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
14 Sep
Tue
15 Sep
Wed
16 Sep
Thu
17 Sep
Fri
18 Sep
Sat
19 Sep
Sun
20 Sep
Real-time AQI (Monitoring Station in Guyuan)
监测站
3717
PM2.5
24
PM10
118
O3
0.8
CO
7
SO2
8
NO2
新区
3416
PM2.5
31
PM10
106
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