Air Quality
Excellent
No health implications.
9
PM2.5
22
PM10
29
O3
0.7
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Sep
35
Excellent
Wed
10 Sep
35
Excellent
Thu
11 Sep
36
Excellent
Fri
12 Sep
34
Excellent
Sat
13 Sep
35
Excellent
Sun
14 Sep
16
Excellent
Mon
15 Sep
28
Excellent
Real-time AQI (Monitoring Station in Dali Prefecture)
大理古城
229
PM2.5
22
PM10
29
O3
0.7
CO
6
SO2
12
NO2
Air quality in the last 12 months (Dali Prefecture)
|
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
|
|
|
2024/10
|
18
|
16
|
20
|
16
|
15
|
18
|
19
|
20
|
23
|
23
|
25
|
33
|
29
|
28
|
28
|
23
|
22
|
29
|
31
|
26
|
27
|
29
|
29
|
22
|
23
|
28
|
33
|
51
|
35
|
29
|
30
|
|
2024/09
|
20
|
22
|
20
|
18
|
17
|
24
|
31
|
30
|
23
|
17
|
22
|
23
|
23
|
25
|
24
|
28
|
23
|
25
|
31
|
32
|
34
|
29
|
27
|
30
|
30
|
26
|
23
|
23
|
19
|
22
|
|
|
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
Air quality source: CNEMC
*: primary pollution