Air Quality
Excellent
No health implications.
6
PM2.5
13
PM10
37
O3
0.5
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Sep
38
Excellent
Fri
25 Sep
38
Excellent
Sat
26 Sep
40
Excellent
Sun
27 Sep
40
Excellent
Mon
28 Sep
40
Excellent
Tue
29 Sep
15
Excellent
Wed
30 Sep
42
Excellent
Air quality in the last 12 months (Daocheng)
|
2026/08
|
14
|
16
|
18
|
23
|
24
|
25
|
24
|
23
|
19
|
19
|
21
|
22
|
25
|
27
|
24
|
23
|
18
|
17
|
19
|
17
|
17
|
19
|
16
|
18
|
22
|
24
|
21
|
23
|
20
|
20
|
22
|
|
2026/07
|
20
|
22
|
22
|
24
|
24
|
27
|
20
|
22
|
19
|
17
|
15
|
19
|
19
|
20
|
19
|
18
|
15
|
17
|
24
|
26
|
26
|
24
|
24
|
26
|
28
|
28
|
24
|
23
|
19
|
15
|
14
|
|
2026/06
|
20
|
18
|
21
|
22
|
22
|
23
|
27
|
27
|
22
|
23
|
21
|
21
|
18
|
18
|
18
|
18
|
18
|
18
|
20
|
19
|
18
|
21
|
17
|
18
|
18
|
18
|
15
|
18
|
19
|
22
|
|
|
2026/05
|
25
|
27
|
27
|
26
|
25
|
28
|
29
|
28
|
25
|
29
|
26
|
27
|
24
|
24
|
25
|
23
|
24
|
27
|
27
|
26
|
25
|
24
|
23
|
26
|
27
|
29
|
24
|
25
|
22
|
20
|
17
|
|
2026/04
|
22
|
23
|
22
|
21
|
24
|
27
|
25
|
31
|
32
|
35
|
32
|
32
|
35
|
36
|
31
|
27
|
28
|
26
|
28
|
27
|
25
|
26
|
26
|
25
|
26
|
27
|
31
|
28
|
22
|
21
|
|
|
2026/03
|
29
|
32
|
28
|
26
|
26
|
29
|
36
|
33
|
28
|
26
|
24
|
27
|
27
|
26
|
23
|
24
|
28
|
28
|
28
|
26
|
27
|
27
|
28
|
24
|
28
|
28
|
27
|
26
|
28
|
24
|
24
|
|
2026/02
|
19
|
19
|
20
|
18
|
15
|
21
|
18
|
15
|
20
|
20
|
22
|
20
|
21
|
13
|
16
|
22
|
26
|
30
|
19
|
17
|
18
|
21
|
19
|
21
|
17
|
18
|
20
|
22
|
|||
|
2026/01
|
34
|
21
|
20
|
22
|
24
|
20
|
19
|
26
|
34
|
28
|
19
|
25
|
25
|
27
|
26
|
27
|
23
|
32
|
36
|
34
|
33
|
25
|
30
|
30
|
28
|
32
|
28
|
27
|
23
|
19
|
20
|
|
2025/12
|
30
|
29
|
27
|
27
|
27
|
30
|
29
|
28
|
29
|
32
|
28
|
34
|
32
|
30
|
28
|
29
|
30
|
24
|
29
|
31
|
33
|
36
|
28
|
28
|
25
|
33
|
32
|
33
|
35
|
31
|
34
|
|
2025/11
|
12
|
13
|
14
|
19
|
21
|
14
|
21
|
22
|
18
|
17
|
18
|
19
|
17
|
23
|
27
|
27
|
26
|
24
|
22
|
23
|
20
|
23
|
21
|
25
|
22
|
26
|
28
|
28
|
29
|
32
|
|
|
2025/10
|
15
|
16
|
16
|
14
|
14
|
17
|
17
|
14
|
15
|
13
|
16
|
16
|
16
|
18
|
19
|
20
|
20
|
18
|
17
|
14
|
17
|
17
|
18
|
16
|
17
|
12
|
19
|
22
|
20
|
17
|
16
|
|
2025/09
|
15
|
17
|
14
|
14
|
14
|
12
|
13
|
12
|
17
|
13
|
14
|
16
|
22
|
23
|
23
|
14
|
13
|
14
|
15
|
14
|
13
|
15
|
14
|
20
|
24
|
23
|
20
|
16
|
14
|
16
|
|
|
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