Air Quality
Excellent
No health implications.
7
PM2.5
22
PM10
102
O3
0.4
CO
9
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
41
Excellent
Wed
27 May
40
Excellent
Thu
28 May
41
Excellent
Fri
29 May
41
Excellent
Sat
30 May
42
Excellent
Sun
31 May
42
Excellent
Mon
1 Jun
30
Excellent
Air quality in the last 12 months (Daocheng)
|
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
|
|
|
2025/08
|
21
|
23
|
22
|
22
|
20
|
21
|
21
|
19
|
16
|
15
|
15
|
17
|
19
|
20
|
17
|
18
|
16
|
16
|
13
|
16
|
15
|
15
|
15
|
13
|
12
|
14
|
18
|
16
|
13
|
13
|
12
|
|
2025/07
|
21
|
15
|
16
|
14
|
12
|
14
|
15
|
19
|
19
|
23
|
21
|
15
|
20
|
17
|
18
|
23
|
25
|
27
|
16
|
18
|
16
|
18
|
16
|
17
|
19
|
14
|
18
|
17
|
21
|
18
|
17
|
|
2025/06
|
12
|
13
|
17
|
20
|
21
|
19
|
20
|
18
|
16
|
20
|
20
|
23
|
25
|
22
|
22
|
21
|
18
|
16
|
12
|
12
|
15
|
18
|
19
|
12
|
15
|
16
|
17
|
21
|
21
|
23
|
|
|
2025/05
|
22
|
21
|
17
|
14
|
17
|
12
|
14
|
26
|
27
|
29
|
31
|
25
|
21
|
19
|
13
|
14
|
16
|
16
|
18
|
15
|
17
|
24
|
15
|
13
|
21
|
19
|
13
|
12
|
15
|
15
|
12
|
|
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