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
19 Jun
Fri
20 Jun
Sat
21 Jun
Sun
22 Jun
Mon
23 Jun
Tue
24 Jun
Wed
25 Jun
Real-time AQI (Monitoring Station in Guyuan)
马园
4512
PM2.5
45
PM10
14
O3
0.7
CO
7
SO2
57
NO2
监测站
3418
PM2.5
34
PM10
39
O3
0.3
CO
5
SO2
28
NO2
新区
4226
PM2.5
42
PM10
37
O3
0.5
CO
3
SO2
24
NO2
原州区十五小
3019
PM2.5
30
PM10
70
O3
0.3
CO
9
SO2
13
NO2
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
2024/08
|
25
|
31
|
29
|
24
|
21
|
22
|
14
|
14
|
97
|
172
|
52
|
38
|
35
|
35
|
60
|
44
|
30
|
25
|
29
|
34
|
34
|
39
|
42
|
44
|
40
|
23
|
22
|
31
|
36
|
35
|
51
|
|
2024/07
|
24
|
25
|
22
|
45
|
66
|
49
|
18
|
38
|
34
|
29
|
31
|
71
|
28
|
20
|
11
|
14
|
25
|
24
|
18
|
20
|
265
|
41
|
16
|
139
|
57
|
34
|
36
|
29
|
26
|
30
|
30
|
|
2024/06
|
47
|
22
|
22
|
27
|
30
|
25
|
29
|
39
|
20
|
25
|
32
|
39
|
37
|
51
|
54
|
31
|
26
|
24
|
27
|
30
|
18
|
33
|
45
|
35
|
36
|
31
|
23
|
25
|
42
|
27
|
|
|
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