Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
48
*
PM2.5
66
PM10
11
O3
0.8
CO
9
SO2
39
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Jan
49
Excellent
Sun
18 Jan
50
Excellent
Mon
19 Jan
50
Excellent
Tue
20 Jan
47
Excellent
Wed
21 Jan
44
Excellent
Thu
22 Jan
44
Excellent
Fri
23 Jan
24
Excellent
Air quality in the last 12 months (Dongchuan)
|
2025/11
|
21
|
15
|
11
|
25
|
25
|
21
|
25
|
26
|
14
|
19
|
25
|
26
|
29
|
30
|
31
|
34
|
38
|
28
|
19
|
32
|
47
|
36
|
40
|
38
|
42
|
54
|
44
|
51
|
55
|
59
|
|
|
2025/10
|
13
|
13
|
18
|
18
|
23
|
20
|
12
|
12
|
15
|
20
|
21
|
22
|
25
|
25
|
24
|
18
|
15
|
18
|
20
|
18
|
14
|
16
|
23
|
31
|
30
|
22
|
21
|
27
|
27
|
33
|
30
|
|
2025/09
|
24
|
24
|
26
|
25
|
23
|
23
|
27
|
25
|
24
|
27
|
20
|
19
|
21
|
20
|
21
|
19
|
18
|
22
|
20
|
27
|
25
|
22
|
17
|
18
|
30
|
15
|
15
|
17
|
14
|
15
|
|
|
2025/08
|
31
|
31
|
34
|
29
|
30
|
29
|
29
|
20
|
22
|
20
|
20
|
19
|
27
|
37
|
33
|
19
|
17
|
23
|
23
|
27
|
21
|
14
|
14
|
18
|
19
|
16
|
18
|
19
|
22
|
22
|
25
|
|
2025/07
|
17
|
12
|
16
|
18
|
18
|
21
|
23
|
19
|
19
|
21
|
19
|
23
|
29
|
33
|
33
|
34
|
33
|
36
|
23
|
26
|
16
|
13
|
14
|
16
|
16
|
18
|
23
|
29
|
40
|
31
|
31
|
|
2025/06
|
17
|
20
|
23
|
25
|
29
|
35
|
36
|
34
|
39
|
34
|
30
|
39
|
47
|
41
|
19
|
27
|
22
|
15
|
15
|
16
|
19
|
14
|
21
|
14
|
14
|
16
|
16
|
17
|
19
|
17
|
|
|
2025/05
|
42
|
38
|
31
|
30
|
35
|
35
|
31
|
27
|
36
|
31
|
29
|
36
|
33
|
34
|
34
|
31
|
31
|
32
|
35
|
32
|
36
|
35
|
49
|
32
|
27
|
24
|
17
|
17
|
18
|
16
|
14
|
|
2025/04
|
46
|
47
|
60
|
69
|
58
|
51
|
52
|
62
|
58
|
62
|
53
|
78
|
79
|
65
|
58
|
39
|
30
|
32
|
36
|
34
|
29
|
34
|
47
|
45
|
40
|
57
|
58
|
38
|
34
|
28
|
|
|
2025/03
|
41
|
45
|
42
|
45
|
47
|
35
|
39
|
53
|
47
|
48
|
48
|
55
|
67
|
66
|
52
|
27
|
23
|
17
|
37
|
44
|
59
|
63
|
54
|
41
|
38
|
37
|
36
|
83
|
72
|
53
|
41
|
|
2025/02
|
40
|
48
|
21
|
40
|
49
|
44
|
26
|
34
|
39
|
34
|
38
|
46
|
46
|
54
|
48
|
53
|
34
|
39
|
52
|
41
|
45
|
42
|
43
|
31
|
33
|
32
|
37
|
37
|
|||
|
2025/01
|
47
|
50
|
43
|
49
|
39
|
55
|
36
|
36
|
34
|
30
|
20
|
44
|
46
|
47
|
50
|
71
|
58
|
56
|
59
|
63
|
49
|
50
|
52
|
34
|
35
|
34
|
45
|
50
|
76
|
42
|
34
|
|
2024/12
|
34
|
37
|
38
|
36
|
38
|
38
|
41
|
40
|
27
|
28
|
35
|
35
|
39
|
29
|
43
|
53
|
41
|
30
|
37
|
31
|
42
|
37
|
37
|
38
|
39
|
43
|
53
|
43
|
43
|
39
|
44
|
|
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