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
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Sat
1 Mar
Sun
2 Mar
Real-time AQI (Monitoring Station in Guyuan)
马园
2516
PM2.5
25
PM10
73
O3
0.6
CO
6
SO2
11
NO2
原州区十五小
4531
PM2.5
45
PM10
65
O3
0.8
CO
9
SO2
20
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