Air Quality
Excellent
No health implications.
24
PM2.5
42
PM10
97
O3
0.4
CO
5
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Apr
57
Good
Thu
2 Apr
81
Good
Fri
3 Apr
48
Excellent
Sat
4 Apr
63
Good
Sun
5 Apr
62
Good
Mon
6 Apr
61
Good
Tue
7 Apr
40
Excellent
Air quality in the last 12 months (Rui'an)
|
2026/02
|
22
|
35
|
51
|
41
|
43
|
41
|
16
|
34
|
34
|
35
|
46
|
63
|
55
|
37
|
35
|
22
|
39
|
40
|
54
|
47
|
41
|
34
|
107
|
52
|
23
|
27
|
17
|
19
|
|||
|
2026/01
|
25
|
27
|
52
|
60
|
37
|
48
|
52
|
60
|
70
|
64
|
61
|
64
|
61
|
62
|
56
|
65
|
70
|
52
|
39
|
13
|
31
|
48
|
52
|
56
|
70
|
52
|
23
|
36
|
37
|
33
|
14
|
|
2025/12
|
57
|
63
|
53
|
52
|
45
|
45
|
49
|
64
|
42
|
41
|
47
|
58
|
43
|
39
|
56
|
53
|
62
|
81
|
65
|
62
|
72
|
30
|
46
|
67
|
31
|
41
|
39
|
44
|
48
|
62
|
43
|
|
2025/11
|
33
|
54
|
41
|
20
|
18
|
31
|
34
|
40
|
27
|
36
|
28
|
13
|
15
|
40
|
48
|
39
|
35
|
21
|
34
|
42
|
56
|
60
|
54
|
55
|
60
|
83
|
75
|
85
|
79
|
66
|
|
|
2025/10
|
19
|
17
|
13
|
12
|
22
|
30
|
25
|
31
|
24
|
25
|
25
|
26
|
21
|
23
|
17
|
28
|
26
|
32
|
13
|
16
|
19
|
25
|
33
|
33
|
37
|
43
|
35
|
28
|
24
|
26
|
17
|
|
2025/09
|
18
|
19
|
17
|
21
|
22
|
18
|
12
|
23
|
19
|
20
|
20
|
25
|
40
|
26
|
27
|
14
|
16
|
13
|
13
|
22
|
20
|
23
|
18
|
18
|
16
|
19
|
18
|
20
|
20
|
21
|
|
|
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
|
|
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