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
9 Sep
Thu
10 Sep
Fri
11 Sep
Sat
12 Sep
Sun
13 Sep
Mon
14 Sep
Tue
15 Sep
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
2011
PM2.5
12
PM10
64
O3
0.5
CO
5
SO2
10
NO2
大理古城
3222
PM2.5
32
PM10
64
O3
0.6
CO
6
SO2
16
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