Air Quality
Excellent
No health implications.
26
PM2.5
50
PM10
65
O3
0.4
CO
5
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
79
Good
Mon
12 May
88
Good
Tue
13 May
93
Good
Wed
14 May
57
Good
Thu
15 May
79
Good
Fri
16 May
57
Good
Sat
17 May
40
Excellent
Air quality in the last 12 months (Dehui)
|
2025/02
|
120
|
150
|
89
|
66
|
75
|
78
|
45
|
33
|
58
|
92
|
110
|
81
|
57
|
55
|
83
|
37
|
36
|
38
|
47
|
49
|
53
|
63
|
53
|
49
|
91
|
56
|
82
|
105
|
|||
|
2025/01
|
57
|
47
|
39
|
78
|
114
|
121
|
91
|
60
|
68
|
83
|
114
|
133
|
112
|
96
|
49
|
45
|
51
|
67
|
98
|
170
|
164
|
119
|
133
|
157
|
178
|
170
|
99
|
68
|
81
|
49
|
86
|
|
2024/12
|
54
|
21
|
25
|
30
|
34
|
45
|
46
|
48
|
73
|
74
|
42
|
67
|
100
|
44
|
35
|
46
|
65
|
62
|
67
|
108
|
85
|
48
|
64
|
45
|
56
|
37
|
38
|
45
|
56
|
72
|
56
|
|
2024/11
|
69
|
71
|
85
|
30
|
27
|
48
|
81
|
107
|
90
|
68
|
135
|
69
|
102
|
68
|
97
|
56
|
56
|
92
|
76
|
80
|
107
|
60
|
138
|
101
|
84
|
63
|
25
|
53
|
31
|
58
|
|
|
2024/10
|
27
|
29
|
32
|
36
|
47
|
35
|
49
|
53
|
47
|
23
|
33
|
48
|
58
|
53
|
19
|
33
|
59
|
41
|
27
|
36
|
36
|
38
|
50
|
62
|
71
|
98
|
49
|
49
|
59
|
79
|
78
|
|
2024/09
|
15
|
21
|
28
|
27
|
17
|
20
|
25
|
31
|
36
|
24
|
28
|
31
|
31
|
21
|
31
|
27
|
35
|
39
|
34
|
23
|
31
|
41
|
36
|
39
|
31
|
47
|
50
|
45
|
44
|
25
|
|
|
2024/08
|
13
|
18
|
23
|
27
|
15
|
21
|
30
|
34
|
26
|
31
|
21
|
19
|
24
|
28
|
34
|
38
|
44
|
46
|
20
|
19
|
16
|
15
|
22
|
40
|
27
|
21
|
25
|
29
|
33
|
32
|
21
|
|
2024/07
|
63
|
53
|
24
|
20
|
24
|
31
|
51
|
66
|
57
|
75
|
86
|
78
|
72
|
66
|
61
|
42
|
20
|
26
|
40
|
28
|
30
|
24
|
13
|
25
|
23
|
19
|
15
|
8
|
16
|
21
|
20
|
|
2024/06
|
18
|
21
|
34
|
41
|
50
|
42
|
46
|
25
|
29
|
34
|
46
|
27
|
36
|
20
|
17
|
24
|
24
|
35
|
53
|
38
|
42
|
46
|
12
|
8
|
20
|
36
|
46
|
48
|
38
|
50
|
|
|
2024/05
|
48
|
60
|
70
|
73
|
54
|
65
|
52
|
60
|
58
|
58
|
54
|
35
|
38
|
39
|
25
|
38
|
50
|
51
|
25
|
33
|
45
|
57
|
33
|
29
|
40
|
14
|
15
|
27
|
33
|
24
|
13
|
|
2024/04
|
60
|
83
|
67
|
64
|
104
|
81
|
64
|
49
|
77
|
148
|
105
|
117
|
70
|
78
|
148
|
99
|
70
|
75
|
125
|
257
|
199
|
97
|
77
|
65
|
56
|
75
|
59
|
46
|
81
|
56
|
|
|
2024/03
|
40
|
42
|
39
|
42
|
49
|
58
|
47
|
36
|
47
|
78
|
99
|
45
|
50
|
49
|
81
|
63
|
21
|
40
|
42
|
40
|
49
|
39
|
53
|
25
|
43
|
53
|
75
|
225
|
81
|
52
|
48
|
|
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