Air Quality
Excellent
No health implications.
19
PM2.5
25
PM10
109
O3
0.4
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Mar
50
Excellent
Sat
28 Mar
53
Good
Sun
29 Mar
53
Good
Mon
30 Mar
54
Good
Tue
31 Mar
53
Good
Wed
1 Apr
54
Good
Thu
2 Apr
30
Excellent
Air quality in the last 12 months (Eryuan)
|
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
|
|
2025/04
|
79
|
64
|
59
|
58
|
54
|
45
|
45
|
54
|
54
|
43
|
40
|
39
|
23
|
28
|
36
|
23
|
27
|
30
|
25
|
23
|
21
|
23
|
38
|
42
|
47
|
51
|
49
|
50
|
36
|
39
|
|
|
2025/03
|
41
|
37
|
27
|
34
|
41
|
49
|
51
|
58
|
50
|
43
|
46
|
57
|
64
|
43
|
32
|
37
|
32
|
45
|
23
|
40
|
54
|
37
|
36
|
26
|
28
|
23
|
32
|
55
|
95
|
77
|
65
|
|
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