Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
41
O3
0.5
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
40
Excellent
Mon
1 Jun
39
Excellent
Tue
2 Jun
39
Excellent
Wed
3 Jun
39
Excellent
Thu
4 Jun
36
Excellent
Fri
5 Jun
34
Excellent
Sat
6 Jun
30
Excellent
Air quality in the last 12 months (Derong)
|
2026/04
|
23
|
24
|
22
|
22
|
23
|
27
|
27
|
31
|
31
|
36
|
32
|
32
|
37
|
37
|
34
|
27
|
27
|
27
|
29
|
26
|
26
|
27
|
28
|
26
|
29
|
30
|
31
|
28
|
22
|
22
|
|
|
2026/03
|
31
|
34
|
33
|
30
|
30
|
34
|
43
|
42
|
35
|
32
|
28
|
30
|
28
|
27
|
25
|
26
|
29
|
29
|
28
|
26
|
28
|
27
|
28
|
25
|
29
|
29
|
28
|
29
|
28
|
25
|
23
|
|
2026/02
|
23
|
22
|
22
|
18
|
18
|
22
|
21
|
18
|
21
|
19
|
21
|
21
|
22
|
17
|
19
|
22
|
26
|
38
|
23
|
21
|
24
|
27
|
22
|
25
|
22
|
18
|
22
|
28
|
|||
|
2026/01
|
36
|
24
|
20
|
24
|
26
|
25
|
22
|
32
|
30
|
27
|
22
|
26
|
26
|
29
|
27
|
27
|
24
|
30
|
32
|
30
|
29
|
26
|
30
|
29
|
31
|
26
|
23
|
24
|
27
|
21
|
23
|
|
2025/12
|
31
|
30
|
29
|
29
|
30
|
32
|
32
|
30
|
30
|
33
|
28
|
33
|
33
|
32
|
29
|
31
|
32
|
26
|
28
|
31
|
33
|
37
|
32
|
29
|
26
|
31
|
31
|
32
|
30
|
30
|
33
|
|
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
|
|
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