Air Quality
Excellent
No health implications.
15
PM2.5
25
PM10
72
O3
0.6
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jun
54
Good
Mon
9 Jun
67
Good
Tue
10 Jun
75
Good
Wed
11 Jun
80
Good
Thu
12 Jun
81
Good
Fri
13 Jun
83
Good
Sat
14 Jun
18
Excellent
Air quality in the last 12 months (He County)
|
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
|
|
|
2024/08
|
24
|
25
|
35
|
39
|
33
|
37
|
42
|
38
|
43
|
45
|
46
|
52
|
47
|
35
|
27
|
35
|
40
|
38
|
34
|
23
|
35
|
38
|
44
|
50
|
47
|
46
|
31
|
24
|
30
|
34
|
45
|
|
2024/07
|
18
|
19
|
28
|
25
|
26
|
25
|
26
|
27
|
33
|
30
|
35
|
22
|
15
|
19
|
33
|
44
|
32
|
27
|
30
|
26
|
26
|
30
|
45
|
37
|
26
|
25
|
15
|
16
|
23
|
39
|
31
|
|
2024/06
|
42
|
38
|
43
|
45
|
45
|
29
|
34
|
49
|
53
|
26
|
34
|
51
|
56
|
54
|
62
|
46
|
37
|
43
|
26
|
36
|
38
|
21
|
25
|
33
|
41
|
40
|
37
|
17
|
18
|
21
|
|
|
2024/05
|
40
|
39
|
39
|
41
|
37
|
46
|
60
|
56
|
41
|
52
|
52
|
102
|
86
|
62
|
64
|
39
|
58
|
60
|
44
|
52
|
49
|
40
|
54
|
61
|
50
|
50
|
31
|
33
|
37
|
37
|
49
|
|
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