Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
49
O3
0.5
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Feb
32
Excellent
Sun
15 Feb
35
Excellent
Mon
16 Feb
29
Excellent
Tue
17 Feb
29
Excellent
Wed
18 Feb
34
Excellent
Thu
19 Feb
31
Excellent
Fri
20 Feb
47
Excellent
Air quality in the last 12 months (Daocheng)
|
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
|
|
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
|
|||
|
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