Air Quality
Excellent
No health implications.
27
PM2.5
28
PM10
31
O3
2.1
CO
9
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
32
Excellent
Wed
13 Aug
36
Excellent
Thu
14 Aug
35
Excellent
Fri
15 Aug
31
Excellent
Sat
16 Aug
31
Excellent
Sun
17 Aug
36
Excellent
Mon
18 Aug
17
Excellent
Air quality in the last 12 months (Sanyuan)
|
2025/06
|
26
|
23
|
15
|
16
|
22
|
30
|
35
|
32
|
18
|
17
|
21
|
13
|
22
|
24
|
17
|
17
|
28
|
23
|
21
|
25
|
21
|
17
|
18
|
21
|
27
|
27
|
22
|
20
|
28
|
32
|
|
|
2025/05
|
45
|
41
|
49
|
67
|
29
|
35
|
56
|
37
|
23
|
36
|
22
|
32
|
37
|
40
|
36
|
39
|
35
|
30
|
26
|
24
|
29
|
38
|
30
|
17
|
36
|
42
|
34
|
21
|
14
|
19
|
34
|
|
2025/04
|
16
|
24
|
34
|
37
|
79
|
58
|
54
|
65
|
72
|
33
|
54
|
74
|
98
|
80
|
69
|
56
|
60
|
62
|
42
|
30
|
38
|
35
|
21
|
21
|
12
|
13
|
34
|
33
|
39
|
46
|
|
|
2025/03
|
38
|
42
|
37
|
15
|
13
|
10
|
26
|
28
|
36
|
43
|
51
|
38
|
36
|
23
|
12
|
14
|
34
|
28
|
30
|
30
|
37
|
37
|
44
|
54
|
67
|
74
|
64
|
39
|
10
|
18
|
19
|
|
2025/02
|
35
|
25
|
13
|
29
|
38
|
44
|
33
|
48
|
29
|
36
|
37
|
43
|
38
|
41
|
67
|
51
|
30
|
57
|
39
|
25
|
13
|
15
|
11
|
17
|
37
|
56
|
57
|
46
|
|||
|
2025/01
|
66
|
61
|
52
|
39
|
43
|
53
|
49
|
53
|
41
|
39
|
37
|
38
|
42
|
40
|
45
|
59
|
44
|
40
|
38
|
34
|
38
|
46
|
44
|
36
|
24
|
19
|
22
|
42
|
113
|
46
|
32
|
|
2024/12
|
45
|
44
|
45
|
43
|
45
|
61
|
28
|
27
|
56
|
44
|
32
|
21
|
20
|
51
|
43
|
46
|
49
|
45
|
45
|
47
|
47
|
49
|
49
|
39
|
44
|
45
|
71
|
71
|
55
|
56
|
57
|
|
2024/11
|
19
|
18
|
24
|
29
|
33
|
38
|
28
|
28
|
32
|
38
|
40
|
24
|
20
|
22
|
24
|
14
|
25
|
16
|
14
|
24
|
23
|
26
|
32
|
29
|
28
|
16
|
42
|
28
|
35
|
39
|
|
|
2024/10
|
12
|
13
|
24
|
21
|
23
|
27
|
25
|
17
|
14
|
22
|
30
|
36
|
28
|
29
|
31
|
26
|
20
|
27
|
33
|
18
|
19
|
22
|
16
|
24
|
32
|
23
|
18
|
11
|
21
|
29
|
24
|
|
2024/09
|
32
|
29
|
32
|
23
|
19
|
19
|
16
|
14
|
13
|
17
|
26
|
34
|
26
|
23
|
24
|
29
|
18
|
16
|
22
|
19
|
19
|
20
|
9
|
16
|
23
|
23
|
20
|
23
|
24
|
22
|
|
|
2024/08
|
24
|
24
|
28
|
33
|
22
|
30
|
30
|
24
|
29
|
31
|
33
|
32
|
29
|
23
|
15
|
17
|
17
|
18
|
18
|
21
|
15
|
16
|
25
|
28
|
32
|
34
|
32
|
29
|
30
|
35
|
35
|
|
2024/07
|
19
|
19
|
21
|
19
|
21
|
22
|
22
|
17
|
25
|
28
|
25
|
21
|
17
|
24
|
28
|
33
|
25
|
18
|
22
|
25
|
25
|
28
|
22
|
14
|
14
|
12
|
14
|
16
|
16
|
25
|
18
|
|
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