Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
48
O3
0.3
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Aug
40
Excellent
Thu
20 Aug
39
Excellent
Fri
21 Aug
38
Excellent
Sat
22 Aug
37
Excellent
Sun
23 Aug
39
Excellent
Mon
24 Aug
43
Excellent
Tue
25 Aug
42
Excellent
Air quality in the last 12 months (Eryuan)
|
2026/07
|
25
|
20
|
19
|
14
|
14
|
13
|
15
|
13
|
15
|
11
|
13
|
19
|
22
|
21
|
20
|
15
|
14
|
13
|
23
|
25
|
30
|
30
|
20
|
30
|
25
|
25
|
22
|
29
|
19
|
14
|
13
|
|
2026/06
|
19
|
19
|
18
|
24
|
25
|
29
|
30
|
27
|
22
|
20
|
23
|
16
|
18
|
15
|
15
|
16
|
16
|
15
|
17
|
17
|
19
|
19
|
16
|
16
|
17
|
16
|
15
|
17
|
17
|
22
|
|
|
2026/05
|
28
|
28
|
24
|
24
|
24
|
29
|
28
|
27
|
28
|
31
|
25
|
29
|
27
|
27
|
26
|
26
|
29
|
30
|
33
|
32
|
30
|
29
|
27
|
29
|
32
|
31
|
31
|
43
|
49
|
22
|
18
|
|
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
|
|
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