Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
21 Apr
Tue
22 Apr
Wed
23 Apr
Thu
24 Apr
Fri
25 Apr
Sat
26 Apr
Sun
27 Apr
Real-time AQI (Monitoring Station in Dingxi)
将台街
11960
PM2.5
187 *
PM10
104
O3
0.0
CO
4
SO2
6
NO2
正龙路62号
13648
PM2.5
222 *
PM10
105
O3
0.1
CO
8
SO2
3
NO2
Air quality in the last 12 months (Dingxi)
|
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
|
|
|
2024/08
|
34
|
36
|
33
|
30
|
27
|
30
|
27
|
31
|
67
|
53
|
39
|
42
|
38
|
35
|
45
|
34
|
32
|
29
|
37
|
37
|
39
|
39
|
42
|
41
|
41
|
45
|
30
|
37
|
33
|
32
|
51
|
|
2024/07
|
33
|
36
|
41
|
41
|
41
|
51
|
34
|
26
|
52
|
65
|
49
|
69
|
39
|
29
|
20
|
26
|
35
|
35
|
25
|
24
|
208
|
26
|
46
|
128
|
78
|
56
|
48
|
43
|
32
|
33
|
34
|
|
2024/06
|
54
|
44
|
46
|
39
|
42
|
36
|
40
|
40
|
37
|
42
|
47
|
51
|
50
|
49
|
51
|
32
|
33
|
32
|
42
|
30
|
29
|
43
|
38
|
48
|
43
|
36
|
31
|
32
|
41
|
34
|
|
|
2024/05
|
45
|
31
|
31
|
52
|
60
|
68
|
62
|
47
|
43
|
48
|
57
|
52
|
53
|
56
|
59
|
62
|
69
|
69
|
61
|
64
|
47
|
47
|
53
|
59
|
65
|
58
|
45
|
36
|
36
|
48
|
73
|
|
2024/04
|
64
|
118
|
60
|
61
|
50
|
45
|
48
|
49
|
45
|
41
|
48
|
43
|
55
|
108
|
173
|
74
|
57
|
53
|
59
|
55
|
48
|
53
|
110
|
66
|
52
|
58
|
48
|
140
|
39
|
46
|
|
|
2024/03
|
61
|
68
|
52
|
52
|
90
|
60
|
136
|
98
|
61
|
70
|
62
|
57
|
44
|
54
|
168
|
253
|
71
|
90
|
72
|
68
|
48
|
63
|
80
|
41
|
48
|
41
|
50
|
54
|
50
|
135
|
62
|
|
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