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
9 Jan
Sat
10 Jan
Sun
11 Jan
Mon
12 Jan
Tue
13 Jan
Wed
14 Jan
Thu
15 Jan
Real-time AQI (Monitoring Station in Yuxi)
东风水库
4530
PM2.5
45
PM10
6
O3
1.1
CO
4
SO2
26
NO2
文体中心
5539 *
PM2.5
47
PM10
10
O3
1.1
CO
4
SO2
24
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