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
9 Sep
Wed
10 Sep
Thu
11 Sep
Fri
12 Sep
Sat
13 Sep
Sun
14 Sep
Mon
15 Sep
Real-time AQI (Monitoring Station in Guyuan)
监测站
319
PM2.5
31
PM10
66
O3
0.2
CO
7
SO2
11
NO2
新区
3514
PM2.5
35
PM10
56
O3
0.3
CO
8
SO2
12
NO2
原州区十五小
3818
PM2.5
38
PM10
47
O3
0.3
CO
9
SO2
16
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