Air Quality
Excellent
No health implications.
14
PM2.5
18
PM10
69
O3
0.4
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
59
Good
Sun
4 May
57
Good
Mon
5 May
57
Good
Tue
6 May
55
Good
Wed
7 May
82
Good
Thu
8 May
64
Good
Fri
9 May
45
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