Air Quality
Excellent
No health implications.
15
PM2.5
28
PM10
76
O3
0.7
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Sep
32
Excellent
Fri
5 Sep
30
Excellent
Sat
6 Sep
36
Excellent
Sun
7 Sep
38
Excellent
Mon
8 Sep
32
Excellent
Tue
9 Sep
36
Excellent
Wed
10 Sep
25
Excellent
Air quality in the last 12 months (Sanyuan)
|
2025/08
|
32
|
23
|
28
|
37
|
21
|
18
|
24
|
25
|
28
|
29
|
34
|
39
|
25
|
23
|
16
|
26
|
30
|
19
|
25
|
16
|
22
|
26
|
26
|
30
|
28
|
24
|
22
|
26
|
20
|
20
|
27
|
|
2025/07
|
29
|
21
|
25
|
18
|
30
|
20
|
16
|
33
|
26
|
16
|
15
|
20
|
25
|
22
|
31
|
30
|
31
|
28
|
21
|
13
|
13
|
11
|
14
|
15
|
15
|
28
|
21
|
21
|
25
|
24
|
30
|
|
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
|
|
|
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