Air Quality
Excellent
No health implications.
28
PM2.5
38
PM10
59
O3
0.7
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Mar
44
Excellent
Fri
21 Mar
43
Excellent
Sat
22 Mar
42
Excellent
Sun
23 Mar
46
Excellent
Mon
24 Mar
43
Excellent
Tue
25 Mar
32
Excellent
Wed
26 Mar
45
Excellent
Eryuan Air quality rank
Air quality in the last 12 months (Eryuan)
|
2025/02
|
41
|
43
|
50
|
43
|
37
|
44
|
45
|
33
|
35
|
32
|
31
|
30
|
39
|
45
|
28
|
37
|
34
|
42
|
36
|
27
|
30
|
33
|
37
|
36
|
34
|
23
|
20
|
32
|
|||
|
2025/01
|
26
|
32
|
38
|
35
|
32
|
30
|
26
|
27
|
24
|
26
|
30
|
29
|
31
|
34
|
33
|
42
|
33
|
25
|
27
|
28
|
45
|
43
|
34
|
25
|
28
|
36
|
31
|
40
|
54
|
39
|
35
|
|
2024/12
|
25
|
23
|
23
|
22
|
23
|
21
|
25
|
23
|
21
|
27
|
32
|
35
|
26
|
24
|
20
|
21
|
38
|
28
|
21
|
17
|
23
|
20
|
22
|
26
|
24
|
32
|
38
|
37
|
24
|
23
|
25
|
|
2024/11
|
30
|
36
|
27
|
29
|
24
|
30
|
17
|
16
|
20
|
24
|
24
|
19
|
24
|
25
|
29
|
30
|
33
|
28
|
25
|
26
|
21
|
24
|
23
|
21
|
22
|
25
|
25
|
25
|
25
|
25
|
|
|
2024/10
|
18
|
16
|
18
|
18
|
15
|
17
|
17
|
18
|
19
|
22
|
21
|
28
|
24
|
25
|
25
|
20
|
19
|
27
|
32
|
25
|
31
|
32
|
29
|
18
|
19
|
29
|
30
|
43
|
33
|
27
|
29
|
|
2024/09
|
19
|
20
|
19
|
18
|
17
|
21
|
30
|
30
|
22
|
17
|
21
|
21
|
23
|
25
|
24
|
25
|
22
|
24
|
29
|
30
|
32
|
28
|
27
|
29
|
28
|
22
|
22
|
21
|
17
|
20
|
|
|
2024/08
|
20
|
27
|
20
|
15
|
15
|
18
|
18
|
18
|
27
|
15
|
18
|
27
|
25
|
36
|
36
|
25
|
28
|
21
|
15
|
18
|
22
|
26
|
29
|
27
|
22
|
23
|
24
|
29
|
26
|
32
|
19
|
|
2024/07
|
11
|
16
|
14
|
14
|
14
|
17
|
17
|
16
|
16
|
14
|
15
|
13
|
19
|
18
|
16
|
19
|
27
|
22
|
23
|
28
|
14
|
17
|
16
|
18
|
20
|
19
|
22
|
28
|
24
|
20
|
24
|
|
2024/06
|
41
|
35
|
34
|
36
|
28
|
24
|
23
|
24
|
22
|
25
|
34
|
28
|
16
|
18
|
15
|
24
|
27
|
27
|
29
|
35
|
37
|
36
|
24
|
16
|
16
|
23
|
18
|
14
|
13
|
13
|
|
|
2024/05
|
38
|
35
|
31
|
53
|
50
|
31
|
34
|
35
|
26
|
28
|
33
|
30
|
31
|
30
|
29
|
32
|
31
|
38
|
36
|
20
|
25
|
29
|
23
|
26
|
20
|
15
|
13
|
13
|
19
|
37
|
32
|
|
2024/04
|
23
|
29
|
46
|
38
|
32
|
43
|
38
|
36
|
37
|
36
|
43
|
52
|
48
|
49
|
47
|
59
|
62
|
57
|
50
|
44
|
35
|
49
|
53
|
43
|
34
|
43
|
54
|
51
|
38
|
47
|
|
|
2024/03
|
32
|
28
|
28
|
32
|
32
|
29
|
30
|
29
|
24
|
29
|
33
|
49
|
52
|
48
|
51
|
48
|
49
|
44
|
46
|
46
|
39
|
27
|
21
|
28
|
24
|
33
|
25
|
30
|
32
|
40
|
33
|
|
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