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
26 Oct
Tue
27 Oct
Wed
28 Oct
Thu
29 Oct
Fri
30 Oct
Sat
31 Oct
Sun
1 Nov
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
213
PM2.5
18
PM10
65
O3
0.3
CO
6
SO2
5
NO2
大理古城
183
PM2.5
12
PM10
55
O3
0.1
CO
4
SO2
7
NO2
Air quality in the last 12 months (Dali Prefecture)
|
2026/08
|
13
|
12
|
12
|
18
|
21
|
22
|
30
|
22
|
18
|
21
|
22
|
26
|
23
|
23
|
22
|
19
|
15
|
14
|
19
|
21
|
23
|
19
|
18
|
19
|
24
|
30
|
25
|
23
|
22
|
19
|
23
|
|
2026/07
|
26
|
19
|
20
|
13
|
13
|
12
|
16
|
13
|
14
|
12
|
14
|
21
|
23
|
21
|
19
|
15
|
14
|
13
|
25
|
26
|
28
|
31
|
21
|
32
|
28
|
24
|
19
|
29
|
18
|
14
|
13
|
|
2026/06
|
20
|
19
|
19
|
23
|
24
|
30
|
31
|
27
|
20
|
21
|
23
|
15
|
17
|
16
|
16
|
15
|
15
|
15
|
16
|
16
|
19
|
19
|
15
|
17
|
17
|
18
|
15
|
15
|
17
|
22
|
|
|
2026/05
|
28
|
28
|
25
|
26
|
27
|
30
|
26
|
24
|
27
|
28
|
25
|
29
|
28
|
27
|
26
|
26
|
30
|
32
|
33
|
32
|
32
|
30
|
26
|
30
|
34
|
34
|
32
|
45
|
51
|
22
|
18
|
|
2026/04
|
31
|
32
|
34
|
34
|
42
|
33
|
32
|
31
|
28
|
30
|
37
|
36
|
49
|
57
|
61
|
49
|
39
|
45
|
50
|
37
|
45
|
44
|
39
|
42
|
54
|
50
|
38
|
30
|
27
|
23
|
|
|
2026/03
|
50
|
52
|
46
|
46
|
54
|
79
|
71
|
71
|
57
|
30
|
44
|
63
|
44
|
29
|
27
|
36
|
34
|
32
|
40
|
33
|
34
|
32
|
29
|
29
|
33
|
31
|
39
|
51
|
31
|
30
|
30
|
|
2026/02
|
24
|
21
|
21
|
24
|
23
|
23
|
25
|
25
|
25
|
25
|
19
|
19
|
19
|
19
|
33
|
43
|
55
|
39
|
31
|
26
|
25
|
29
|
35
|
35
|
47
|
54
|
43
|
48
|
|||
|
2026/01
|
34
|
25
|
24
|
21
|
22
|
26
|
24
|
27
|
30
|
30
|
31
|
28
|
28
|
32
|
28
|
26
|
31
|
32
|
27
|
26
|
26
|
23
|
27
|
31
|
29
|
29
|
30
|
32
|
30
|
26
|
26
|
|
2025/12
|
34
|
31
|
28
|
25
|
25
|
25
|
28
|
26
|
29
|
30
|
30
|
30
|
32
|
32
|
30
|
26
|
28
|
30
|
30
|
30
|
27
|
29
|
30
|
30
|
30
|
28
|
28
|
31
|
30
|
28
|
30
|
|
2025/11
|
18
|
18
|
12
|
16
|
12
|
15
|
17
|
19
|
19
|
19
|
17
|
19
|
21
|
31
|
26
|
26
|
24
|
26
|
21
|
21
|
19
|
22
|
22
|
23
|
36
|
39
|
33
|
36
|
35
|
35
|
|
|
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
|
|
|
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