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
23 Feb
Mon
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Sat
1 Mar
Real-time AQI (Monitoring Station in Guyuan)
马园
4011
PM2.5
40
PM10
53
O3
0.4
CO
8
SO2
17
NO2
监测站
3614
PM2.5
36
PM10
56
O3
0.5
CO
8
SO2
18
NO2
新区
3212
PM2.5
32
PM10
53
O3
0.5
CO
8
SO2
19
NO2
原州区十五小
3114
PM2.5
31
PM10
62
O3
0.5
CO
9
SO2
17
NO2
Air quality in the last 12 months (Guyuan)
|
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
|
|
2024/04
|
216
|
130
|
72
|
69
|
47
|
49
|
45
|
54
|
43
|
32
|
37
|
39
|
57
|
123
|
130
|
79
|
67
|
65
|
373
|
231
|
52
|
93
|
249
|
68
|
51
|
47
|
35
|
279
|
43
|
38
|
|
|
2024/03
|
49
|
48
|
58
|
61
|
74
|
51
|
109
|
68
|
56
|
72
|
71
|
63
|
42
|
62
|
219
|
226
|
91
|
122
|
104
|
61
|
56
|
88
|
107
|
24
|
46
|
35
|
90
|
61
|
50
|
85
|
60
|
|
2024/02
|
119
|
45
|
42
|
55
|
90
|
62
|
79
|
81
|
47
|
136
|
51
|
56
|
56
|
63
|
46
|
40
|
56
|
336
|
232
|
181
|
106
|
73
|
78
|
130
|
111
|
82
|
82
|
83
|
57
|
||
|
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