Air Quality
Excellent
No health implications.
10
PM2.5
23
PM10
76
O3
0.2
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
44
Excellent
Wed
16 Jul
45
Excellent
Thu
17 Jul
48
Excellent
Fri
18 Jul
47
Excellent
Sat
19 Jul
48
Excellent
Sun
20 Jul
32
Excellent
Mon
21 Jul
32
Excellent
Air quality in the last 12 months (Daocheng)
|
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
|
|
2025/04
|
36
|
35
|
35
|
33
|
21
|
29
|
34
|
36
|
34
|
37
|
23
|
15
|
14
|
18
|
18
|
16
|
19
|
20
|
26
|
19
|
17
|
16
|
10
|
13
|
21
|
27
|
31
|
30
|
23
|
25
|
|
|
2025/03
|
20
|
16
|
21
|
22
|
21
|
22
|
33
|
32
|
29
|
31
|
30
|
43
|
26
|
18
|
15
|
18
|
13
|
13
|
24
|
29
|
28
|
23
|
26
|
24
|
24
|
19
|
22
|
54
|
39
|
47
|
38
|
|
2025/02
|
19
|
19
|
24
|
28
|
29
|
22
|
23
|
23
|
17
|
22
|
17
|
17
|
18
|
19
|
21
|
21
|
20
|
19
|
18
|
21
|
22
|
20
|
21
|
19
|
22
|
19
|
21
|
29
|
|||
|
2025/01
|
30
|
30
|
31
|
34
|
32
|
32
|
23
|
18
|
19
|
19
|
23
|
24
|
22
|
24
|
23
|
28
|
26
|
36
|
48
|
31
|
29
|
26
|
23
|
22
|
17
|
17
|
18
|
17
|
21
|
13
|
12
|
|
2024/12
|
28
|
25
|
25
|
27
|
27
|
29
|
21
|
27
|
25
|
21
|
30
|
31
|
23
|
26
|
31
|
33
|
34
|
29
|
30
|
33
|
26
|
20
|
30
|
29
|
27
|
31
|
29
|
29
|
31
|
24
|
28
|
|
2024/11
|
22
|
25
|
25
|
21
|
17
|
21
|
19
|
21
|
20
|
26
|
22
|
24
|
25
|
26
|
28
|
28
|
24
|
24
|
22
|
21
|
22
|
19
|
17
|
16
|
24
|
19
|
23
|
22
|
22
|
27
|
|
|
2024/10
|
12
|
11
|
13
|
13
|
13
|
10
|
9
|
11
|
13
|
11
|
12
|
14
|
15
|
18
|
16
|
11
|
17
|
21
|
20
|
23
|
22
|
23
|
23
|
18
|
17
|
18
|
16
|
22
|
23
|
21
|
23
|
|
2024/09
|
16
|
15
|
13
|
13
|
15
|
19
|
19
|
17
|
15
|
14
|
15
|
14
|
17
|
16
|
16
|
13
|
14
|
17
|
21
|
21
|
20
|
20
|
19
|
14
|
12
|
14
|
14
|
15
|
16
|
15
|
|
|
2024/08
|
22
|
23
|
23
|
18
|
17
|
22
|
23
|
21
|
21
|
16
|
26
|
20
|
19
|
29
|
23
|
18
|
17
|
17
|
20
|
16
|
18
|
22
|
30
|
31
|
32
|
31
|
28
|
27
|
27
|
29
|
20
|
|
2024/07
|
19
|
20
|
16
|
13
|
15
|
17
|
16
|
14
|
14
|
16
|
14
|
20
|
18
|
14
|
13
|
13
|
16
|
15
|
16
|
14
|
11
|
14
|
19
|
17
|
16
|
18
|
18
|
17
|
13
|
17
|
20
|
|
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