Air Quality
Excellent
No health implications.
21
PM2.5
42
PM10
105
O3
0.5
CO
2
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
81
Good
Sun
4 May
66
Good
Mon
5 May
67
Good
Tue
6 May
68
Good
Wed
7 May
56
Good
Thu
8 May
57
Good
Fri
9 May
34
Excellent
Air quality in the last 12 months (Xiang'an)
|
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
|
|
2024/06
|
10
|
6
|
17
|
21
|
23
|
23
|
20
|
26
|
19
|
11
|
14
|
24
|
22
|
20
|
19
|
15
|
13
|
14
|
12
|
14
|
20
|
24
|
19
|
13
|
15
|
16
|
16
|
14
|
14
|
16
|
|
|
2024/05
|
28
|
16
|
29
|
33
|
31
|
37
|
43
|
41
|
45
|
29
|
38
|
35
|
26
|
29
|
38
|
44
|
39
|
46
|
27
|
16
|
9
|
10
|
21
|
32
|
38
|
23
|
13
|
22
|
24
|
26
|
22
|
|
2024/04
|
28
|
49
|
37
|
40
|
29
|
31
|
18
|
39
|
18
|
35
|
34
|
47
|
59
|
44
|
48
|
44
|
35
|
36
|
41
|
48
|
25
|
29
|
27
|
24
|
43
|
26
|
22
|
18
|
28
|
24
|
|
|
2024/03
|
12
|
25
|
38
|
45
|
55
|
35
|
32
|
56
|
58
|
56
|
40
|
38
|
66
|
59
|
48
|
70
|
70
|
43
|
55
|
52
|
49
|
64
|
63
|
37
|
31
|
44
|
40
|
45
|
44
|
49
|
36
|
|
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