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
26 Apr
Sat
27 Apr
Sun
28 Apr
Mon
29 Apr
Tue
30 Apr
Wed
1 May
Thu
2 May
Real-time AQI (Monitoring Station in Dali Prefecture)
大理市环境监测站
4121
PM2.5
40
PM10
129
O3
0.5
CO
7
SO2
5
NO2
大理古城
4229
PM2.5
36
PM10
123
O3
0.6
CO
8
SO2
11
NO2
Air quality in the last 12 months (Dali Prefecture)
|
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
|
|
2023/11
|
26
|
24
|
25
|
22
|
24
|
25
|
26
|
27
|
25
|
25
|
28
|
26
|
24
|
22
|
22
|
28
|
34
|
21
|
20
|
21
|
25
|
26
|
25
|
23
|
23
|
26
|
27
|
27
|
31
|
29
|
|
|
2023/10
|
24
|
20
|
19
|
19
|
19
|
20
|
16
|
18
|
16
|
17
|
16
|
15
|
19
|
19
|
22
|
25
|
25
|
25
|
26
|
25
|
26
|
27
|
27
|
28
|
20
|
20
|
24
|
22
|
23
|
25
|
23
|
|
2023/09
|
22
|
27
|
29
|
33
|
36
|
32
|
26
|
25
|
24
|
27
|
22
|
22
|
24
|
25
|
29
|
32
|
27
|
21
|
15
|
18
|
18
|
18
|
20
|
19
|
20
|
21
|
25
|
22
|
19
|
16
|
|
|
2023/08
|
15
|
18
|
23
|
18
|
16
|
14
|
17
|
22
|
26
|
22
|
25
|
25
|
22
|
23
|
23
|
27
|
26
|
23
|
21
|
19
|
20
|
23
|
18
|
14
|
16
|
15
|
15
|
51
|
37
|
33
|
25
|
|
2023/07
|
20
|
19
|
19
|
18
|
20
|
13
|
15
|
16
|
16
|
14
|
12
|
13
|
12
|
14
|
23
|
29
|
36
|
37
|
37
|
24
|
18
|
19
|
18
|
16
|
20
|
20
|
21
|
20
|
22
|
25
|
25
|
|
2023/06
|
36
|
34
|
32
|
35
|
37
|
43
|
30
|
24
|
24
|
28
|
30
|
26
|
23
|
23
|
24
|
41
|
24
|
25
|
27
|
29
|
20
|
22
|
19
|
25
|
30
|
32
|
28
|
22
|
18
|
19
|
|
|
2023/05
|
36
|
37
|
29
|
30
|
31
|
34
|
36
|
38
|
42
|
58
|
57
|
55
|
49
|
34
|
32
|
28
|
44
|
35
|
35
|
40
|
39
|
38
|
42
|
38
|
34
|
31
|
32
|
34
|
34
|
35
|
36
|
|
2023/04
|
41
|
32
|
33
|
34
|
34
|
37
|
37
|
35
|
51
|
49
|
63
|
72
|
67
|
73
|
80
|
74
|
71
|
61
|
60
|
56
|
54
|
52
|
41
|
36
|
35
|
37
|
39
|
42
|
42
|
37
|
|
|
2023/03
|
48
|
41
|
37
|
45
|
52
|
57
|
58
|
47
|
49
|
54
|
46
|
48
|
48
|
57
|
64
|
36
|
40
|
56
|
45
|
28
|
28
|
29
|
30
|
31
|
35
|
34
|
54
|
39
|
34
|
40
|
43
|
|
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