Air Quality
Excellent
No health implications.
6
PM2.5
15
PM10
61
O3
0.5
CO
12
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
43
Excellent
Mon
2 Jun
41
Excellent
Tue
3 Jun
43
Excellent
Wed
4 Jun
45
Excellent
Thu
5 Jun
46
Excellent
Fri
6 Jun
45
Excellent
Sat
7 Jun
37
Excellent
Air quality in the last 12 months (Dongchuan)
|
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
|
|
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
|
|
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