Air Quality
Excellent
No health implications.
29
PM2.5
47
PM10
37
O3
0.5
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
35
Excellent
Tue
18 Nov
38
Excellent
Wed
19 Nov
32
Excellent
Thu
20 Nov
32
Excellent
Fri
21 Nov
37
Excellent
Sat
22 Nov
36
Excellent
Sun
23 Nov
48
Excellent
Air quality in the last 12 months (Dongchuan)
|
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
|
|
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
|
|
|
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