Air Quality
Excellent
No health implications.
23
PM2.5
27
PM10
38
O3
0.4
CO
4
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Oct
44
Excellent
Thu
30 Oct
44
Excellent
Fri
31 Oct
45
Excellent
Sat
1 Nov
57
Good
Sun
2 Nov
46
Excellent
Mon
3 Nov
31
Excellent
Tue
4 Nov
15
Excellent
Air quality in the last 12 months (Rui'an)
|
2025/08
|
34
|
32
|
31
|
25
|
20
|
26
|
34
|
44
|
42
|
42
|
40
|
25
|
19
|
15
|
14
|
15
|
17
|
15
|
16
|
30
|
27
|
29
|
22
|
17
|
14
|
15
|
14
|
13
|
13
|
16
|
15
|
|
2025/07
|
12
|
20
|
22
|
24
|
15
|
12
|
10
|
12
|
15
|
19
|
21
|
22
|
21
|
30
|
38
|
40
|
33
|
21
|
16
|
17
|
10
|
15
|
18
|
17
|
16
|
11
|
16
|
15
|
18
|
19
|
33
|
|
2025/06
|
42
|
54
|
22
|
30
|
31
|
36
|
36
|
32
|
25
|
19
|
9
|
17
|
16
|
29
|
26
|
19
|
37
|
31
|
22
|
18
|
31
|
31
|
24
|
28
|
28
|
29
|
28
|
24
|
17
|
8
|
|
|
2025/05
|
38
|
45
|
58
|
34
|
38
|
41
|
57
|
46
|
42
|
30
|
34
|
35
|
30
|
29
|
26
|
41
|
50
|
17
|
34
|
43
|
31
|
33
|
47
|
25
|
62
|
53
|
25
|
32
|
17
|
37
|
46
|
|
2025/04
|
30
|
50
|
55
|
52
|
41
|
57
|
56
|
53
|
63
|
48
|
41
|
47
|
95
|
88
|
67
|
61
|
84
|
70
|
46
|
45
|
52
|
40
|
30
|
33
|
24
|
48
|
45
|
41
|
38
|
35
|
|
|
2025/03
|
62
|
57
|
52
|
32
|
21
|
18
|
42
|
53
|
53
|
40
|
65
|
50
|
29
|
32
|
19
|
32
|
42
|
45
|
48
|
55
|
50
|
49
|
61
|
75
|
87
|
72
|
61
|
35
|
46
|
29
|
27
|
|
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
|
|
|
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