Air Quality
Excellent
No health implications.
8
PM2.5
22
PM10
76
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
53
Good
Sun
31 May
53
Good
Mon
1 Jun
50
Excellent
Tue
2 Jun
53
Good
Wed
3 Jun
51
Good
Thu
4 Jun
51
Good
Fri
5 Jun
20
Excellent
Air quality in the last 12 months (Eryuan)
|
2026/04
|
28
|
28
|
28
|
29
|
37
|
33
|
29
|
27
|
28
|
31
|
34
|
36
|
40
|
50
|
50
|
39
|
36
|
40
|
43
|
35
|
39
|
34
|
33
|
39
|
52
|
47
|
35
|
30
|
27
|
24
|
|
|
2026/03
|
50
|
50
|
45
|
42
|
50
|
76
|
68
|
68
|
59
|
33
|
46
|
61
|
50
|
30
|
25
|
31
|
31
|
27
|
31
|
30
|
32
|
30
|
26
|
25
|
31
|
31
|
35
|
48
|
31
|
28
|
27
|
|
2026/02
|
24
|
20
|
18
|
21
|
22
|
23
|
25
|
25
|
24
|
22
|
21
|
20
|
18
|
20
|
30
|
37
|
37
|
36
|
38
|
31
|
28
|
39
|
34
|
35
|
42
|
46
|
40
|
49
|
|||
|
2026/01
|
30
|
27
|
22
|
20
|
21
|
26
|
24
|
28
|
27
|
27
|
26
|
26
|
26
|
30
|
31
|
26
|
30
|
30
|
28
|
22
|
25
|
27
|
30
|
29
|
27
|
30
|
27
|
30
|
25
|
28
|
28
|
|
2025/12
|
33
|
32
|
31
|
24
|
23
|
24
|
24
|
27
|
28
|
26
|
28
|
26
|
30
|
29
|
27
|
24
|
29
|
29
|
28
|
25
|
32
|
30
|
28
|
30
|
29
|
29
|
27
|
27
|
27
|
26
|
25
|
|
2025/11
|
19
|
15
|
12
|
14
|
13
|
14
|
16
|
17
|
19
|
17
|
17
|
21
|
22
|
28
|
26
|
27
|
25
|
27
|
24
|
22
|
22
|
25
|
21
|
23
|
31
|
33
|
30
|
32
|
30
|
30
|
|
|
2025/10
|
14
|
13
|
12
|
14
|
14
|
16
|
18
|
12
|
13
|
16
|
15
|
14
|
15
|
17
|
17
|
20
|
13
|
11
|
12
|
11
|
14
|
21
|
23
|
21
|
15
|
14
|
17
|
19
|
18
|
19
|
22
|
|
2025/09
|
22
|
17
|
19
|
19
|
23
|
22
|
20
|
19
|
21
|
22
|
19
|
18
|
17
|
17
|
19
|
16
|
17
|
19
|
15
|
14
|
16
|
16
|
17
|
17
|
25
|
22
|
14
|
14
|
16
|
12
|
|
|
2025/08
|
20
|
19
|
16
|
19
|
18
|
22
|
20
|
17
|
17
|
18
|
16
|
20
|
18
|
24
|
27
|
26
|
20
|
18
|
25
|
19
|
15
|
15
|
16
|
16
|
16
|
24
|
23
|
17
|
19
|
22
|
23
|
|
2025/07
|
18
|
20
|
16
|
19
|
15
|
14
|
15
|
17
|
18
|
21
|
21
|
24
|
23
|
28
|
20
|
23
|
26
|
25
|
24
|
28
|
21
|
23
|
21
|
21
|
17
|
17
|
18
|
21
|
23
|
26
|
19
|
|
2025/06
|
12
|
16
|
12
|
35
|
33
|
26
|
21
|
23
|
24
|
21
|
28
|
28
|
33
|
27
|
17
|
17
|
14
|
13
|
12
|
15
|
16
|
13
|
14
|
15
|
16
|
11
|
17
|
17
|
16
|
17
|
|
|
2025/05
|
28
|
22
|
26
|
18
|
23
|
25
|
24
|
21
|
24
|
34
|
25
|
30
|
29
|
28
|
32
|
31
|
31
|
26
|
27
|
26
|
23
|
23
|
33
|
21
|
17
|
21
|
15
|
14
|
13
|
13
|
13
|
|
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