Air Quality
Excellent
No health implications.
19
PM2.5
36
PM10
35
O3
0.4
CO
8
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Dec
44
Excellent
Tue
24 Dec
48
Excellent
Wed
25 Dec
50
Excellent
Thu
26 Dec
38
Excellent
Fri
27 Dec
37
Excellent
Sat
28 Dec
41
Excellent
Sun
29 Dec
24
Excellent
Air quality in the last 12 months (Dongchuan)
|
2024/11
|
26
|
28
|
43
|
31
|
35
|
46
|
37
|
22
|
21
|
41
|
33
|
28
|
31
|
42
|
46
|
47
|
49
|
39
|
39
|
43
|
28
|
31
|
26
|
23
|
30
|
31
|
30
|
36
|
31
|
28
|
|
|
2024/10
|
11
|
21
|
30
|
30
|
21
|
23
|
17
|
29
|
23
|
23
|
21
|
23
|
28
|
27
|
26
|
19
|
24
|
36
|
43
|
33
|
24
|
23
|
25
|
40
|
40
|
36
|
33
|
34
|
45
|
42
|
36
|
|
2024/09
|
28
|
21
|
23
|
27
|
24
|
32
|
27
|
17
|
16
|
15
|
23
|
24
|
29
|
33
|
34
|
26
|
21
|
26
|
32
|
35
|
32
|
21
|
26
|
43
|
39
|
34
|
33
|
17
|
20
|
23
|
|
|
2024/08
|
37
|
38
|
30
|
23
|
21
|
20
|
18
|
17
|
16
|
20
|
52
|
45
|
48
|
46
|
43
|
39
|
37
|
35
|
38
|
40
|
38
|
33
|
26
|
33
|
29
|
24
|
26
|
32
|
36
|
37
|
33
|
|
2024/07
|
17
|
22
|
22
|
10
|
11
|
15
|
14
|
14
|
18
|
18
|
13
|
17
|
17
|
19
|
15
|
17
|
21
|
24
|
21
|
20
|
19
|
20
|
25
|
32
|
24
|
34
|
37
|
24
|
21
|
18
|
28
|
|
2024/06
|
33
|
30
|
27
|
26
|
16
|
21
|
16
|
16
|
13
|
20
|
18
|
20
|
22
|
20
|
28
|
27
|
18
|
20
|
24
|
29
|
28
|
25
|
21
|
18
|
18
|
22
|
17
|
12
|
18
|
19
|
|
|
2024/05
|
48
|
48
|
28
|
39
|
44
|
41
|
37
|
28
|
21
|
27
|
29
|
22
|
21
|
34
|
20
|
24
|
34
|
27
|
24
|
24
|
27
|
32
|
30
|
31
|
22
|
14
|
17
|
19
|
17
|
20
|
20
|
|
2024/04
|
29
|
37
|
48
|
45
|
47
|
60
|
49
|
39
|
46
|
45
|
59
|
59
|
42
|
42
|
48
|
56
|
61
|
45
|
40
|
36
|
30
|
43
|
41
|
39
|
39
|
41
|
44
|
52
|
40
|
42
|
|
|
2024/03
|
38
|
39
|
28
|
29
|
28
|
35
|
36
|
40
|
38
|
43
|
28
|
54
|
53
|
45
|
51
|
45
|
54
|
44
|
43
|
53
|
54
|
38
|
22
|
28
|
34
|
39
|
49
|
35
|
40
|
50
|
43
|
|
2024/02
|
33
|
50
|
46
|
30
|
35
|
31
|
31
|
40
|
42
|
50
|
46
|
41
|
37
|
33
|
52
|
48
|
29
|
31
|
32
|
41
|
36
|
45
|
52
|
47
|
50
|
38
|
38
|
32
|
36
|
||
|
2024/01
|
48
|
38
|
47
|
43
|
39
|
51
|
49
|
51
|
52
|
49
|
50
|
53
|
66
|
62
|
55
|
29
|
28
|
33
|
37
|
52
|
48
|
25
|
47
|
45
|
35
|
27
|
30
|
28
|
27
|
39
|
30
|
|
2023/12
|
49
|
28
|
32
|
36
|
42
|
32
|
45
|
36
|
30
|
25
|
30
|
43
|
22
|
21
|
33
|
41
|
35
|
21
|
37
|
58
|
61
|
51
|
46
|
57
|
49
|
40
|
43
|
44
|
41
|
57
|
53
|
|
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