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
29 May
Fri
30 May
Sat
31 May
Sun
1 Jun
Mon
2 Jun
Tue
3 Jun
Wed
4 Jun
Real-time AQI (Monitoring Station in Guyuan)
马园
4420
PM2.5
44
PM10
23
O3
0.5
CO
5
SO2
45
NO2
监测站
3015
PM2.5
30
PM10
52
O3
0.3
CO
4
SO2
20
NO2
新区
2316
PM2.5
23
PM10
73
O3
0.5
CO
5
SO2
9
NO2
原州区十五小
2717
PM2.5
25
PM10
85
O3
0.1
CO
11
SO2
8
NO2
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
2024/05
|
31
|
30
|
12
|
28
|
58
|
61
|
55
|
45
|
31
|
104
|
78
|
51
|
45
|
51
|
78
|
62
|
60
|
48
|
48
|
51
|
36
|
40
|
40
|
53
|
46
|
48
|
30
|
45
|
40
|
52
|
50
|
|
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