Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
30
O3
0.3
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Dec
34
Excellent
Mon
29 Dec
34
Excellent
Tue
30 Dec
31
Excellent
Wed
31 Dec
36
Excellent
Thu
1 Jan
37
Excellent
Fri
2 Jan
33
Excellent
Sat
3 Jan
31
Excellent
Air quality in the last 12 months (Derong)
|
2025/11
|
16
|
15
|
17
|
18
|
22
|
13
|
22
|
26
|
22
|
22
|
22
|
23
|
21
|
25
|
31
|
31
|
29
|
26
|
27
|
24
|
23
|
25
|
21
|
25
|
24
|
28
|
29
|
30
|
30
|
31
|
|
|
2025/10
|
18
|
17
|
18
|
15
|
15
|
18
|
19
|
17
|
16
|
15
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
21
|
19
|
15
|
22
|
20
|
21
|
19
|
20
|
14
|
23
|
24
|
24
|
22
|
21
|
|
2025/09
|
15
|
17
|
16
|
14
|
15
|
14
|
14
|
13
|
15
|
13
|
14
|
17
|
21
|
21
|
21
|
15
|
13
|
14
|
15
|
15
|
14
|
17
|
14
|
22
|
23
|
23
|
18
|
15
|
15
|
17
|
|
|
2025/08
|
19
|
19
|
20
|
20
|
18
|
21
|
20
|
20
|
17
|
15
|
17
|
17
|
17
|
18
|
18
|
18
|
17
|
16
|
16
|
18
|
16
|
16
|
15
|
14
|
12
|
17
|
18
|
16
|
15
|
13
|
14
|
|
2025/07
|
21
|
17
|
18
|
16
|
14
|
16
|
16
|
19
|
21
|
24
|
25
|
19
|
22
|
17
|
16
|
21
|
24
|
25
|
17
|
19
|
18
|
18
|
16
|
19
|
20
|
16
|
18
|
18
|
20
|
18
|
17
|
|
2025/06
|
13
|
15
|
18
|
22
|
20
|
18
|
21
|
18
|
18
|
21
|
20
|
23
|
23
|
23
|
21
|
20
|
16
|
18
|
13
|
12
|
16
|
19
|
18
|
14
|
16
|
17
|
20
|
23
|
19
|
23
|
|
|
2025/05
|
22
|
21
|
18
|
15
|
19
|
15
|
18
|
25
|
29
|
30
|
32
|
24
|
18
|
19
|
15
|
18
|
22
|
19
|
19
|
18
|
16
|
22
|
17
|
16
|
22
|
19
|
12
|
13
|
17
|
16
|
13
|
|
2025/04
|
47
|
43
|
41
|
37
|
30
|
35
|
40
|
40
|
37
|
38
|
23
|
14
|
16
|
20
|
23
|
17
|
21
|
22
|
25
|
18
|
17
|
19
|
13
|
14
|
25
|
33
|
36
|
38
|
26
|
28
|
|
|
2025/03
|
23
|
16
|
24
|
23
|
24
|
29
|
39
|
37
|
29
|
34
|
34
|
38
|
26
|
16
|
16
|
21
|
16
|
16
|
27
|
35
|
30
|
18
|
22
|
21
|
22
|
17
|
23
|
44
|
47
|
51
|
44
|
|
2025/02
|
23
|
26
|
32
|
34
|
33
|
27
|
30
|
29
|
22
|
27
|
20
|
21
|
21
|
19
|
26
|
22
|
23
|
22
|
19
|
24
|
25
|
22
|
26
|
20
|
25
|
20
|
24
|
36
|
|||
|
2025/01
|
30
|
30
|
31
|
32
|
31
|
30
|
24
|
20
|
21
|
23
|
27
|
28
|
24
|
26
|
24
|
27
|
27
|
30
|
35
|
26
|
29
|
27
|
25
|
20
|
21
|
22
|
20
|
19
|
30
|
18
|
14
|
|
2024/12
|
30
|
28
|
25
|
28
|
29
|
30
|
21
|
30
|
27
|
22
|
33
|
32
|
25
|
28
|
30
|
29
|
34
|
29
|
29
|
32
|
27
|
23
|
28
|
28
|
28
|
31
|
29
|
32
|
33
|
23
|
23
|
|
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