Air Quality
Excellent
No health implications.
30
PM2.5
44
PM10
44
O3
0.6
CO
6
SO2
34
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Feb
49
Excellent
Sun
15 Feb
54
Good
Mon
16 Feb
51
Good
Tue
17 Feb
59
Good
Wed
18 Feb
49
Excellent
Thu
19 Feb
50
Excellent
Fri
20 Feb
17
Excellent
Air quality in the last 12 months (Rui'an)
|
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
|
|
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
|
|||
|
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