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
12 Aug
Wed
13 Aug
Thu
14 Aug
Fri
15 Aug
Sat
16 Aug
Sun
17 Aug
Mon
18 Aug
Real-time AQI (Monitoring Station in Guyuan)
监测站
459
PM2.5
45
PM10
120
O3
0.2
CO
6
SO2
3
NO2
新区
3911
PM2.5
39
PM10
117
O3
0.2
CO
7
SO2
4
NO2
原州区十五小
3610
PM2.5
24
PM10
115
O3
0.3
CO
8
SO2
3
NO2
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
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
|
|
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