Air Quality
Excellent
No health implications.
17
PM2.5
23
PM10
81
O3
0.4
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
33
Excellent
Sat
31 Jan
35
Excellent
Sun
1 Feb
35
Excellent
Mon
2 Feb
32
Excellent
Tue
3 Feb
37
Excellent
Wed
4 Feb
35
Excellent
Thu
5 Feb
50
Excellent
Air quality in the last 12 months (Eryuan)
|
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
|
|
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
|
|
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