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
20 Oct
Wed
21 Oct
Thu
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
209
PM2.5
20
PM10
64
O3
0.2
CO
6
SO2
8
NO2
大理古城
2014
PM2.5
18
PM10
49
O3
0.7
CO
5
SO2
17
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