Air Quality
Excellent
No health implications.
2
PM2.5
9
PM10
50
O3
0.4
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
35
Excellent
Sat
21 Jun
46
Excellent
Sun
22 Jun
41
Excellent
Mon
23 Jun
54
Good
Tue
24 Jun
58
Good
Wed
25 Jun
48
Excellent
Thu
26 Jun
48
Excellent
Air quality in the last 12 months (Derong)
|
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
|
|
2024/11
|
24
|
29
|
27
|
22
|
20
|
21
|
21
|
22
|
20
|
27
|
22
|
25
|
27
|
26
|
29
|
27
|
26
|
25
|
23
|
21
|
21
|
21
|
21
|
17
|
25
|
19
|
26
|
23
|
24
|
27
|
|
|
2024/10
|
15
|
12
|
13
|
11
|
13
|
11
|
11
|
13
|
14
|
13
|
13
|
14
|
16
|
18
|
19
|
12
|
18
|
23
|
22
|
25
|
25
|
25
|
26
|
17
|
15
|
21
|
21
|
21
|
21
|
23
|
24
|
|
2024/09
|
17
|
16
|
14
|
14
|
17
|
21
|
21
|
18
|
18
|
16
|
15
|
14
|
16
|
14
|
16
|
16
|
16
|
19
|
21
|
21
|
21
|
22
|
21
|
16
|
12
|
13
|
13
|
13
|
15
|
17
|
|
|
2024/08
|
22
|
20
|
22
|
16
|
16
|
21
|
21
|
19
|
19
|
15
|
19
|
19
|
19
|
27
|
20
|
19
|
16
|
17
|
20
|
16
|
19
|
20
|
29
|
29
|
29
|
29
|
26
|
23
|
24
|
27
|
20
|
|
2024/07
|
17
|
19
|
15
|
13
|
15
|
15
|
14
|
13
|
14
|
14
|
15
|
17
|
16
|
14
|
13
|
13
|
16
|
16
|
16
|
13
|
12
|
13
|
19
|
17
|
18
|
19
|
16
|
17
|
14
|
19
|
22
|
|
2024/06
|
19
|
17
|
16
|
13
|
18
|
16
|
17
|
15
|
16
|
17
|
15
|
15
|
14
|
16
|
14
|
12
|
16
|
13
|
13
|
13
|
17
|
15
|
16
|
14
|
13
|
13
|
15
|
13
|
15
|
18
|
|
|
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