Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
92
*
PM2.5
139
PM10
44
O3
1.0
CO
7
SO2
46
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
5 Feb
108
Light
Fri
6 Feb
72
Good
Sat
7 Feb
69
Good
Sun
8 Feb
92
Good
Mon
9 Feb
78
Good
Tue
10 Feb
112
Light
Wed
11 Feb
30
Excellent
He County Air quality rank
Air quality in the last 12 months (He County)
|
2025/12
|
108
|
68
|
56
|
56
|
71
|
90
|
96
|
88
|
66
|
76
|
135
|
46
|
48
|
68
|
65
|
76
|
132
|
139
|
132
|
146
|
42
|
38
|
48
|
86
|
87
|
46
|
67
|
88
|
93
|
138
|
36
|
|
2025/11
|
77
|
67
|
39
|
53
|
50
|
44
|
20
|
22
|
40
|
59
|
39
|
38
|
62
|
107
|
88
|
74
|
46
|
42
|
48
|
65
|
92
|
125
|
133
|
115
|
97
|
88
|
244
|
129
|
90
|
99
|
|
|
2025/10
|
35
|
40
|
23
|
31
|
56
|
51
|
58
|
40
|
33
|
57
|
73
|
57
|
28
|
20
|
39
|
30
|
33
|
14
|
24
|
29
|
27
|
31
|
32
|
41
|
41
|
47
|
59
|
55
|
45
|
32
|
39
|
|
2025/09
|
30
|
28
|
28
|
48
|
47
|
47
|
48
|
45
|
25
|
29
|
36
|
35
|
22
|
32
|
21
|
38
|
34
|
22
|
34
|
22
|
37
|
31
|
37
|
21
|
14
|
28
|
43
|
41
|
40
|
28
|
|
|
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
|
|
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