Air Quality
Excellent
No health implications.
19
PM2.5
46
PM10
22
O3
0.6
CO
8
SO2
39
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Oct
69
Good
Wed
29 Oct
56
Good
Thu
30 Oct
53
Good
Fri
31 Oct
70
Good
Sat
1 Nov
60
Good
Sun
2 Nov
60
Good
Mon
3 Nov
29
Excellent
He County Air quality rank
Air quality in the last 12 months (He County)
|
2025/08
|
15
|
17
|
24
|
28
|
45
|
28
|
23
|
24
|
31
|
24
|
19
|
30
|
42
|
28
|
28
|
32
|
39
|
39
|
39
|
35
|
36
|
29
|
22
|
34
|
33
|
24
|
41
|
37
|
41
|
35
|
19
|
|
2025/07
|
33
|
35
|
46
|
43
|
49
|
53
|
40
|
23
|
21
|
45
|
37
|
27
|
36
|
38
|
42
|
41
|
25
|
36
|
29
|
23
|
22
|
20
|
25
|
26
|
29
|
22
|
23
|
20
|
28
|
22
|
15
|
|
2025/06
|
16
|
14
|
42
|
63
|
50
|
48
|
27
|
17
|
34
|
28
|
48
|
36
|
28
|
30
|
24
|
38
|
48
|
35
|
17
|
20
|
14
|
19
|
31
|
29
|
39
|
40
|
25
|
15
|
18
|
27
|
|
|
2025/05
|
53
|
66
|
54
|
46
|
47
|
92
|
87
|
49
|
24
|
35
|
45
|
53
|
57
|
63
|
56
|
29
|
50
|
84
|
66
|
51
|
28
|
46
|
47
|
61
|
63
|
58
|
57
|
52
|
50
|
54
|
61
|
|
2025/04
|
50
|
66
|
47
|
68
|
77
|
71
|
68
|
76
|
75
|
73
|
76
|
206
|
103
|
82
|
56
|
59
|
68
|
70
|
87
|
57
|
53
|
62
|
64
|
79
|
64
|
59
|
50
|
59
|
61
|
65
|
|
|
2025/03
|
55
|
55
|
22
|
42
|
62
|
61
|
58
|
84
|
80
|
73
|
76
|
91
|
63
|
45
|
37
|
49
|
39
|
45
|
54
|
58
|
53
|
59
|
69
|
72
|
68
|
68
|
107
|
75
|
108
|
82
|
43
|
|
2025/02
|
43
|
66
|
91
|
84
|
56
|
49
|
65
|
39
|
47
|
60
|
73
|
112
|
77
|
94
|
116
|
97
|
73
|
56
|
67
|
62
|
47
|
69
|
94
|
80
|
93
|
125
|
89
|
59
|
|||
|
2025/01
|
97
|
105
|
112
|
115
|
130
|
90
|
56
|
77
|
44
|
53
|
66
|
75
|
89
|
115
|
73
|
67
|
79
|
86
|
106
|
122
|
125
|
150
|
111
|
58
|
35
|
71
|
55
|
52
|
113
|
68
|
96
|
|
2024/12
|
70
|
87
|
93
|
53
|
83
|
141
|
138
|
46
|
58
|
67
|
73
|
77
|
104
|
81
|
63
|
69
|
88
|
90
|
48
|
77
|
98
|
66
|
61
|
81
|
118
|
129
|
64
|
84
|
80
|
96
|
115
|
|
2024/11
|
29
|
56
|
69
|
72
|
43
|
42
|
40
|
38
|
48
|
38
|
51
|
54
|
52
|
61
|
77
|
53
|
31
|
32
|
28
|
39
|
48
|
87
|
34
|
40
|
42
|
37
|
63
|
57
|
46
|
63
|
|
|
2024/10
|
29
|
33
|
29
|
26
|
28
|
15
|
14
|
37
|
41
|
59
|
70
|
65
|
48
|
48
|
50
|
48
|
36
|
28
|
29
|
38
|
48
|
39
|
60
|
52
|
39
|
29
|
28
|
69
|
58
|
39
|
30
|
|
2024/09
|
53
|
53
|
32
|
39
|
37
|
44
|
46
|
50
|
31
|
39
|
21
|
18
|
36
|
47
|
32
|
28
|
22
|
25
|
29
|
25
|
26
|
30
|
30
|
37
|
51
|
46
|
30
|
44
|
44
|
45
|
|
|
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