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
15 Jun
Tue
16 Jun
Wed
17 Jun
Thu
18 Jun
Fri
19 Jun
Sat
20 Jun
Sun
21 Jun
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
183
PM2.5
8
PM10
57
O3
0.5
CO
5
SO2
5
NO2
大理古城
208
PM2.5
9
PM10
61
O3
0.3
CO
4
SO2
7
NO2
Air quality in the last 12 months (Dali Prefecture)
|
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
|
|
|
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
|
|
|
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