Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Nov
Thu
13 Nov
Fri
14 Nov
Sat
15 Nov
Sun
16 Nov
Mon
17 Nov
Tue
18 Nov
Real-time AQI (Monitoring Station in Dingxi)
将台街
6634
PM2.5
82 *
PM10
31
O3
0.6
CO
14
SO2
30
NO2
正龙路62号
7430
PM2.5
98 *
PM10
46
O3
0.5
CO
8
SO2
27
NO2
Air quality in the last 12 months (Dingxi)
|
2025/10
|
29
|
28
|
29
|
45
|
67
|
28
|
38
|
24
|
28
|
29
|
31
|
37
|
39
|
45
|
40
|
42
|
30
|
41
|
48
|
34
|
28
|
32
|
33
|
36
|
49
|
52
|
53
|
49
|
56
|
62
|
64
|
|
2025/09
|
31
|
56
|
51
|
65
|
60
|
77
|
62
|
47
|
37
|
31
|
31
|
33
|
43
|
35
|
71
|
103
|
31
|
26
|
34
|
29
|
26
|
31
|
37
|
43
|
38
|
34
|
41
|
43
|
51
|
47
|
|
|
2025/08
|
41
|
30
|
31
|
25
|
27
|
30
|
30
|
23
|
25
|
30
|
40
|
32
|
34
|
32
|
34
|
30
|
27
|
27
|
26
|
66
|
26
|
30
|
27
|
29
|
25
|
24
|
23
|
27
|
26
|
32
|
32
|
|
2025/07
|
29
|
25
|
28
|
26
|
30
|
30
|
26
|
26
|
30
|
32
|
27
|
29
|
28
|
36
|
47
|
49
|
36
|
32
|
86
|
30
|
27
|
24
|
29
|
31
|
27
|
28
|
28
|
25
|
31
|
26
|
33
|
|
2025/06
|
40
|
45
|
37
|
35
|
37
|
43
|
51
|
53
|
37
|
43
|
41
|
40
|
43
|
51
|
62
|
37
|
47
|
47
|
42
|
39
|
35
|
26
|
26
|
29
|
26
|
31
|
27
|
31
|
37
|
25
|
|
|
2025/05
|
68
|
129
|
119
|
147
|
115
|
143
|
92
|
66
|
71
|
50
|
44
|
60
|
84
|
51
|
45
|
63
|
144
|
56
|
64
|
57
|
75
|
86
|
48
|
41
|
29
|
52
|
33
|
26
|
30
|
105
|
66
|
|
2025/04
|
120
|
105
|
90
|
120
|
87
|
71
|
61
|
104
|
130
|
75
|
209
|
374
|
114
|
66
|
70
|
172
|
85
|
305
|
158
|
121
|
126
|
93
|
62
|
55
|
59
|
45
|
63
|
53
|
61
|
133
|
|
|
2025/03
|
70
|
47
|
51
|
65
|
50
|
50
|
64
|
69
|
64
|
55
|
207
|
98
|
98
|
53
|
50
|
56
|
48
|
41
|
53
|
60
|
59
|
60
|
77
|
79
|
102
|
415
|
104
|
95
|
77
|
90
|
79
|
|
2025/02
|
61
|
62
|
55
|
53
|
51
|
50
|
63
|
69
|
68
|
58
|
90
|
87
|
70
|
69
|
64
|
73
|
68
|
56
|
67
|
58
|
50
|
61
|
51
|
54
|
57
|
54
|
52
|
57
|
|||
|
2025/01
|
64
|
68
|
75
|
71
|
72
|
63
|
54
|
66
|
71
|
63
|
69
|
68
|
71
|
72
|
66
|
60
|
63
|
70
|
69
|
67
|
85
|
86
|
75
|
71
|
69
|
82
|
92
|
108
|
133
|
83
|
59
|
|
2024/12
|
66
|
73
|
57
|
56
|
61
|
62
|
55
|
52
|
47
|
68
|
63
|
58
|
58
|
78
|
81
|
74
|
79
|
63
|
78
|
84
|
62
|
53
|
62
|
67
|
76
|
77
|
58
|
69
|
54
|
57
|
57
|
|
2024/11
|
54
|
46
|
54
|
60
|
58
|
45
|
42
|
38
|
52
|
56
|
52
|
57
|
62
|
51
|
65
|
47
|
47
|
36
|
50
|
58
|
59
|
51
|
41
|
52
|
52
|
59
|
65
|
72
|
65
|
70
|
|
|
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