Air Quality
Excellent
No health implications.
7
PM2.5
16
PM10
90
O3
0.2
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
42
Excellent
Wed
16 Jul
41
Excellent
Thu
17 Jul
40
Excellent
Fri
18 Jul
44
Excellent
Sat
19 Jul
43
Excellent
Sun
20 Jul
39
Excellent
Mon
21 Jul
46
Excellent
Derong Air quality rank
Air quality in the last 12 months (Derong)
|
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
|
|
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
|
|
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