Air Quality
Excellent
No health implications.
8
PM2.5
18
PM10
43
O3
0.7
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Sep
43
Excellent
Sat
20 Sep
43
Excellent
Sun
21 Sep
38
Excellent
Mon
22 Sep
41
Excellent
Tue
23 Sep
53
Good
Wed
24 Sep
47
Excellent
Thu
25 Sep
45
Excellent
Air quality in the last 12 months (Hui County)
|
2025/08
|
32
|
30
|
36
|
33
|
27
|
25
|
27
|
26
|
20
|
19
|
26
|
32
|
30
|
31
|
29
|
22
|
18
|
22
|
24
|
25
|
30
|
26
|
18
|
20
|
20
|
30
|
22
|
15
|
16
|
18
|
22
|
|
2025/07
|
21
|
22
|
19
|
21
|
22
|
24
|
20
|
22
|
23
|
25
|
24
|
29
|
31
|
28
|
33
|
36
|
35
|
25
|
36
|
28
|
24
|
29
|
23
|
18
|
16
|
23
|
27
|
24
|
30
|
23
|
29
|
|
2025/06
|
29
|
34
|
39
|
32
|
34
|
37
|
32
|
31
|
30
|
34
|
38
|
39
|
38
|
44
|
62
|
47
|
41
|
31
|
39
|
42
|
30
|
23
|
25
|
25
|
21
|
23
|
22
|
29
|
30
|
17
|
|
|
2025/05
|
66
|
47
|
81
|
70
|
43
|
81
|
45
|
46
|
94
|
43
|
50
|
54
|
39
|
60
|
54
|
54
|
78
|
69
|
66
|
62
|
60
|
92
|
61
|
40
|
38
|
43
|
28
|
29
|
31
|
42
|
47
|
|
2025/04
|
82
|
86
|
74
|
78
|
89
|
60
|
44
|
72
|
77
|
69
|
100
|
477
|
159
|
81
|
60
|
73
|
71
|
129
|
126
|
60
|
73
|
98
|
69
|
52
|
50
|
39
|
38
|
48
|
51
|
57
|
|
|
2025/03
|
71
|
50
|
33
|
28
|
33
|
41
|
46
|
56
|
39
|
36
|
118
|
125
|
73
|
32
|
52
|
50
|
50
|
43
|
44
|
51
|
47
|
49
|
57
|
47
|
42
|
159
|
206
|
95
|
87
|
70
|
65
|
|
2025/02
|
86
|
57
|
37
|
50
|
60
|
50
|
66
|
65
|
60
|
52
|
60
|
79
|
60
|
53
|
50
|
56
|
49
|
46
|
65
|
71
|
83
|
69
|
55
|
54
|
55
|
44
|
41
|
48
|
|||
|
2025/01
|
79
|
64
|
73
|
80
|
77
|
92
|
81
|
59
|
57
|
60
|
53
|
61
|
62
|
66
|
52
|
59
|
75
|
73
|
68
|
68
|
76
|
100
|
145
|
118
|
62
|
70
|
71
|
87
|
135
|
134
|
100
|
|
2024/12
|
63
|
74
|
77
|
61
|
55
|
57
|
54
|
54
|
45
|
57
|
65
|
60
|
39
|
48
|
60
|
71
|
67
|
62
|
59
|
72
|
77
|
68
|
57
|
64
|
60
|
64
|
56
|
51
|
80
|
67
|
57
|
|
2024/11
|
34
|
28
|
42
|
44
|
40
|
41
|
51
|
53
|
52
|
47
|
45
|
50
|
41
|
27
|
39
|
41
|
28
|
16
|
26
|
34
|
33
|
35
|
50
|
34
|
33
|
48
|
52
|
55
|
51
|
60
|
|
|
2024/10
|
24
|
25
|
29
|
31
|
35
|
36
|
37
|
43
|
33
|
30
|
35
|
28
|
33
|
29
|
25
|
38
|
38
|
35
|
32
|
19
|
22
|
32
|
37
|
44
|
47
|
30
|
23
|
32
|
37
|
38
|
34
|
|
2024/09
|
22
|
34
|
32
|
26
|
14
|
25
|
21
|
27
|
20
|
22
|
29
|
29
|
25
|
22
|
35
|
31
|
27
|
31
|
31
|
26
|
23
|
27
|
32
|
38
|
28
|
26
|
56
|
65
|
32
|
19
|
|
|
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