Air Quality
Excellent
No health implications.
11
PM2.5
21
PM10
84
O3
0.3
CO
3
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Aug
40
Excellent
Mon
18 Aug
44
Excellent
Tue
19 Aug
34
Excellent
Wed
20 Aug
40
Excellent
Thu
21 Aug
38
Excellent
Fri
22 Aug
45
Excellent
Sat
23 Aug
18
Excellent
Air quality in the last 12 months (Xiang'an)
|
2025/06
|
36
|
25
|
12
|
20
|
26
|
30
|
32
|
24
|
19
|
25
|
28
|
20
|
17
|
17
|
20
|
21
|
16
|
22
|
13
|
12
|
12
|
18
|
24
|
25
|
16
|
10
|
13
|
13
|
16
|
18
|
|
|
2025/05
|
50
|
46
|
44
|
41
|
33
|
35
|
33
|
42
|
26
|
24
|
25
|
33
|
31
|
33
|
24
|
16
|
15
|
21
|
20
|
26
|
20
|
35
|
27
|
15
|
41
|
33
|
25
|
18
|
10
|
22
|
39
|
|
2025/04
|
16
|
35
|
41
|
52
|
49
|
43
|
49
|
56
|
60
|
42
|
37
|
20
|
101
|
84
|
81
|
68
|
59
|
56
|
48
|
32
|
30
|
34
|
27
|
32
|
15
|
9
|
23
|
37
|
33
|
45
|
|
|
2025/03
|
60
|
24
|
20
|
23
|
12
|
10
|
21
|
32
|
31
|
38
|
48
|
45
|
34
|
32
|
41
|
12
|
42
|
41
|
38
|
39
|
38
|
43
|
50
|
55
|
58
|
43
|
34
|
43
|
17
|
6
|
7
|
|
2025/02
|
38
|
18
|
15
|
41
|
45
|
43
|
14
|
41
|
31
|
29
|
32
|
65
|
38
|
28
|
34
|
59
|
51
|
46
|
25
|
23
|
16
|
16
|
11
|
35
|
44
|
66
|
68
|
70
|
|||
|
2025/01
|
54
|
55
|
47
|
36
|
39
|
52
|
55
|
52
|
53
|
50
|
31
|
41
|
46
|
45
|
70
|
67
|
52
|
40
|
46
|
38
|
53
|
46
|
49
|
23
|
24
|
26
|
21
|
38
|
84
|
30
|
33
|
|
2024/12
|
39
|
45
|
33
|
34
|
34
|
33
|
27
|
35
|
29
|
23
|
33
|
18
|
23
|
36
|
57
|
45
|
41
|
38
|
42
|
22
|
38
|
57
|
25
|
22
|
29
|
50
|
52
|
61
|
43
|
43
|
53
|
|
2024/11
|
17
|
13
|
30
|
36
|
37
|
32
|
23
|
23
|
33
|
32
|
25
|
16
|
18
|
21
|
29
|
20
|
20
|
19
|
9
|
7
|
11
|
19
|
24
|
20
|
14
|
15
|
27
|
22
|
29
|
39
|
|
|
2024/10
|
10
|
6
|
9
|
11
|
13
|
15
|
16
|
11
|
27
|
41
|
39
|
29
|
25
|
28
|
28
|
24
|
29
|
33
|
32
|
16
|
20
|
22
|
31
|
26
|
15
|
25
|
32
|
23
|
28
|
31
|
12
|
|
2024/09
|
32
|
38
|
29
|
20
|
20
|
16
|
14
|
14
|
13
|
33
|
45
|
40
|
18
|
19
|
18
|
19
|
17
|
22
|
22
|
15
|
18
|
7
|
8
|
11
|
20
|
20
|
16
|
15
|
15
|
11
|
|
|
2024/08
|
26
|
32
|
38
|
34
|
38
|
30
|
29
|
38
|
31
|
34
|
44
|
36
|
35
|
30
|
25
|
13
|
15
|
14
|
16
|
11
|
19
|
25
|
26
|
35
|
36
|
39
|
47
|
38
|
32
|
25
|
28
|
|
2024/07
|
20
|
17
|
14
|
18
|
18
|
14
|
12
|
12
|
13
|
13
|
19
|
19
|
20
|
19
|
18
|
20
|
16
|
15
|
18
|
15
|
19
|
28
|
26
|
13
|
8
|
9
|
13
|
22
|
19
|
18
|
10
|
|
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