|
32
|
31
|
37
|
46
|
36
|
62
|
62
|
53
|
44
|
23
|
35
|
14
|
17
|
|||
|
2026/01
|
42
|
17
|
39
|
55
|
31
|
47
|
46
|
48
|
48
|
53
|
50
|
59
|
69
|
71
|
71
|
86
|
90
|
87
|
82
|
24
|
21
|
25
|
45
|
55
|
75
|
80
|
44
|
41
|
50
|
63
|
18
|
|
2025/12
|
70
|
76
|
83
|
70
|
70
|
72
|
71
|
69
|
75
|
78
|
77
|
77
|
17
|
25
|
44
|
52
|
51
|
61
|
66
|
60
|
84
|
90
|
80
|
32
|
24
|
46
|
49
|
52
|
61
|
60
|
71
|
|
2025/11
|
34
|
33
|
20
|
9
|
14
|
22
|
40
|
27
|
9
|
11
|
11
|
22
|
22
|
37
|
46
|
46
|
55
|
18
|
26
|
36
|
43
|
50
|
58
|
57
|
42
|
60
|
60
|
64
|
65
|
69
|
|
|
2025/10
|
46
|
28
|
29
|
40
|
20
|
16
|
28
|
38
|
37
|
48
|
47
|
35
|
26
|
29
|
41
|
38
|
46
|
37
|
14
|
11
|
9
|
13
|
28
|
40
|
44
|
63
|
60
|
63
|
67
|
71
|
37
|
|
2025/09
|
26
|
35
|
35
|
38
|
42
|
44
|
39
|
14
|
15
|
18
|
24
|
23
|
32
|
37
|
35
|
21
|
31
|
35
|
28
|
14
|
15
|
23
|
14
|
11
|
13
|
22
|
35
|
39
|
41
|
40
|
|
|
2025/08
|
30
|
20
|
20
|
17
|
15
|
11
|
22
|
27
|
44
|
37
|
38
|
41
|
41
|
26
|
10
|
24
|
28
|
16
|
15
|
19
|
24
|
26
|
37
|
25
|
23
|
24
|
30
|
31
|
29
|
28
|
26
|
|
2025/07
|
17
|
29
|
24
|
43
|
49
|
40
|
39
|
43
|
43
|
24
|
16
|
18
|
24
|
32
|
34
|
45
|
45
|
30
|
27
|
17
|
11
|
13
|
18
|
29
|
26
|
35
|
36
|
24
|
26
|
28
|
23
|
|
2025/06
|
30
|
24
|
19
|
34
|
39
|
39
|
37
|
26
|
27
|
32
|
20
|
21
|
26
|
14
|
15
|
35
|
10
|
11
|
17
|
15
|
18
|
22
|
24
|
27
|
34
|
24
|
17
|
19
|
25
|
22
|
|
|
2025/05
|
54
|
55
|
48
|
34
|
26
|
31
|
37
|
28
|
19
|
47
|
37
|
45
|
51
|
52
|
40
|
30
|
18
|
12
|
20
|
24
|
26
|
26
|
24
|
31
|
56
|
50
|
50
|
49
|
13
|
26
|
28
|
|
2025/04
|
38
|
52
|
59
|
74
|
80
|
71
|
71
|
74
|
89
|
43
|
57
|
121
|
249
|
143
|
92
|
87
|
90
|
75
|
34
|
32
|
37
|
39
|
29
|
22
|
15
|
34
|
34
|
22
|
53
|
59
|
|
|
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