Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
Thu
18 Sep
Fri
19 Sep
Sat
20 Sep
Sun
21 Sep
Mon
22 Sep
Tue
23 Sep
Guyuan Air quality rank
Real-time AQI (Monitoring Station in Guyuan)
监测站
2410
PM2.5
10
PM10
76
O3
0.3
CO
6
SO2
9
NO2
新区
223
PM2.5
21
PM10
68
O3
0.2
CO
6
SO2
9
NO2
原州区十五小
257
PM2.5
10
PM10
77
O3
0.2
CO
9
SO2
8
NO2
Air quality in the last 12 months (Guyuan)
|
2025/08
|
38
|
32
|
31
|
23
|
29
|
38
|
34
|
17
|
20
|
23
|
41
|
23
|
27
|
29
|
31
|
22
|
20
|
16
|
18
|
113
|
24
|
32
|
13
|
16
|
17
|
16
|
26
|
20
|
13
|
17
|
24
|
|
2025/07
|
20
|
18
|
21
|
21
|
17
|
25
|
19
|
29
|
25
|
28
|
20
|
30
|
28
|
25
|
42
|
47
|
41
|
34
|
82
|
25
|
24
|
20
|
25
|
23
|
25
|
16
|
19
|
21
|
29
|
26
|
47
|
|
2025/06
|
41
|
42
|
39
|
31
|
30
|
35
|
39
|
44
|
46
|
42
|
43
|
42
|
48
|
72
|
66
|
48
|
43
|
37
|
39
|
30
|
26
|
30
|
21
|
27
|
20
|
20
|
21
|
26
|
30
|
13
|
|
|
2025/05
|
111
|
144
|
111
|
144
|
235
|
140
|
86
|
145
|
137
|
52
|
35
|
57
|
93
|
63
|
55
|
94
|
158
|
67
|
55
|
54
|
83
|
92
|
33
|
33
|
21
|
35
|
28
|
28
|
31
|
58
|
39
|
|
2025/04
|
93
|
88
|
96
|
131
|
88
|
90
|
62
|
124
|
126
|
68
|
201
|
326
|
148
|
45
|
70
|
231
|
87
|
218
|
140
|
102
|
183
|
99
|
52
|
57
|
59
|
38
|
52
|
45
|
68
|
233
|
|
|
2025/03
|
68
|
40
|
37
|
37
|
48
|
42
|
69
|
66
|
64
|
46
|
179
|
97
|
84
|
52
|
45
|
48
|
44
|
31
|
52
|
68
|
66
|
71
|
89
|
70
|
73
|
315
|
113
|
120
|
59
|
70
|
69
|
|
2025/02
|
46
|
47
|
37
|
38
|
40
|
57
|
84
|
63
|
53
|
47
|
91
|
77
|
61
|
52
|
57
|
110
|
74
|
72
|
50
|
58
|
61
|
45
|
27
|
40
|
56
|
47
|
50
|
51
|
|||
|
2025/01
|
72
|
45
|
72
|
61
|
44
|
47
|
56
|
44
|
51
|
54
|
86
|
64
|
121
|
54
|
55
|
47
|
64
|
62
|
52
|
52
|
68
|
72
|
134
|
186
|
107
|
107
|
73
|
81
|
145
|
67
|
41
|
|
2024/12
|
39
|
51
|
53
|
48
|
49
|
50
|
41
|
40
|
57
|
77
|
73
|
60
|
52
|
52
|
56
|
48
|
65
|
45
|
59
|
52
|
46
|
53
|
63
|
74
|
65
|
73
|
44
|
48
|
57
|
44
|
39
|
|
2024/11
|
27
|
34
|
45
|
47
|
49
|
36
|
37
|
54
|
60
|
50
|
50
|
53
|
63
|
48
|
78
|
45
|
33
|
18
|
36
|
44
|
42
|
39
|
50
|
54
|
43
|
54
|
68
|
55
|
29
|
38
|
|
|
2024/10
|
39
|
26
|
32
|
21
|
31
|
43
|
36
|
38
|
48
|
47
|
36
|
35
|
34
|
36
|
35
|
43
|
27
|
44
|
13
|
26
|
26
|
27
|
32
|
34
|
44
|
52
|
27
|
32
|
40
|
20
|
28
|
|
2024/09
|
55
|
36
|
27
|
40
|
15
|
16
|
23
|
35
|
30
|
16
|
17
|
26
|
19
|
28
|
23
|
16
|
32
|
37
|
46
|
51
|
33
|
32
|
42
|
44
|
22
|
20
|
66
|
69
|
20
|
22
|
|
|
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
*: primary pollution