Air Quality
Excellent
No health implications.
15
PM2.5
18
PM10
88
O3
0.6
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
77
Good
Thu
24 Apr
78
Good
Fri
25 Apr
80
Good
Sat
26 Apr
62
Good
Sun
27 Apr
59
Good
Mon
28 Apr
79
Good
Tue
29 Apr
21
Excellent
Air quality in the last 12 months (Rui'an)
|
2025/02
|
27
|
13
|
43
|
72
|
49
|
51
|
46
|
39
|
36
|
43
|
39
|
39
|
81
|
46
|
46
|
65
|
68
|
30
|
50
|
28
|
16
|
38
|
24
|
85
|
99
|
70
|
68
|
54
|
|||
|
2025/01
|
83
|
45
|
50
|
44
|
44
|
65
|
73
|
72
|
63
|
42
|
43
|
54
|
55
|
56
|
83
|
46
|
59
|
59
|
49
|
61
|
97
|
73
|
43
|
27
|
36
|
31
|
28
|
39
|
71
|
44
|
40
|
|
2024/12
|
48
|
52
|
50
|
53
|
50
|
33
|
35
|
67
|
34
|
44
|
22
|
32
|
17
|
99
|
90
|
58
|
52
|
64
|
38
|
31
|
54
|
63
|
42
|
36
|
41
|
72
|
121
|
68
|
61
|
53
|
67
|
|
2024/11
|
9
|
12
|
38
|
47
|
49
|
31
|
26
|
30
|
31
|
30
|
22
|
30
|
33
|
28
|
14
|
15
|
19
|
13
|
18
|
21
|
35
|
31
|
42
|
29
|
32
|
20
|
38
|
38
|
41
|
44
|
|
|
2024/10
|
16
|
13
|
19
|
17
|
20
|
13
|
14
|
13
|
36
|
45
|
52
|
43
|
31
|
48
|
33
|
25
|
37
|
36
|
27
|
15
|
34
|
38
|
27
|
36
|
25
|
18
|
17
|
18
|
47
|
37
|
21
|
|
2024/09
|
34
|
31
|
22
|
22
|
23
|
15
|
21
|
12
|
26
|
39
|
32
|
29
|
15
|
23
|
23
|
20
|
19
|
22
|
17
|
21
|
23
|
12
|
15
|
14
|
13
|
19
|
22
|
28
|
31
|
23
|
|
|
2024/08
|
36
|
42
|
41
|
42
|
27
|
23
|
38
|
35
|
38
|
40
|
50
|
46
|
44
|
34
|
24
|
24
|
20
|
18
|
14
|
18
|
20
|
27
|
38
|
42
|
31
|
25
|
44
|
27
|
34
|
27
|
33
|
|
2024/07
|
28
|
27
|
32
|
28
|
32
|
26
|
28
|
27
|
32
|
35
|
40
|
44
|
33
|
33
|
22
|
15
|
24
|
32
|
28
|
19
|
20
|
12
|
16
|
17
|
20
|
20
|
17
|
17
|
12
|
14
|
23
|
|
2024/06
|
8
|
14
|
21
|
38
|
37
|
11
|
17
|
35
|
28
|
18
|
25
|
28
|
28
|
39
|
18
|
20
|
19
|
18
|
36
|
50
|
43
|
46
|
50
|
25
|
20
|
28
|
44
|
29
|
22
|
24
|
|
|
2024/05
|
14
|
27
|
34
|
40
|
58
|
43
|
44
|
51
|
25
|
26
|
45
|
41
|
34
|
36
|
50
|
31
|
29
|
32
|
31
|
30
|
25
|
32
|
40
|
24
|
13
|
24
|
25
|
15
|
25
|
25
|
30
|
|
2024/04
|
44
|
56
|
40
|
26
|
36
|
39
|
29
|
39
|
32
|
58
|
56
|
46
|
40
|
24
|
40
|
51
|
39
|
38
|
87
|
77
|
60
|
23
|
30
|
37
|
36
|
61
|
52
|
28
|
39
|
18
|
|
|
2024/03
|
19
|
47
|
53
|
59
|
61
|
13
|
58
|
72
|
67
|
49
|
35
|
55
|
76
|
62
|
51
|
38
|
53
|
31
|
39
|
62
|
59
|
63
|
66
|
70
|
49
|
38
|
34
|
59
|
52
|
61
|
57
|
|
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