Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
41
*
PM2.5
55
PM10
49
O3
0.8
CO
6
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
13 Dec
96
Good
Sun
14 Dec
91
Good
Mon
15 Dec
87
Good
Tue
16 Dec
102
Light
Wed
17 Dec
126
Light
Thu
18 Dec
98
Good
Fri
19 Dec
27
Excellent
He County Air quality rank
Air quality in the last 12 months (He County)
|
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
|
|
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
|
|
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