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
17 Oct
Sat
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Real-time AQI (Monitoring Station in Chuxiong Prefecture)
州环境监测站
73
PM2.5
6
PM10
20
O3
0.5
CO
6
SO2
1
NO2
市经济开发区
73
PM2.5
6
PM10
21
O3
0.6
CO
5
SO2
4
NO2
Air quality in the last 12 months (Chuxiong Prefecture)
|
2025/08
|
27
|
27
|
22
|
19
|
23
|
21
|
14
|
14
|
21
|
15
|
14
|
13
|
22
|
28
|
29
|
27
|
18
|
24
|
30
|
22
|
11
|
9
|
10
|
12
|
18
|
24
|
20
|
16
|
17
|
19
|
27
|
|
2025/07
|
17
|
15
|
10
|
10
|
11
|
14
|
13
|
14
|
15
|
21
|
17
|
23
|
31
|
23
|
27
|
29
|
31
|
27
|
19
|
20
|
23
|
18
|
15
|
25
|
14
|
28
|
23
|
26
|
31
|
30
|
21
|
|
2025/06
|
10
|
10
|
17
|
18
|
24
|
30
|
28
|
27
|
23
|
25
|
30
|
38
|
43
|
39
|
26
|
16
|
12
|
11
|
9
|
16
|
25
|
20
|
13
|
10
|
11
|
13
|
17
|
17
|
11
|
11
|
|
|
2025/05
|
33
|
28
|
21
|
16
|
24
|
32
|
22
|
26
|
33
|
43
|
20
|
35
|
31
|
32
|
24
|
29
|
32
|
31
|
27
|
31
|
27
|
27
|
48
|
24
|
8
|
19
|
10
|
14
|
18
|
13
|
11
|
|
2025/04
|
63
|
60
|
69
|
71
|
65
|
56
|
70
|
74
|
68
|
65
|
51
|
34
|
49
|
41
|
30
|
23
|
24
|
23
|
23
|
34
|
28
|
27
|
37
|
47
|
57
|
60
|
63
|
66
|
47
|
24
|
|
|
2025/03
|
51
|
41
|
37
|
40
|
48
|
63
|
69
|
52
|
54
|
57
|
50
|
72
|
80
|
65
|
53
|
62
|
55
|
34
|
36
|
46
|
47
|
54
|
54
|
38
|
39
|
37
|
35
|
86
|
109
|
91
|
73
|
|
2025/02
|
51
|
49
|
42
|
39
|
44
|
50
|
50
|
35
|
28
|
30
|
35
|
38
|
57
|
61
|
48
|
59
|
33
|
37
|
48
|
46
|
46
|
45
|
48
|
37
|
35
|
30
|
28
|
43
|
|||
|
2025/01
|
49
|
33
|
40
|
43
|
46
|
46
|
40
|
45
|
30
|
40
|
33
|
38
|
48
|
35
|
70
|
63
|
48
|
42
|
37
|
37
|
41
|
42
|
37
|
22
|
22
|
33
|
29
|
33
|
35
|
31
|
35
|
|
2024/12
|
22
|
23
|
22
|
23
|
27
|
30
|
30
|
27
|
20
|
32
|
35
|
35
|
33
|
25
|
20
|
19
|
24
|
30
|
27
|
29
|
33
|
25
|
26
|
34
|
28
|
37
|
49
|
55
|
31
|
30
|
35
|
|
2024/11
|
29
|
43
|
41
|
41
|
41
|
61
|
26
|
12
|
18
|
30
|
26
|
17
|
20
|
22
|
22
|
28
|
32
|
30
|
28
|
28
|
25
|
17
|
20
|
19
|
34
|
28
|
28
|
26
|
9
|
12
|
|
|
2024/10
|
10
|
29
|
20
|
17
|
11
|
18
|
25
|
24
|
25
|
17
|
15
|
21
|
24
|
26
|
26
|
23
|
15
|
32
|
31
|
29
|
15
|
23
|
22
|
21
|
27
|
30
|
49
|
51
|
53
|
40
|
33
|
|
2024/09
|
21
|
24
|
27
|
24
|
17
|
32
|
32
|
21
|
17
|
14
|
21
|
22
|
27
|
25
|
27
|
19
|
25
|
25
|
32
|
35
|
34
|
25
|
27
|
40
|
34
|
38
|
21
|
16
|
17
|
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
*: primary pollution