Air Quality
Excellent
No health implications.
25
PM2.5
39
PM10
114
O3
0.5
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Mar
59
Good
Sun
22 Mar
63
Good
Mon
23 Mar
55
Good
Tue
24 Mar
51
Good
Wed
25 Mar
58
Good
Thu
26 Mar
55
Good
Fri
27 Mar
48
Excellent
Air quality in the last 12 months (Xiang'an)
|
2026/02
|
19
|
34
|
41
|
36
|
44
|
46
|
23
|
32
|
30
|
33
|
35
|
45
|
41
|
35
|
29
|
45
|
44
|
35
|
34
|
44
|
42
|
54
|
44
|
65
|
32
|
29
|
38
|
8
|
|||
|
2026/01
|
23
|
24
|
32
|
35
|
45
|
27
|
36
|
43
|
44
|
57
|
52
|
52
|
55
|
46
|
53
|
51
|
56
|
49
|
40
|
26
|
28
|
33
|
25
|
29
|
27
|
38
|
31
|
28
|
30
|
32
|
26
|
|
2025/12
|
45
|
35
|
45
|
36
|
30
|
31
|
35
|
38
|
39
|
31
|
42
|
45
|
32
|
25
|
37
|
44
|
44
|
47
|
47
|
51
|
57
|
26
|
30
|
43
|
26
|
27
|
23
|
27
|
34
|
39
|
36
|
|
2025/11
|
23
|
37
|
32
|
9
|
12
|
18
|
27
|
27
|
31
|
21
|
12
|
7
|
8
|
23
|
40
|
34
|
30
|
29
|
21
|
28
|
32
|
39
|
39
|
46
|
38
|
68
|
50
|
70
|
67
|
58
|
|
|
2025/10
|
33
|
17
|
26
|
28
|
25
|
27
|
28
|
25
|
25
|
24
|
25
|
29
|
26
|
32
|
20
|
27
|
27
|
24
|
15
|
17
|
9
|
9
|
19
|
24
|
21
|
36
|
40
|
21
|
20
|
29
|
32
|
|
2025/09
|
24
|
33
|
34
|
29
|
25
|
13
|
12
|
9
|
13
|
19
|
20
|
26
|
26
|
23
|
23
|
23
|
17
|
17
|
12
|
9
|
15
|
11
|
16
|
10
|
17
|
13
|
16
|
18
|
28
|
31
|
|
|
2025/08
|
22
|
23
|
13
|
10
|
13
|
20
|
29
|
38
|
16
|
10
|
12
|
19
|
20
|
17
|
14
|
17
|
16
|
18
|
12
|
17
|
19
|
26
|
31
|
21
|
20
|
17
|
15
|
19
|
16
|
16
|
17
|
|
2025/07
|
25
|
27
|
25
|
24
|
10
|
21
|
27
|
40
|
36
|
11
|
10
|
18
|
31
|
24
|
33
|
35
|
37
|
18
|
18
|
20
|
11
|
11
|
13
|
15
|
16
|
20
|
22
|
15
|
18
|
24
|
22
|
|
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
|
|
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