Air Quality
Excellent
No health implications.
34
PM2.5
47
PM10
16
O3
0.9
CO
4
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
39
Excellent
Sun
20 Apr
38
Excellent
Mon
21 Apr
33
Excellent
Tue
22 Apr
35
Excellent
Wed
23 Apr
32
Excellent
Thu
24 Apr
32
Excellent
Fri
25 Apr
31
Excellent
Air quality in the last 12 months (Sanyuan)
|
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
|
|
2024/06
|
20
|
12
|
13
|
23
|
28
|
18
|
22
|
28
|
20
|
23
|
23
|
31
|
22
|
21
|
25
|
19
|
19
|
31
|
28
|
19
|
23
|
26
|
27
|
22
|
22
|
27
|
26
|
26
|
20
|
18
|
|
|
2024/05
|
33
|
15
|
27
|
33
|
30
|
24
|
34
|
38
|
42
|
52
|
49
|
34
|
20
|
26
|
28
|
35
|
43
|
45
|
38
|
28
|
16
|
11
|
19
|
26
|
23
|
19
|
21
|
20
|
19
|
34
|
31
|
|
2024/04
|
25
|
29
|
36
|
16
|
24
|
26
|
29
|
16
|
15
|
43
|
46
|
55
|
52
|
50
|
52
|
57
|
33
|
35
|
21
|
32
|
25
|
31
|
28
|
24
|
34
|
32
|
29
|
30
|
37
|
25
|
|
|
2024/03
|
26
|
23
|
33
|
44
|
69
|
21
|
21
|
35
|
55
|
54
|
33
|
36
|
52
|
65
|
31
|
33
|
51
|
30
|
21
|
42
|
46
|
61
|
56
|
43
|
32
|
22
|
41
|
29
|
30
|
42
|
30
|
|
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