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
23 Jan
Fri
24 Jan
Sat
25 Jan
Sun
26 Jan
Mon
27 Jan
Tue
28 Jan
Wed
29 Jan
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
4330
PM2.5
31
PM10
73
O3
0.6
CO
7
SO2
9
NO2
大理古城
3016
PM2.5
30
PM10
66
O3
0.8
CO
6
SO2
14
NO2
Air quality in the last 12 months (Dali Prefecture)
|
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
|
|
|
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
|
|
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