Air Quality
Excellent
No health implications.
22
PM2.5
34
PM10
66
O3
0.5
CO
1
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
43
Excellent
Wed
22 Apr
42
Excellent
Thu
23 Apr
42
Excellent
Fri
24 Apr
44
Excellent
Sat
25 Apr
41
Excellent
Sun
26 Apr
42
Excellent
Mon
27 Apr
37
Excellent
Air quality in the last 12 months (Sanyuan)
|
2026/03
|
14
|
18
|
28
|
19
|
19
|
24
|
31
|
35
|
37
|
37
|
33
|
43
|
36
|
34
|
37
|
38
|
39
|
31
|
25
|
42
|
24
|
35
|
40
|
41
|
22
|
23
|
25
|
27
|
28
|
33
|
37
|
|
2026/02
|
17
|
24
|
35
|
47
|
42
|
39
|
15
|
24
|
31
|
42
|
37
|
33
|
43
|
37
|
36
|
37
|
32
|
21
|
27
|
32
|
42
|
43
|
36
|
52
|
33
|
17
|
16
|
15
|
|||
|
2026/01
|
29
|
20
|
28
|
36
|
35
|
33
|
51
|
38
|
41
|
39
|
37
|
44
|
48
|
42
|
54
|
55
|
61
|
54
|
52
|
38
|
18
|
41
|
55
|
57
|
39
|
42
|
55
|
37
|
36
|
28
|
27
|
|
2025/12
|
44
|
46
|
55
|
53
|
43
|
48
|
49
|
46
|
47
|
36
|
47
|
49
|
37
|
22
|
36
|
43
|
43
|
52
|
55
|
47
|
47
|
27
|
35
|
41
|
15
|
32
|
34
|
38
|
35
|
43
|
47
|
|
2025/11
|
33
|
37
|
40
|
12
|
19
|
27
|
28
|
34
|
16
|
14
|
30
|
11
|
14
|
26
|
35
|
39
|
37
|
30
|
21
|
29
|
41
|
38
|
41
|
43
|
44
|
53
|
52
|
50
|
50
|
50
|
|
|
2025/10
|
36
|
37
|
36
|
42
|
33
|
28
|
27
|
30
|
31
|
28
|
26
|
36
|
38
|
18
|
27
|
28
|
35
|
35
|
27
|
16
|
11
|
18
|
30
|
34
|
31
|
35
|
52
|
39
|
27
|
27
|
33
|
|
2025/09
|
27
|
26
|
29
|
34
|
31
|
26
|
22
|
25
|
22
|
29
|
21
|
26
|
27
|
28
|
42
|
38
|
22
|
19
|
14
|
17
|
13
|
24
|
17
|
14
|
18
|
19
|
25
|
24
|
26
|
35
|
|
|
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
|
|
|
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