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
17 Oct
Sat
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Real-time AQI (Monitoring Station in Lijiang)
西南郊
139
PM2.5
12
PM10
39
O3
1.1
CO
7
SO2
4
NO2
丽江古城
226
PM2.5
22
PM10
44
O3
0.5
CO
10
SO2
8
NO2
Air quality in the last 12 months (Lijiang)
|
2025/08
|
20
|
16
|
16
|
18
|
18
|
24
|
19
|
23
|
17
|
20
|
18
|
13
|
17
|
27
|
25
|
18
|
14
|
18
|
25
|
18
|
15
|
15
|
15
|
11
|
13
|
20
|
23
|
21
|
11
|
14
|
17
|
|
2025/07
|
20
|
18
|
15
|
14
|
10
|
11
|
12
|
14
|
18
|
18
|
23
|
19
|
21
|
30
|
20
|
23
|
23
|
27
|
18
|
21
|
19
|
20
|
16
|
15
|
18
|
15
|
14
|
16
|
22
|
23
|
15
|
|
2025/06
|
12
|
20
|
14
|
25
|
24
|
16
|
17
|
21
|
20
|
17
|
25
|
23
|
34
|
24
|
18
|
20
|
13
|
12
|
12
|
15
|
15
|
11
|
15
|
18
|
13
|
15
|
16
|
20
|
16
|
17
|
|
|
2025/05
|
21
|
21
|
22
|
14
|
16
|
17
|
20
|
19
|
26
|
31
|
22
|
28
|
23
|
21
|
23
|
25
|
29
|
27
|
25
|
19
|
15
|
21
|
24
|
14
|
14
|
23
|
15
|
16
|
13
|
15
|
14
|
|
2025/04
|
62
|
55
|
52
|
41
|
41
|
38
|
43
|
41
|
36
|
38
|
29
|
30
|
22
|
31
|
33
|
21
|
26
|
27
|
23
|
22
|
20
|
19
|
25
|
26
|
41
|
35
|
38
|
43
|
31
|
34
|
|
|
2025/03
|
28
|
19
|
19
|
28
|
31
|
41
|
46
|
55
|
39
|
40
|
36
|
40
|
47
|
29
|
17
|
32
|
18
|
25
|
19
|
34
|
46
|
26
|
22
|
23
|
24
|
20
|
21
|
36
|
81
|
70
|
62
|
|
2025/02
|
25
|
27
|
45
|
42
|
28
|
27
|
30
|
26
|
23
|
23
|
23
|
25
|
29
|
29
|
22
|
30
|
24
|
33
|
16
|
19
|
22
|
23
|
32
|
28
|
29
|
18
|
16
|
23
|
|||
|
2025/01
|
30
|
33
|
45
|
42
|
40
|
31
|
23
|
27
|
27
|
24
|
32
|
29
|
20
|
23
|
37
|
53
|
34
|
18
|
21
|
35
|
57
|
38
|
23
|
16
|
19
|
24
|
28
|
50
|
57
|
22
|
20
|
|
2024/12
|
21
|
17
|
17
|
22
|
20
|
23
|
23
|
22
|
18
|
23
|
24
|
32
|
24
|
20
|
18
|
22
|
22
|
35
|
24
|
21
|
27
|
21
|
27
|
30
|
25
|
34
|
33
|
46
|
24
|
24
|
24
|
|
2024/11
|
28
|
34
|
27
|
28
|
18
|
24
|
15
|
13
|
17
|
23
|
21
|
19
|
22
|
24
|
26
|
32
|
36
|
25
|
21
|
22
|
18
|
22
|
18
|
17
|
20
|
22
|
22
|
25
|
23
|
21
|
|
|
2024/10
|
15
|
13
|
18
|
21
|
19
|
18
|
18
|
18
|
16
|
19
|
16
|
14
|
16
|
21
|
20
|
15
|
15
|
20
|
26
|
20
|
30
|
27
|
21
|
14
|
16
|
23
|
21
|
41
|
32
|
20
|
21
|
|
2024/09
|
18
|
18
|
21
|
17
|
14
|
20
|
25
|
25
|
20
|
14
|
16
|
17
|
24
|
28
|
24
|
23
|
19
|
18
|
25
|
24
|
28
|
25
|
25
|
30
|
28
|
20
|
20
|
14
|
14
|
19
|
|
|
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