Air Quality
Excellent
No health implications.
21
PM2.5
34
PM10
57
O3
0.6
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Nov
48
Excellent
Tue
3 Nov
40
Excellent
Wed
4 Nov
40
Excellent
Thu
5 Nov
38
Excellent
Fri
6 Nov
38
Excellent
Sat
7 Nov
40
Excellent
Sun
8 Nov
26
Excellent
Air quality in the last 12 months (Dongchuan)
|
2026/08
|
23
|
23
|
22
|
32
|
32
|
31
|
29
|
29
|
29
|
29
|
38
|
34
|
31
|
33
|
41
|
39
|
33
|
26
|
22
|
29
|
30
|
34
|
38
|
37
|
35
|
25
|
31
|
31
|
21
|
25
|
33
|
|
2026/07
|
27
|
20
|
18
|
16
|
26
|
27
|
31
|
32
|
35
|
30
|
26
|
25
|
29
|
34
|
34
|
28
|
31
|
26
|
45
|
43
|
47
|
43
|
39
|
32
|
31
|
23
|
30
|
21
|
18
|
21
|
22
|
|
2026/06
|
29
|
29
|
27
|
30
|
36
|
37
|
32
|
26
|
29
|
32
|
35
|
32
|
23
|
25
|
30
|
18
|
20
|
21
|
23
|
26
|
19
|
19
|
20
|
21
|
19
|
18
|
23
|
18
|
21
|
23
|
|
|
2026/05
|
31
|
26
|
24
|
25
|
40
|
35
|
40
|
45
|
35
|
27
|
27
|
23
|
29
|
36
|
35
|
40
|
37
|
39
|
39
|
41
|
36
|
36
|
34
|
31
|
35
|
40
|
43
|
42
|
30
|
34
|
32
|
|
2026/04
|
34
|
37
|
32
|
33
|
42
|
39
|
38
|
45
|
35
|
37
|
37
|
38
|
44
|
55
|
60
|
52
|
43
|
40
|
58
|
40
|
43
|
49
|
37
|
45
|
40
|
44
|
35
|
27
|
32
|
36
|
|
|
2026/03
|
51
|
49
|
50
|
35
|
59
|
55
|
64
|
47
|
22
|
31
|
56
|
53
|
38
|
34
|
25
|
33
|
40
|
33
|
41
|
38
|
45
|
46
|
32
|
39
|
51
|
35
|
41
|
47
|
37
|
31
|
29
|
|
2026/02
|
43
|
39
|
38
|
37
|
38
|
37
|
54
|
37
|
37
|
32
|
32
|
36
|
37
|
35
|
40
|
62
|
99
|
52
|
40
|
36
|
35
|
43
|
42
|
45
|
49
|
47
|
42
|
45
|
|||
|
2026/01
|
46
|
31
|
28
|
26
|
34
|
32
|
43
|
42
|
55
|
55
|
60
|
44
|
49
|
48
|
57
|
41
|
61
|
48
|
51
|
40
|
34
|
50
|
54
|
49
|
45
|
49
|
56
|
57
|
43
|
37
|
43
|
|
2025/12
|
59
|
62
|
51
|
39
|
44
|
48
|
46
|
55
|
46
|
48
|
53
|
40
|
48
|
53
|
44
|
48
|
48
|
46
|
43
|
46
|
44
|
35
|
47
|
48
|
40
|
55
|
60
|
53
|
44
|
39
|
40
|
|
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
|
|
|
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