Air Quality
Excellent
No health implications.
14
PM2.5
34
PM10
93
O3
0.3
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
55
Good
Wed
12 Mar
59
Good
Thu
13 Mar
48
Excellent
Fri
14 Mar
46
Excellent
Sat
15 Mar
47
Excellent
Sun
16 Mar
48
Excellent
Mon
17 Mar
46
Excellent
Air quality in the last 12 months (Aihui)
|
2025/01
|
55
|
69
|
48
|
34
|
39
|
23
|
27
|
23
|
23
|
28
|
34
|
82
|
72
|
26
|
32
|
28
|
48
|
48
|
43
|
38
|
45
|
43
|
47
|
70
|
86
|
45
|
26
|
28
|
30
|
23
|
25
|
|
2024/12
|
30
|
27
|
37
|
27
|
34
|
23
|
22
|
27
|
30
|
35
|
26
|
19
|
25
|
24
|
22
|
26
|
25
|
24
|
23
|
26
|
25
|
44
|
34
|
29
|
25
|
27
|
28
|
24
|
37
|
61
|
41
|
|
2024/11
|
25
|
24
|
28
|
21
|
22
|
24
|
48
|
152
|
141
|
68
|
22
|
24
|
33
|
50
|
28
|
26
|
22
|
24
|
35
|
41
|
31
|
24
|
29
|
99
|
75
|
26
|
29
|
25
|
23
|
24
|
|
|
2024/10
|
24
|
37
|
26
|
32
|
32
|
24
|
51
|
34
|
50
|
53
|
24
|
23
|
28
|
59
|
21
|
23
|
23
|
28
|
24
|
29
|
51
|
30
|
32
|
34
|
41
|
29
|
51
|
39
|
107
|
56
|
43
|
|
2024/09
|
24
|
24
|
24
|
22
|
20
|
21
|
30
|
23
|
37
|
37
|
21
|
26
|
19
|
21
|
26
|
29
|
28
|
24
|
20
|
20
|
21
|
30
|
28
|
30
|
26
|
29
|
30
|
33
|
21
|
22
|
|
|
2024/08
|
33
|
26
|
25
|
23
|
17
|
28
|
31
|
20
|
21
|
26
|
23
|
26
|
24
|
28
|
37
|
35
|
22
|
22
|
34
|
35
|
29
|
24
|
29
|
28
|
23
|
19
|
22
|
24
|
26
|
24
|
20
|
|
2024/07
|
55
|
63
|
55
|
66
|
62
|
88
|
104
|
98
|
94
|
80
|
77
|
110
|
113
|
83
|
61
|
52
|
34
|
33
|
32
|
24
|
25
|
26
|
28
|
26
|
28
|
25
|
21
|
16
|
25
|
24
|
22
|
|
2024/06
|
30
|
39
|
31
|
27
|
21
|
29
|
32
|
18
|
24
|
27
|
29
|
24
|
28
|
25
|
28
|
20
|
22
|
30
|
26
|
24
|
24
|
21
|
24
|
32
|
35
|
34
|
36
|
40
|
46
|
44
|
|
|
2024/05
|
34
|
35
|
55
|
46
|
25
|
32
|
29
|
44
|
23
|
34
|
39
|
44
|
29
|
25
|
17
|
23
|
30
|
30
|
21
|
30
|
30
|
24
|
24
|
25
|
26
|
32
|
51
|
63
|
28
|
30
|
31
|
|
2024/04
|
20
|
24
|
25
|
29
|
34
|
20
|
27
|
24
|
22
|
43
|
39
|
94
|
40
|
51
|
66
|
25
|
22
|
24
|
24
|
44
|
83
|
50
|
30
|
27
|
24
|
23
|
22
|
23
|
25
|
32
|
|
|
2024/03
|
20
|
22
|
19
|
25
|
27
|
28
|
22
|
24
|
22
|
36
|
27
|
23
|
38
|
39
|
30
|
22
|
23
|
26
|
26
|
25
|
25
|
30
|
31
|
22
|
22
|
28
|
45
|
103
|
34
|
22
|
17
|
|
2024/02
|
24
|
28
|
33
|
27
|
35
|
32
|
29
|
26
|
76
|
78
|
53
|
44
|
41
|
29
|
31
|
26
|
49
|
39
|
25
|
23
|
24
|
28
|
23
|
62
|
47
|
36
|
36
|
32
|
26
|
||
|
1
|
2
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3
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4
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5
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6
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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