Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
Sat
20 Dec
Sun
21 Dec
Mon
22 Dec
Tue
23 Dec
Wed
24 Dec
Thu
25 Dec
Real-time AQI (Monitoring Station in Yuxi)
东风水库
4119
PM2.5
41
PM10
26
O3
0.7
CO
5
SO2
23
NO2
玉溪一中
3211
PM2.5
32
PM10
20
O3
0.8
CO
4
SO2
23
NO2
文体中心
4112
PM2.5
41
PM10
13
O3
0.7
CO
6
SO2
28
NO2
Air quality in the last 12 months (Yuxi)
|
2025/11
|
27
|
8
|
6
|
14
|
17
|
16
|
23
|
18
|
11
|
15
|
18
|
17
|
21
|
24
|
24
|
25
|
22
|
19
|
14
|
35
|
34
|
37
|
29
|
33
|
38
|
41
|
41
|
31
|
39
|
39
|
|
|
2025/10
|
13
|
14
|
16
|
18
|
23
|
20
|
8
|
11
|
16
|
20
|
22
|
24
|
24
|
29
|
23
|
17
|
14
|
19
|
22
|
29
|
14
|
15
|
14
|
29
|
34
|
24
|
21
|
28
|
25
|
26
|
28
|
|
2025/09
|
21
|
22
|
18
|
20
|
20
|
22
|
21
|
22
|
16
|
20
|
16
|
15
|
15
|
11
|
18
|
18
|
20
|
25
|
20
|
20
|
24
|
22
|
14
|
12
|
20
|
9
|
14
|
20
|
10
|
9
|
|
|
2025/08
|
26
|
28
|
25
|
18
|
25
|
26
|
17
|
12
|
14
|
21
|
17
|
21
|
15
|
24
|
30
|
14
|
13
|
21
|
26
|
21
|
13
|
9
|
11
|
16
|
14
|
10
|
10
|
17
|
17
|
17
|
17
|
|
2025/07
|
20
|
15
|
16
|
19
|
19
|
15
|
22
|
14
|
16
|
20
|
22
|
20
|
26
|
31
|
29
|
33
|
26
|
23
|
19
|
26
|
22
|
13
|
10
|
12
|
14
|
23
|
32
|
26
|
32
|
31
|
15
|
|
2025/06
|
13
|
13
|
11
|
13
|
23
|
35
|
34
|
30
|
19
|
33
|
36
|
34
|
34
|
37
|
24
|
29
|
19
|
11
|
14
|
15
|
15
|
9
|
13
|
12
|
14
|
15
|
18
|
17
|
17
|
18
|
|
|
2025/05
|
28
|
28
|
23
|
18
|
22
|
26
|
28
|
31
|
39
|
41
|
17
|
27
|
26
|
28
|
21
|
21
|
25
|
18
|
23
|
27
|
35
|
30
|
52
|
31
|
19
|
12
|
17
|
16
|
11
|
15
|
13
|
|
2025/04
|
36
|
68
|
79
|
81
|
84
|
73
|
67
|
55
|
60
|
61
|
53
|
39
|
64
|
50
|
39
|
24
|
23
|
29
|
33
|
36
|
33
|
28
|
43
|
53
|
56
|
61
|
64
|
62
|
37
|
29
|
|
|
2025/03
|
50
|
44
|
51
|
50
|
56
|
53
|
43
|
50
|
47
|
45
|
51
|
62
|
65
|
69
|
62
|
50
|
48
|
18
|
24
|
47
|
75
|
66
|
54
|
39
|
39
|
47
|
50
|
95
|
111
|
81
|
68
|
|
2025/02
|
50
|
54
|
27
|
38
|
61
|
55
|
38
|
48
|
43
|
36
|
42
|
46
|
57
|
57
|
64
|
67
|
57
|
50
|
50
|
58
|
63
|
56
|
54
|
25
|
28
|
31
|
38
|
45
|
|||
|
2025/01
|
39
|
32
|
42
|
39
|
33
|
53
|
42
|
35
|
41
|
38
|
19
|
43
|
45
|
40
|
71
|
68
|
51
|
45
|
56
|
47
|
49
|
36
|
40
|
29
|
29
|
25
|
38
|
59
|
88
|
33
|
39
|
|
2024/12
|
25
|
23
|
28
|
26
|
24
|
29
|
26
|
27
|
22
|
28
|
35
|
31
|
31
|
30
|
32
|
44
|
29
|
36
|
44
|
38
|
31
|
41
|
30
|
38
|
37
|
38
|
42
|
42
|
43
|
31
|
41
|
|
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
*: primary pollution