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 Apr
Tue
14 Apr
Wed
15 Apr
Thu
16 Apr
Fri
17 Apr
Sat
18 Apr
Sun
19 Apr
Real-time AQI (Monitoring Station in Guyuan)
监测站
2618
PM2.5
20
PM10
58
O3
0.4
CO
5
SO2
14
NO2
新区
2517
PM2.5
24
PM10
40
O3
0.5
CO
4
SO2
17
NO2
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
2025/08
|
38
|
32
|
31
|
23
|
29
|
38
|
34
|
17
|
20
|
23
|
41
|
23
|
27
|
29
|
31
|
22
|
20
|
16
|
18
|
113
|
24
|
32
|
13
|
16
|
17
|
16
|
26
|
20
|
13
|
17
|
24
|
|
2025/07
|
20
|
18
|
21
|
21
|
17
|
25
|
19
|
29
|
25
|
28
|
20
|
30
|
28
|
25
|
42
|
47
|
41
|
34
|
82
|
25
|
24
|
20
|
25
|
23
|
25
|
16
|
19
|
21
|
29
|
26
|
47
|
|
2025/06
|
41
|
42
|
39
|
31
|
30
|
35
|
39
|
44
|
46
|
42
|
43
|
42
|
48
|
72
|
66
|
48
|
43
|
37
|
39
|
30
|
26
|
30
|
21
|
27
|
20
|
20
|
21
|
26
|
30
|
13
|
|
|
2025/05
|
111
|
144
|
111
|
144
|
235
|
140
|
86
|
145
|
137
|
52
|
35
|
57
|
93
|
63
|
55
|
94
|
158
|
67
|
55
|
54
|
83
|
92
|
33
|
33
|
21
|
35
|
28
|
28
|
31
|
58
|
39
|
|
2025/04
|
93
|
88
|
96
|
131
|
88
|
90
|
62
|
124
|
126
|
68
|
201
|
326
|
148
|
45
|
70
|
231
|
87
|
218
|
140
|
102
|
183
|
99
|
52
|
57
|
59
|
38
|
52
|
45
|
68
|
233
|
|
|
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