Air Quality
Excellent
No health implications.
24
PM2.5
49
PM10
100
O3
0.6
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
65
Good
Sat
20 Apr
60
Good
Sun
21 Apr
62
Good
Mon
22 Apr
64
Good
Tue
23 Apr
66
Good
Wed
24 Apr
63
Good
Thu
25 Apr
66
Good
Air quality in the last 12 months (Eryuan)
|
2024/02
|
34
|
47
|
29
|
27
|
30
|
32
|
28
|
33
|
41
|
58
|
47
|
32
|
28
|
27
|
28
|
32
|
29
|
29
|
29
|
29
|
33
|
41
|
43
|
32
|
33
|
35
|
31
|
31
|
30
|
||
|
2024/01
|
25
|
25
|
24
|
21
|
24
|
26
|
27
|
25
|
26
|
31
|
38
|
35
|
38
|
33
|
31
|
38
|
26
|
28
|
32
|
35
|
35
|
31
|
36
|
37
|
32
|
25
|
27
|
25
|
27
|
28
|
26
|
|
2023/12
|
26
|
23
|
22
|
24
|
23
|
25
|
26
|
17
|
19
|
21
|
20
|
23
|
21
|
20
|
21
|
23
|
23
|
22
|
22
|
23
|
23
|
26
|
27
|
30
|
25
|
21
|
22
|
23
|
22
|
26
|
23
|
|
2023/11
|
23
|
22
|
24
|
22
|
22
|
23
|
24
|
26
|
25
|
24
|
27
|
24
|
25
|
21
|
21
|
25
|
29
|
20
|
17
|
19
|
22
|
23
|
24
|
24
|
21
|
24
|
23
|
25
|
26
|
28
|
|
|
2023/10
|
18
|
20
|
17
|
19
|
19
|
19
|
18
|
18
|
18
|
18
|
17
|
16
|
19
|
20
|
21
|
23
|
24
|
24
|
24
|
28
|
28
|
25
|
24
|
27
|
20
|
21
|
22
|
22
|
22
|
24
|
22
|
|
2023/09
|
21
|
26
|
28
|
32
|
34
|
31
|
29
|
28
|
26
|
29
|
24
|
22
|
22
|
23
|
30
|
35
|
30
|
22
|
15
|
18
|
18
|
19
|
20
|
20
|
20
|
21
|
26
|
22
|
20
|
19
|
|
|
2023/08
|
16
|
19
|
22
|
18
|
16
|
15
|
17
|
23
|
24
|
20
|
23
|
21
|
22
|
23
|
24
|
27
|
27
|
26
|
21
|
21
|
20
|
24
|
18
|
17
|
16
|
17
|
17
|
22
|
35
|
29
|
22
|
|
2023/07
|
19
|
18
|
20
|
18
|
19
|
14
|
15
|
16
|
15
|
13
|
12
|
13
|
13
|
14
|
22
|
29
|
33
|
35
|
35
|
24
|
19
|
19
|
17
|
15
|
20
|
20
|
20
|
20
|
21
|
24
|
23
|
|
2023/06
|
33
|
32
|
32
|
34
|
34
|
40
|
30
|
24
|
22
|
26
|
27
|
26
|
21
|
23
|
24
|
35
|
23
|
24
|
23
|
24
|
20
|
20
|
19
|
25
|
29
|
31
|
27
|
22
|
17
|
18
|
|
|
2023/05
|
33
|
33
|
29
|
32
|
31
|
34
|
33
|
37
|
39
|
48
|
48
|
48
|
44
|
34
|
31
|
27
|
34
|
34
|
34
|
38
|
36
|
36
|
38
|
36
|
33
|
31
|
28
|
32
|
33
|
35
|
35
|
|
2023/04
|
39
|
30
|
31
|
33
|
31
|
34
|
34
|
34
|
44
|
44
|
59
|
64
|
63
|
66
|
74
|
63
|
63
|
57
|
55
|
46
|
44
|
40
|
33
|
33
|
32
|
35
|
39
|
38
|
35
|
34
|
|
|
2023/03
|
47
|
43
|
38
|
42
|
49
|
53
|
54
|
44
|
48
|
54
|
41
|
44
|
46
|
55
|
57
|
33
|
36
|
49
|
41
|
27
|
24
|
26
|
26
|
29
|
31
|
32
|
44
|
32
|
30
|
36
|
39
|
|
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