Air Quality
Excellent
No health implications.
11
PM2.5
35
PM10
120
O3
0.5
CO
12
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
61
Good
Tue
6 May
59
Good
Wed
7 May
55
Good
Thu
8 May
61
Good
Fri
9 May
60
Good
Sat
10 May
68
Good
Sun
11 May
30
Excellent
Air quality in the last 12 months (Huyanghe)
|
2025/02
|
52
|
92
|
68
|
65
|
92
|
120
|
153
|
114
|
135
|
92
|
162
|
133
|
55
|
71
|
92
|
72
|
82
|
146
|
132
|
94
|
76
|
104
|
85
|
125
|
121
|
107
|
50
|
58
|
|||
|
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
|
|
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