Air Quality
Excellent
No health implications.
31
PM2.5
47
PM10
114
O3
0.5
CO
10
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Mar
60
Good
Mon
31 Mar
58
Good
Tue
1 Apr
58
Good
Wed
2 Apr
62
Good
Thu
3 Apr
61
Good
Fri
4 Apr
43
Excellent
Sat
5 Apr
46
Excellent
Air quality in the last 12 months (Derong)
|
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
|
|
|
2024/05
|
21
|
26
|
28
|
28
|
30
|
22
|
30
|
18
|
21
|
19
|
18
|
16
|
19
|
17
|
17
|
18
|
16
|
24
|
36
|
22
|
19
|
16
|
17
|
20
|
20
|
24
|
13
|
11
|
13
|
17
|
16
|
|
2024/04
|
14
|
25
|
35
|
25
|
23
|
22
|
22
|
23
|
23
|
31
|
27
|
28
|
26
|
30
|
22
|
34
|
30
|
26
|
33
|
20
|
15
|
22
|
28
|
21
|
20
|
32
|
24
|
32
|
17
|
23
|
|
|
2024/03
|
26
|
31
|
27
|
21
|
22
|
27
|
23
|
20
|
21
|
25
|
25
|
29
|
33
|
29
|
29
|
29
|
29
|
30
|
36
|
33
|
21
|
20
|
15
|
15
|
17
|
20
|
17
|
16
|
17
|
17
|
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