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
24 Dec
Wed
25 Dec
Thu
26 Dec
Fri
27 Dec
Sat
28 Dec
Sun
29 Dec
Mon
30 Dec
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
2819
PM2.5
19
PM10
66
O3
0.5
CO
7
SO2
7
NO2
大理古城
2411
PM2.5
24
PM10
62
O3
0.6
CO
5
SO2
6
NO2
Air quality in the last 12 months (Dali Prefecture)
|
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
|
|
|
2024/08
|
22
|
30
|
19
|
16
|
15
|
17
|
16
|
18
|
33
|
27
|
21
|
31
|
29
|
41
|
39
|
30
|
32
|
31
|
19
|
20
|
21
|
28
|
29
|
23
|
26
|
24
|
24
|
33
|
29
|
29
|
21
|
|
2024/07
|
11
|
14
|
13
|
15
|
15
|
20
|
16
|
16
|
19
|
19
|
14
|
13
|
17
|
19
|
16
|
17
|
24
|
22
|
22
|
29
|
14
|
15
|
16
|
18
|
23
|
20
|
21
|
27
|
24
|
26
|
23
|
|
2024/06
|
40
|
37
|
33
|
35
|
31
|
28
|
23
|
24
|
20
|
24
|
33
|
36
|
15
|
18
|
18
|
23
|
28
|
26
|
29
|
36
|
37
|
36
|
29
|
16
|
16
|
24
|
15
|
15
|
15
|
13
|
|
|
2024/05
|
41
|
42
|
34
|
57
|
54
|
32
|
36
|
38
|
25
|
31
|
34
|
32
|
35
|
31
|
30
|
33
|
34
|
37
|
37
|
20
|
24
|
32
|
25
|
23
|
20
|
16
|
14
|
11
|
21
|
40
|
30
|
|
2024/04
|
33
|
33
|
49
|
44
|
39
|
54
|
41
|
45
|
40
|
45
|
50
|
59
|
50
|
47
|
51
|
58
|
62
|
61
|
51
|
49
|
37
|
52
|
54
|
47
|
37
|
49
|
58
|
57
|
53
|
51
|
|
|
2024/03
|
32
|
30
|
31
|
35
|
34
|
30
|
32
|
27
|
24
|
36
|
35
|
54
|
51
|
47
|
53
|
51
|
57
|
46
|
49
|
55
|
43
|
28
|
21
|
30
|
29
|
34
|
35
|
37
|
37
|
48
|
37
|
|
2024/02
|
38
|
49
|
33
|
31
|
34
|
30
|
29
|
35
|
52
|
69
|
57
|
33
|
32
|
30
|
29
|
32
|
30
|
30
|
30
|
30
|
41
|
45
|
57
|
41
|
36
|
39
|
32
|
31
|
29
|
||
|
2024/01
|
26
|
24
|
23
|
24
|
26
|
27
|
29
|
28
|
26
|
29
|
33
|
32
|
32
|
34
|
27
|
30
|
24
|
30
|
40
|
37
|
32
|
33
|
37
|
34
|
29
|
26
|
28
|
27
|
28
|
28
|
27
|
|
2023/12
|
26
|
24
|
23
|
28
|
23
|
26
|
27
|
16
|
20
|
23
|
23
|
21
|
21
|
22
|
23
|
23
|
23
|
24
|
22
|
24
|
24
|
26
|
28
|
31
|
22
|
21
|
25
|
25
|
25
|
27
|
26
|
|
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