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
12 Nov
Thu
13 Nov
Fri
14 Nov
Sat
15 Nov
Sun
16 Nov
Mon
17 Nov
Tue
18 Nov
Dali Prefecture Air quality rank
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
189
PM2.5
12
PM10
56
O3
0.3
CO
6
SO2
10
NO2
大理古城
3524
PM2.5
27
PM10
57
O3
0.5
CO
7
SO2
20
NO2
Air quality in the last 12 months (Dali Prefecture)
|
2025/10
|
15
|
14
|
14
|
15
|
16
|
18
|
19
|
13
|
15
|
14
|
16
|
15
|
16
|
17
|
18
|
19
|
13
|
13
|
12
|
14
|
16
|
19
|
22
|
18
|
16
|
18
|
19
|
21
|
21
|
21
|
21
|
|
2025/09
|
21
|
19
|
20
|
20
|
24
|
26
|
21
|
19
|
22
|
22
|
20
|
19
|
18
|
17
|
18
|
15
|
17
|
18
|
16
|
15
|
18
|
19
|
19
|
16
|
23
|
20
|
14
|
16
|
15
|
12
|
|
|
2025/08
|
21
|
21
|
18
|
18
|
18
|
23
|
21
|
16
|
17
|
18
|
16
|
20
|
17
|
24
|
28
|
29
|
20
|
21
|
23
|
21
|
17
|
16
|
16
|
17
|
18
|
23
|
22
|
19
|
20
|
24
|
24
|
|
2025/07
|
20
|
23
|
17
|
17
|
16
|
18
|
17
|
17
|
18
|
22
|
22
|
25
|
29
|
31
|
22
|
27
|
28
|
26
|
29
|
28
|
22
|
23
|
22
|
20
|
18
|
18
|
20
|
21
|
24
|
26
|
20
|
|
2025/06
|
15
|
14
|
15
|
34
|
36
|
32
|
22
|
24
|
26
|
21
|
26
|
31
|
32
|
31
|
20
|
16
|
17
|
15
|
13
|
16
|
17
|
13
|
15
|
14
|
18
|
14
|
17
|
17
|
19
|
17
|
|
|
2025/05
|
30
|
25
|
29
|
21
|
26
|
27
|
24
|
25
|
25
|
39
|
25
|
30
|
32
|
29
|
35
|
32
|
31
|
23
|
27
|
28
|
27
|
25
|
37
|
22
|
17
|
18
|
14
|
13
|
13
|
13
|
14
|
|
2025/04
|
85
|
67
|
64
|
63
|
60
|
59
|
51
|
58
|
62
|
46
|
41
|
43
|
24
|
28
|
35
|
28
|
30
|
25
|
25
|
23
|
25
|
25
|
39
|
48
|
57
|
57
|
58
|
56
|
37
|
40
|
|
|
2025/03
|
38
|
48
|
33
|
37
|
43
|
48
|
53
|
60
|
56
|
47
|
45
|
63
|
74
|
52
|
42
|
44
|
45
|
56
|
23
|
43
|
62
|
43
|
48
|
34
|
32
|
27
|
31
|
62
|
97
|
75
|
72
|
|
2025/02
|
50
|
51
|
50
|
46
|
38
|
47
|
49
|
33
|
36
|
30
|
29
|
31
|
40
|
52
|
34
|
37
|
39
|
40
|
49
|
34
|
36
|
36
|
38
|
40
|
34
|
25
|
22
|
33
|
|||
|
2025/01
|
27
|
27
|
30
|
29
|
31
|
32
|
25
|
25
|
23
|
25
|
32
|
35
|
32
|
36
|
39
|
40
|
29
|
28
|
26
|
26
|
35
|
46
|
35
|
24
|
28
|
35
|
31
|
45
|
49
|
37
|
38
|
|
2024/12
|
26
|
25
|
22
|
21
|
22
|
21
|
25
|
24
|
21
|
29
|
35
|
35
|
25
|
25
|
22
|
27
|
38
|
20
|
22
|
19
|
21
|
17
|
19
|
24
|
22
|
32
|
38
|
39
|
25
|
21
|
24
|
|
2024/11
|
32
|
36
|
27
|
29
|
27
|
31
|
18
|
17
|
20
|
24
|
24
|
22
|
22
|
23
|
27
|
30
|
30
|
26
|
24
|
24
|
23
|
20
|
20
|
21
|
22
|
21
|
21
|
22
|
24
|
24
|
|
|
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