Air Quality
Excellent
No health implications.
15
PM2.5
16
PM10
45
O3
0.4
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jan
33
Excellent
Fri
30 Jan
31
Excellent
Sat
31 Jan
32
Excellent
Sun
1 Feb
29
Excellent
Mon
2 Feb
35
Excellent
Tue
3 Feb
33
Excellent
Wed
4 Feb
46
Excellent
Deqin Air quality rank
Air quality in the last 12 months (Deqin)
|
2025/12
|
30
|
30
|
29
|
29
|
30
|
32
|
32
|
31
|
30
|
32
|
28
|
32
|
32
|
32
|
29
|
31
|
32
|
26
|
27
|
30
|
33
|
37
|
32
|
29
|
27
|
31
|
30
|
31
|
30
|
30
|
32
|
|
2025/11
|
18
|
15
|
17
|
18
|
21
|
13
|
22
|
26
|
22
|
22
|
22
|
23
|
21
|
25
|
31
|
31
|
29
|
26
|
28
|
24
|
23
|
25
|
20
|
24
|
24
|
27
|
30
|
30
|
30
|
31
|
|
|
2025/10
|
18
|
17
|
18
|
15
|
16
|
18
|
19
|
17
|
17
|
16
|
15
|
16
|
17
|
18
|
19
|
20
|
22
|
21
|
19
|
15
|
22
|
21
|
21
|
20
|
20
|
15
|
23
|
24
|
24
|
23
|
23
|
|
2025/09
|
15
|
17
|
16
|
15
|
15
|
14
|
14
|
14
|
15
|
14
|
14
|
17
|
20
|
20
|
21
|
15
|
13
|
14
|
15
|
15
|
14
|
17
|
14
|
22
|
23
|
23
|
18
|
15
|
15
|
16
|
|
|
2025/08
|
18
|
18
|
18
|
19
|
17
|
20
|
19
|
19
|
16
|
14
|
17
|
16
|
16
|
17
|
18
|
18
|
17
|
16
|
16
|
18
|
16
|
16
|
15
|
14
|
12
|
16
|
18
|
16
|
15
|
13
|
15
|
|
2025/07
|
20
|
17
|
18
|
16
|
14
|
16
|
16
|
18
|
21
|
24
|
24
|
19
|
21
|
17
|
15
|
20
|
23
|
24
|
18
|
19
|
18
|
18
|
16
|
19
|
19
|
15
|
16
|
18
|
20
|
18
|
16
|
|
2025/06
|
13
|
14
|
18
|
22
|
21
|
18
|
21
|
19
|
18
|
20
|
20
|
22
|
23
|
23
|
21
|
19
|
15
|
17
|
13
|
13
|
16
|
19
|
17
|
14
|
16
|
17
|
20
|
23
|
18
|
23
|
|
|
2025/05
|
22
|
20
|
18
|
15
|
19
|
15
|
19
|
24
|
28
|
30
|
32
|
24
|
18
|
18
|
16
|
18
|
23
|
19
|
20
|
17
|
16
|
21
|
17
|
17
|
21
|
19
|
12
|
13
|
16
|
15
|
13
|
|
2025/04
|
49
|
44
|
40
|
38
|
32
|
36
|
41
|
41
|
38
|
37
|
23
|
15
|
17
|
21
|
24
|
17
|
21
|
23
|
24
|
18
|
17
|
19
|
15
|
14
|
26
|
33
|
36
|
38
|
25
|
28
|
|
|
2025/03
|
25
|
16
|
23
|
22
|
25
|
30
|
39
|
38
|
29
|
35
|
35
|
38
|
27
|
16
|
16
|
21
|
16
|
16
|
27
|
36
|
32
|
17
|
20
|
20
|
21
|
17
|
24
|
43
|
52
|
52
|
45
|
|
2025/02
|
25
|
28
|
35
|
35
|
34
|
28
|
32
|
29
|
23
|
28
|
21
|
22
|
22
|
19
|
26
|
23
|
24
|
24
|
19
|
24
|
26
|
22
|
27
|
21
|
26
|
20
|
24
|
38
|
|||
|
2025/01
|
30
|
30
|
30
|
32
|
29
|
29
|
24
|
21
|
21
|
23
|
27
|
28
|
24
|
25
|
24
|
27
|
27
|
28
|
32
|
25
|
30
|
28
|
26
|
19
|
22
|
25
|
22
|
21
|
38
|
23
|
17
|
|
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
Air quality source: CNEMC
*: primary pollution