Air Quality
Excellent
No health implications.
1
PM2.5
9
PM10
98
O3
0.5
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
50
Excellent
Tue
12 May
49
Excellent
Wed
13 May
50
Excellent
Thu
14 May
54
Good
Fri
15 May
50
Excellent
Sat
16 May
53
Good
Sun
17 May
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