Air Quality
Excellent
No health implications.
9
PM2.5
10
PM10
68
O3
0.2
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
65
Good
Wed
12 Mar
52
Good
Thu
13 Mar
61
Good
Fri
14 Mar
68
Good
Sat
15 Mar
72
Good
Sun
16 Mar
17
Excellent
Mon
17 Mar
49
Excellent
Air quality in the last 12 months (Huyanghe)
|
2025/01
|
206
|
206
|
107
|
131
|
112
|
115
|
93
|
101
|
35
|
56
|
54
|
53
|
127
|
98
|
54
|
75
|
141
|
144
|
123
|
153
|
182
|
133
|
46
|
30
|
34
|
39
|
41
|
85
|
219
|
139
|
88
|
|
2024/12
|
71
|
66
|
54
|
33
|
24
|
30
|
48
|
63
|
24
|
18
|
19
|
57
|
54
|
63
|
89
|
69
|
37
|
59
|
45
|
59
|
77
|
76
|
65
|
130
|
137
|
124
|
88
|
55
|
136
|
127
|
144
|
|
2024/11
|
41
|
50
|
54
|
43
|
49
|
57
|
48
|
12
|
16
|
21
|
45
|
43
|
43
|
19
|
27
|
47
|
49
|
51
|
76
|
107
|
82
|
53
|
15
|
33
|
59
|
52
|
55
|
100
|
130
|
105
|
|
|
2024/10
|
33
|
35
|
35
|
26
|
27
|
36
|
38
|
25
|
32
|
48
|
57
|
31
|
23
|
32
|
44
|
42
|
13
|
9
|
12
|
18
|
24
|
44
|
56
|
22
|
26
|
30
|
25
|
42
|
10
|
19
|
38
|
|
2024/09
|
30
|
33
|
11
|
17
|
27
|
33
|
26
|
12
|
23
|
27
|
29
|
16
|
33
|
19
|
33
|
38
|
38
|
44
|
47
|
43
|
47
|
55
|
42
|
40
|
41
|
16
|
11
|
13
|
15
|
23
|
|
|
2024/08
|
23
|
25
|
30
|
28
|
31
|
31
|
19
|
19
|
22
|
32
|
29
|
25
|
24
|
31
|
33
|
33
|
32
|
33
|
15
|
22
|
30
|
26
|
35
|
41
|
27
|
32
|
52
|
39
|
27
|
14
|
22
|
|
2024/07
|
24
|
20
|
20
|
40
|
31
|
24
|
18
|
29
|
22
|
16
|
16
|
22
|
28
|
34
|
29
|
27
|
17
|
27
|
19
|
23
|
32
|
28
|
24
|
31
|
23
|
32
|
27
|
33
|
28
|
57
|
24
|
|
2024/06
|
16
|
32
|
30
|
22
|
18
|
21
|
23
|
23
|
35
|
32
|
27
|
24
|
18
|
14
|
15
|
29
|
24
|
19
|
18
|
21
|
26
|
28
|
32
|
33
|
33
|
26
|
39
|
32
|
33
|
43
|
|
|
2024/05
|
29
|
40
|
50
|
48
|
47
|
47
|
31
|
21
|
21
|
26
|
36
|
43
|
37
|
38
|
46
|
52
|
51
|
42
|
41
|
36
|
13
|
19
|
19
|
16
|
20
|
31
|
14
|
12
|
33
|
21
|
19
|
|
2024/04
|
10
|
16
|
31
|
14
|
19
|
19
|
28
|
28
|
41
|
21
|
14
|
125
|
246
|
195
|
160
|
101
|
25
|
20
|
21
|
29
|
36
|
44
|
43
|
52
|
67
|
30
|
40
|
21
|
26
|
34
|
|
|
2024/03
|
69
|
50
|
52
|
61
|
48
|
98
|
48
|
48
|
76
|
77
|
55
|
69
|
54
|
11
|
28
|
53
|
58
|
43
|
40
|
54
|
58
|
24
|
19
|
46
|
32
|
29
|
40
|
47
|
47
|
35
|
17
|
|
2024/02
|
257
|
147
|
99
|
152
|
162
|
171
|
150
|
103
|
181
|
218
|
133
|
110
|
38
|
48
|
55
|
73
|
65
|
58
|
50
|
55
|
102
|
94
|
122
|
94
|
69
|
100
|
92
|
112
|
155
|
||
|
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