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
13 Sep
Mon
14 Sep
Tue
15 Sep
Wed
16 Sep
Thu
17 Sep
Fri
18 Sep
Sat
19 Sep
Real-time AQI (Monitoring Station in Guyuan)
监测站
2816
PM2.5
28
PM10
86
O3
0.6
CO
7
SO2
23
NO2
新区
2311
PM2.5
19
PM10
72
O3
0.4
CO
6
SO2
29
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