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
16 Aug
Mon
17 Aug
Tue
18 Aug
Wed
19 Aug
Thu
20 Aug
Fri
21 Aug
Sat
22 Aug
Real-time AQI (Monitoring Station in Guyuan)
监测站
4618
PM2.5
46
PM10
102
O3
0.5
CO
8
SO2
21
NO2
新区
4616
PM2.5
46
PM10
97
O3
0.5
CO
8
SO2
22
NO2
Air quality in the last 12 months (Guyuan)
|
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
|
|
|
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
|
|
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