Air Quality
Excellent
No health implications.
24
PM2.5
30
PM10
49
O3
0.8
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jul
47
Excellent
Mon
20 Jul
53
Good
Tue
21 Jul
54
Good
Wed
22 Jul
50
Excellent
Thu
23 Jul
54
Good
Fri
24 Jul
42
Excellent
Sat
25 Jul
42
Excellent
Air quality in the last 12 months (He County)
|
2026/06
|
74
|
103
|
67
|
68
|
62
|
43
|
63
|
34
|
40
|
61
|
71
|
71
|
37
|
41
|
32
|
33
|
42
|
60
|
23
|
24
|
34
|
27
|
25
|
23
|
34
|
64
|
63
|
86
|
61
|
26
|
|
|
2026/05
|
44
|
45
|
37
|
40
|
47
|
47
|
55
|
39
|
43
|
50
|
54
|
70
|
68
|
50
|
44
|
43
|
40
|
50
|
48
|
24
|
40
|
56
|
81
|
52
|
33
|
24
|
26
|
41
|
61
|
70
|
67
|
|
2026/04
|
73
|
65
|
46
|
53
|
79
|
73
|
53
|
45
|
35
|
46
|
59
|
27
|
28
|
33
|
44
|
42
|
52
|
54
|
61
|
54
|
54
|
18
|
25
|
48
|
66
|
53
|
59
|
30
|
30
|
43
|
|
|
2026/03
|
34
|
24
|
69
|
52
|
62
|
62
|
55
|
54
|
72
|
74
|
70
|
78
|
77
|
76
|
75
|
36
|
44
|
42
|
96
|
116
|
84
|
71
|
67
|
65
|
69
|
82
|
60
|
54
|
62
|
43
|
100
|
|
2026/02
|
64
|
73
|
109
|
88
|
91
|
75
|
43
|
53
|
41
|
63
|
94
|
95
|
85
|
70
|
74
|
33
|
95
|
96
|
83
|
58
|
47
|
118
|
108
|
25
|
45
|
31
|
26
|
42
|
|||
|
2026/01
|
33
|
75
|
87
|
121
|
112
|
104
|
56
|
73
|
74
|
101
|
78
|
67
|
86
|
86
|
104
|
111
|
160
|
83
|
25
|
52
|
56
|
52
|
85
|
106
|
125
|
36
|
76
|
86
|
67
|
30
|
39
|
|
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
|
|
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