Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
85
O3
0.4
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Mar
50
Excellent
Wed
4 Mar
51
Good
Thu
5 Mar
48
Excellent
Fri
6 Mar
50
Excellent
Sat
7 Mar
48
Excellent
Sun
8 Mar
27
Excellent
Mon
9 Mar
28
Excellent
Air quality in the last 12 months (Deqin)
|
2026/01
|
35
|
24
|
20
|
24
|
26
|
26
|
23
|
32
|
29
|
27
|
23
|
26
|
26
|
29
|
27
|
27
|
23
|
30
|
31
|
29
|
27
|
25
|
30
|
29
|
31
|
25
|
22
|
24
|
28
|
23
|
25
|
|
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
|
|||
|
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