Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
54
O3
0.6
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
57
Good
Sun
28 Jul
56
Good
Mon
29 Jul
69
Good
Tue
30 Jul
57
Good
Wed
31 Jul
52
Good
Thu
1 Aug
56
Good
Fri
2 Aug
51
Good
Air quality in the last 12 months (Ruyuan)
|
2024/06
|
18
|
13
|
34
|
19
|
11
|
21
|
42
|
41
|
22
|
18
|
21
|
28
|
26
|
17
|
12
|
16
|
25
|
16
|
27
|
30
|
23
|
34
|
20
|
16
|
22
|
33
|
31
|
22
|
25
|
24
|
|
|
2024/05
|
10
|
24
|
24
|
21
|
17
|
35
|
36
|
41
|
56
|
59
|
44
|
25
|
48
|
55
|
52
|
54
|
60
|
35
|
21
|
17
|
24
|
25
|
24
|
22
|
19
|
25
|
21
|
26
|
28
|
34
|
29
|
|
2024/04
|
50
|
52
|
42
|
33
|
10
|
11
|
11
|
13
|
31
|
44
|
62
|
72
|
67
|
51
|
60
|
53
|
39
|
28
|
22
|
12
|
13
|
35
|
35
|
31
|
31
|
23
|
29
|
28
|
25
|
23
|
|
|
2024/03
|
52
|
33
|
40
|
15
|
40
|
49
|
56
|
50
|
48
|
24
|
18
|
40
|
56
|
35
|
29
|
35
|
57
|
53
|
19
|
68
|
73
|
55
|
45
|
41
|
32
|
22
|
49
|
35
|
36
|
51
|
41
|
|
2024/02
|
52
|
31
|
29
|
12
|
22
|
16
|
13
|
26
|
51
|
79
|
63
|
57
|
50
|
51
|
46
|
25
|
45
|
31
|
37
|
31
|
36
|
12
|
10
|
14
|
15
|
12
|
17
|
16
|
15
|
||
|
2024/01
|
100
|
69
|
35
|
50
|
74
|
81
|
57
|
58
|
34
|
41
|
60
|
55
|
64
|
70
|
87
|
82
|
85
|
40
|
44
|
14
|
20
|
13
|
38
|
40
|
52
|
46
|
46
|
56
|
60
|
74
|
64
|
|
2023/12
|
57
|
47
|
37
|
25
|
23
|
37
|
49
|
58
|
86
|
85
|
50
|
15
|
42
|
55
|
51
|
14
|
28
|
18
|
14
|
41
|
35
|
65
|
50
|
50
|
53
|
58
|
62
|
65
|
76
|
92
|
89
|
|
2023/11
|
47
|
55
|
70
|
71
|
59
|
28
|
28
|
53
|
64
|
28
|
12
|
11
|
12
|
24
|
35
|
29
|
55
|
62
|
58
|
57
|
61
|
69
|
68
|
61
|
73
|
80
|
74
|
60
|
74
|
67
|
|
|
2023/10
|
42
|
40
|
47
|
40
|
28
|
33
|
23
|
15
|
16
|
16
|
24
|
36
|
47
|
57
|
47
|
46
|
52
|
52
|
51
|
21
|
24
|
34
|
40
|
44
|
47
|
56
|
26
|
28
|
40
|
46
|
48
|
|
2023/09
|
27
|
29
|
35
|
30
|
45
|
22
|
16
|
27
|
28
|
25
|
22
|
24
|
28
|
16
|
16
|
29
|
28
|
33
|
36
|
39
|
37
|
34
|
39
|
34
|
43
|
45
|
41
|
43
|
41
|
44
|
|
|
2023/08
|
22
|
35
|
43
|
46
|
33
|
27
|
36
|
39
|
36
|
38
|
26
|
33
|
37
|
35
|
34
|
35
|
39
|
40
|
50
|
42
|
31
|
25
|
32
|
29
|
25
|
28
|
25
|
21
|
19
|
25
|
29
|
|
2023/07
|
32
|
29
|
21
|
21
|
26
|
27
|
23
|
30
|
31
|
30
|
35
|
31
|
32
|
43
|
48
|
40
|
21
|
20
|
18
|
22
|
30
|
39
|
35
|
37
|
41
|
40
|
24
|
29
|
35
|
25
|
25
|
|
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