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
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
Sat
25 Oct
Sun
26 Oct
Real-time AQI (Monitoring Station in Dingxi)
将台街
2816
PM2.5
28
PM10
57
O3
0.5
CO
7
SO2
10
NO2
正龙路62号
2514
PM2.5
25
PM10
54
O3
0.3
CO
4
SO2
8
NO2
Air quality in the last 12 months (Dingxi)
|
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
|
|
|
2024/10
|
34
|
40
|
36
|
32
|
38
|
53
|
43
|
38
|
51
|
48
|
40
|
28
|
37
|
32
|
38
|
41
|
37
|
51
|
39
|
37
|
46
|
43
|
52
|
41
|
45
|
46
|
46
|
52
|
41
|
37
|
43
|
|
2024/09
|
60
|
39
|
39
|
32
|
23
|
29
|
26
|
33
|
31
|
27
|
26
|
28
|
25
|
31
|
25
|
28
|
34
|
34
|
34
|
44
|
32
|
40
|
42
|
43
|
36
|
29
|
44
|
55
|
34
|
33
|
|
|
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