Air Quality
Excellent
No health implications.
10
PM2.5
21
PM10
35
O3
0.4
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
49
Excellent
Sun
27 Jul
52
Good
Mon
28 Jul
50
Excellent
Tue
29 Jul
51
Good
Wed
30 Jul
51
Good
Thu
31 Jul
53
Good
Fri
1 Aug
43
Excellent
Air quality in the last 12 months (He County)
|
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
|
|
|
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
|
|
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