Air Quality
Excellent
No health implications.
9
PM2.5
14
PM10
50
O3
0.7
CO
13
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
52
Good
Tue
18 Mar
51
Good
Wed
19 Mar
48
Excellent
Thu
20 Mar
53
Good
Fri
21 Mar
50
Excellent
Sat
22 Mar
47
Excellent
Sun
23 Mar
35
Excellent
Air quality in the last 12 months (Dechang)
|
2025/02
|
41
|
33
|
16
|
35
|
47
|
32
|
24
|
26
|
30
|
32
|
36
|
32
|
38
|
43
|
31
|
38
|
32
|
37
|
42
|
29
|
36
|
34
|
33
|
35
|
32
|
31
|
32
|
33
|
|||
|
2025/01
|
58
|
49
|
53
|
51
|
45
|
56
|
43
|
28
|
32
|
35
|
22
|
40
|
44
|
41
|
38
|
54
|
46
|
51
|
49
|
55
|
51
|
50
|
52
|
44
|
30
|
31
|
42
|
47
|
39
|
42
|
34
|
|
2024/12
|
42
|
42
|
42
|
45
|
40
|
40
|
39
|
42
|
34
|
34
|
39
|
50
|
36
|
28
|
35
|
52
|
51
|
42
|
42
|
40
|
44
|
41
|
42
|
46
|
47
|
51
|
57
|
56
|
57
|
50
|
49
|
|
2024/11
|
28
|
20
|
27
|
25
|
21
|
36
|
23
|
14
|
22
|
26
|
29
|
29
|
28
|
35
|
41
|
41
|
37
|
33
|
34
|
36
|
39
|
25
|
25
|
28
|
32
|
26
|
27
|
27
|
29
|
36
|
|
|
2024/10
|
11
|
20
|
21
|
28
|
24
|
16
|
14
|
18
|
20
|
17
|
19
|
26
|
26
|
28
|
22
|
23
|
28
|
32
|
38
|
32
|
28
|
25
|
29
|
27
|
36
|
26
|
14
|
29
|
39
|
34
|
34
|
|
2024/09
|
23
|
16
|
23
|
24
|
17
|
20
|
27
|
24
|
24
|
15
|
19
|
23
|
26
|
30
|
34
|
19
|
20
|
21
|
33
|
34
|
32
|
26
|
27
|
30
|
22
|
31
|
35
|
22
|
26
|
21
|
|
|
2024/08
|
31
|
39
|
38
|
30
|
26
|
23
|
21
|
21
|
21
|
20
|
34
|
33
|
33
|
37
|
39
|
32
|
31
|
25
|
31
|
31
|
36
|
41
|
37
|
39
|
34
|
33
|
31
|
40
|
37
|
44
|
29
|
|
2024/07
|
24
|
23
|
22
|
15
|
14
|
19
|
18
|
19
|
20
|
28
|
16
|
19
|
27
|
22
|
22
|
23
|
23
|
26
|
24
|
23
|
25
|
27
|
28
|
28
|
22
|
30
|
34
|
27
|
18
|
13
|
25
|
|
2024/06
|
28
|
32
|
20
|
19
|
17
|
24
|
20
|
18
|
13
|
18
|
19
|
20
|
25
|
21
|
24
|
35
|
17
|
21
|
19
|
40
|
34
|
25
|
21
|
17
|
22
|
29
|
27
|
20
|
22
|
26
|
|
|
2024/05
|
30
|
37
|
38
|
25
|
39
|
44
|
38
|
33
|
28
|
30
|
22
|
15
|
22
|
29
|
18
|
29
|
29
|
23
|
21
|
24
|
28
|
30
|
25
|
30
|
25
|
16
|
18
|
25
|
20
|
18
|
18
|
|
2024/04
|
18
|
29
|
35
|
37
|
34
|
39
|
35
|
28
|
33
|
33
|
31
|
39
|
32
|
42
|
44
|
47
|
51
|
36
|
35
|
30
|
16
|
30
|
27
|
27
|
27
|
33
|
34
|
41
|
27
|
33
|
|
|
2024/03
|
25
|
33
|
29
|
29
|
19
|
24
|
28
|
22
|
29
|
35
|
28
|
51
|
46
|
36
|
35
|
38
|
42
|
35
|
48
|
59
|
50
|
29
|
19
|
26
|
32
|
37
|
30
|
24
|
31
|
36
|
30
|
|
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