Air Quality
Excellent
No health implications.
10
PM2.5
22
PM10
107
O3
0.4
CO
14
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Feb
46
Excellent
Sun
22 Feb
55
Good
Mon
23 Feb
56
Good
Tue
24 Feb
51
Good
Wed
25 Feb
57
Good
Thu
26 Feb
51
Good
Fri
27 Feb
22
Excellent
Air quality in the last 12 months (Yadong)
|
2026/01
|
29
|
18
|
18
|
22
|
29
|
36
|
24
|
30
|
28
|
21
|
37
|
20
|
32
|
33
|
21
|
23
|
29
|
43
|
20
|
18
|
23
|
18
|
20
|
21
|
16
|
11
|
17
|
43
|
20
|
15
|
14
|
|
2025/12
|
29
|
30
|
29
|
32
|
28
|
29
|
25
|
29
|
28
|
28
|
27
|
22
|
30
|
35
|
25
|
29
|
26
|
24
|
35
|
30
|
32
|
35
|
29
|
27
|
25
|
26
|
27
|
26
|
27
|
28
|
27
|
|
2025/11
|
10
|
7
|
11
|
13
|
17
|
13
|
12
|
17
|
13
|
16
|
19
|
16
|
18
|
23
|
29
|
26
|
27
|
28
|
25
|
27
|
28
|
28
|
29
|
26
|
28
|
26
|
24
|
35
|
25
|
29
|
|
|
2025/10
|
8
|
12
|
10
|
11
|
15
|
10
|
8
|
8
|
9
|
9
|
8
|
12
|
11
|
13
|
15
|
13
|
12
|
11
|
10
|
16
|
17
|
14
|
15
|
10
|
15
|
10
|
16
|
13
|
15
|
10
|
10
|
|
2025/09
|
12
|
17
|
17
|
14
|
14
|
12
|
8
|
8
|
12
|
7
|
10
|
10
|
13
|
11
|
9
|
18
|
14
|
7
|
8
|
6
|
10
|
8
|
11
|
11
|
15
|
12
|
9
|
9
|
9
|
9
|
|
|
2025/08
|
12
|
8
|
13
|
9
|
10
|
8
|
11
|
8
|
10
|
7
|
9
|
12
|
10
|
11
|
11
|
21
|
14
|
18
|
10
|
10
|
8
|
9
|
11
|
11
|
9
|
9
|
8
|
11
|
7
|
10
|
8
|
|
2025/07
|
16
|
12
|
13
|
6
|
10
|
17
|
13
|
21
|
12
|
14
|
17
|
9
|
10
|
7
|
9
|
10
|
8
|
12
|
13
|
9
|
13
|
10
|
7
|
10
|
11
|
7
|
9
|
8
|
8
|
13
|
15
|
|
2025/06
|
14
|
10
|
15
|
12
|
13
|
10
|
19
|
23
|
23
|
21
|
22
|
27
|
21
|
12
|
12
|
7
|
10
|
9
|
11
|
8
|
9
|
12
|
14
|
12
|
14
|
12
|
18
|
15
|
12
|
9
|
|
|
2025/05
|
26
|
15
|
18
|
16
|
22
|
11
|
17
|
18
|
32
|
15
|
13
|
15
|
18
|
21
|
13
|
22
|
8
|
13
|
11
|
14
|
23
|
14
|
11
|
19
|
10
|
15
|
12
|
16
|
20
|
16
|
15
|
|
2025/04
|
35
|
26
|
27
|
31
|
37
|
22
|
32
|
58
|
35
|
24
|
18
|
19
|
13
|
21
|
19
|
21
|
23
|
21
|
20
|
15
|
11
|
24
|
24
|
23
|
31
|
35
|
34
|
22
|
17
|
20
|
|
|
2025/03
|
19
|
14
|
30
|
21
|
35
|
33
|
22
|
30
|
19
|
19
|
23
|
23
|
18
|
24
|
22
|
21
|
26
|
25
|
29
|
27
|
42
|
24
|
14
|
16
|
18
|
20
|
31
|
26
|
31
|
30
|
33
|
|
2025/02
|
44
|
44
|
18
|
19
|
42
|
25
|
33
|
17
|
19
|
25
|
17
|
20
|
43
|
25
|
33
|
16
|
21
|
13
|
18
|
22
|
15
|
19
|
14
|
12
|
13
|
14
|
21
|
15
|
|||
|
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