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
3 Sep
Fri
4 Sep
Sat
5 Sep
Sun
6 Sep
Mon
7 Sep
Tue
8 Sep
Wed
9 Sep
Real-time AQI (Monitoring Station in Guyuan)
监测站
3717
PM2.5
37
PM10
91
O3
0.3
CO
6
SO2
21
NO2
新区
3221
PM2.5
22
PM10
100
O3
0.4
CO
6
SO2
13
NO2
Air quality in the last 12 months (Guyuan)
|
2026/08
|
38
|
31
|
28
|
30
|
27
|
26
|
24
|
27
|
29
|
33
|
31
|
36
|
36
|
30
|
31
|
32
|
37
|
33
|
34
|
27
|
29
|
25
|
33
|
26
|
27
|
53
|
27
|
30
|
35
|
34
|
35
|
|
2026/07
|
43
|
41
|
34
|
34
|
35
|
39
|
41
|
37
|
39
|
49
|
30
|
27
|
27
|
37
|
32
|
28
|
36
|
114
|
37
|
48
|
36
|
36
|
40
|
41
|
43
|
39
|
27
|
24
|
23
|
120
|
41
|
|
2026/06
|
50
|
49
|
66
|
63
|
37
|
56
|
47
|
38
|
37
|
35
|
34
|
36
|
38
|
38
|
35
|
38
|
36
|
30
|
35
|
31
|
23
|
25
|
24
|
32
|
140
|
51
|
37
|
40
|
39
|
40
|
|
|
2026/05
|
33
|
63
|
35
|
36
|
40
|
70
|
41
|
35
|
47
|
76
|
58
|
49
|
35
|
194
|
75
|
29
|
33
|
37
|
32
|
30
|
182
|
101
|
46
|
23
|
98
|
162
|
75
|
53
|
41
|
39
|
63
|
|
2026/04
|
48
|
48
|
134
|
89
|
72
|
69
|
54
|
54
|
73
|
59
|
53
|
52
|
65
|
46
|
47
|
53
|
41
|
47
|
238
|
106
|
28
|
47
|
65
|
66
|
55
|
53
|
68
|
57
|
49
|
43
|
|
|
2026/03
|
60
|
28
|
65
|
72
|
66
|
64
|
65
|
45
|
48
|
34
|
52
|
131
|
421
|
95
|
73
|
66
|
66
|
117
|
123
|
89
|
97
|
107
|
76
|
77
|
68
|
52
|
52
|
39
|
41
|
32
|
52
|
|
2026/02
|
99
|
69
|
77
|
65
|
53
|
74
|
65
|
58
|
82
|
132
|
91
|
76
|
55
|
100
|
62
|
45
|
76
|
63
|
52
|
49
|
280
|
274
|
138
|
69
|
119
|
85
|
72
|
48
|
|||
|
2026/01
|
66
|
72
|
83
|
46
|
38
|
30
|
29
|
42
|
43
|
63
|
51
|
40
|
54
|
133
|
77
|
79
|
99
|
77
|
47
|
57
|
61
|
70
|
73
|
85
|
404
|
202
|
134
|
126
|
110
|
103
|
109
|
|
2025/12
|
78
|
58
|
60
|
57
|
46
|
40
|
46
|
50
|
45
|
83
|
78
|
117
|
79
|
56
|
60
|
63
|
43
|
48
|
58
|
49
|
44
|
79
|
74
|
62
|
36
|
52
|
42
|
55
|
40
|
65
|
59
|
|
2025/11
|
53
|
58
|
41
|
29
|
36
|
16
|
82
|
77
|
75
|
53
|
44
|
58
|
53
|
46
|
51
|
61
|
41
|
41
|
43
|
62
|
55
|
48
|
75
|
89
|
50
|
210
|
77
|
60
|
54
|
116
|
|
|
2025/10
|
21
|
12
|
14
|
27
|
65
|
21
|
10
|
8
|
10
|
8
|
10
|
23
|
25
|
21
|
31
|
26
|
17
|
26
|
52
|
11
|
15
|
17
|
14
|
13
|
32
|
46
|
36
|
39
|
43
|
62
|
57
|
|
2025/09
|
23
|
55
|
63
|
40
|
53
|
73
|
53
|
41
|
33
|
29
|
17
|
41
|
40
|
36
|
156
|
55
|
18
|
7
|
10
|
10
|
7
|
13
|
17
|
27
|
31
|
43
|
33
|
34
|
42
|
44
|
|
|
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