Alberta Capital Airshed
This is an air quality data summary for 2025 at Leduc Sensor
2025 data summary
| Characteristic |
Operational Hrs |
Range (min) |
25th Percentile |
Mean |
75th Percentile |
95th Percentile |
Range (max) |
Percent Valid |
| NO2 |
7,521.0 |
0.0 |
1.0 |
6.9 |
10.9 |
17.2 |
84.7 |
95.0% |
| O3 |
7,567.0 |
0.4 |
26.0 |
32.6 |
38.9 |
50.6 |
68.1 |
95.6% |
| PM2.5 |
7,564.0 |
0.8 |
2.7 |
6.9 |
6.8 |
21.3 |
189.4 |
95.6% |
2025 graphical summary

Individual Parameter Plots
Air Quality Health Index
AQHI Calendar Plots

Nitrogen Dioxide
NO2 Calendar Plots

Readings above hourly AAAQO, Nitrogen Dioxide > 159ppb
[1] "No readings above hourly AAAQO"
Ozone
O3 Calendar Plots

Readings above hourly AAAQO, Ozone > 76ppb
[1] "No readings above hourly AAAQO"
Particulate Matter (PM2.5)
PM2.5 Calendar Plots

PM2.5 > 80µg/m³ (AAAQG), 2025
|
date
|
PM2.5
|
NO2
|
ET
|
O3
|
RH
|
site
|
|
2025-05-29 20:00:00
|
88
|
0.0
|
13
|
22
|
94
|
Leduc Station
|
|
2025-06-03 11:00:00
|
81
|
0.0
|
18
|
42
|
21
|
Leduc Station
|
|
2025-06-10 02:00:00
|
89
|
19.9
|
15
|
14
|
30
|
Leduc Station
|
|
2025-06-10 03:00:00
|
97
|
14.4
|
19
|
20
|
21
|
Leduc Station
|
|
2025-06-10 04:00:00
|
99
|
3.8
|
22
|
31
|
13
|
Leduc Station
|
|
2025-06-10 17:00:00
|
115
|
0.2
|
15
|
30
|
28
|
Leduc Station
|
|
2025-06-10 18:00:00
|
189
|
0.0
|
14
|
28
|
29
|
Leduc Station
|
|
2025-06-10 19:00:00
|
186
|
0.5
|
13
|
25
|
34
|
Leduc Station
|
|
2025-06-10 20:00:00
|
167
|
1.7
|
12
|
22
|
40
|
Leduc Station
|
|
2025-06-10 21:00:00
|
140
|
1.5
|
12
|
22
|
39
|
Leduc Station
|
|
2025-06-10 22:00:00
|
126
|
4.2
|
12
|
18
|
44
|
Leduc Station
|
|
2025-06-10 23:00:00
|
95
|
8.7
|
11
|
14
|
51
|
Leduc Station
|
|
2025-06-11 00:00:00
|
92
|
8.1
|
11
|
15
|
51
|
Leduc Station
|
|
2025-06-11 01:00:00
|
87
|
10.7
|
12
|
11
|
53
|
Leduc Station
|
|
2025-06-11 02:00:00
|
88
|
6.4
|
12
|
12
|
60
|
Leduc Station
|
|
2025-06-11 03:00:00
|
98
|
1.6
|
14
|
19
|
50
|
Leduc Station
|
|
2025-06-11 04:00:00
|
99
|
0.0
|
16
|
27
|
42
|
Leduc Station
|
|
2025-06-11 05:00:00
|
92
|
0.0
|
17
|
31
|
39
|
Leduc Station
|
|
2025-08-31 21:00:00
|
96
|
3.0
|
23
|
36
|
48
|
Leduc Station
|
|
2025-08-31 22:00:00
|
97
|
3.7
|
20
|
36
|
57
|
Leduc Station
|
|
2025-08-31 23:00:00
|
97
|
5.5
|
18
|
33
|
64
|
Leduc Station
|
|
2025-09-01 00:00:00
|
105
|
6.0
|
17
|
32
|
73
|
Leduc Station
|
|
2025-09-01 01:00:00
|
92
|
6.3
|
15
|
30
|
87
|
Leduc Station
|
|
2025-09-01 11:00:00
|
88
|
3.7
|
21
|
27
|
78
|
Leduc Station
|
|
2025-09-01 12:00:00
|
90
|
2.6
|
25
|
32
|
60
|
Leduc Station
|
|
2025-09-01 18:00:00
|
100
|
3.9
|
22
|
25
|
65
|
Leduc Station
|
|
2025-09-01 19:00:00
|
95
|
4.2
|
20
|
27
|
72
|
Leduc Station
|
|
2025-09-01 20:00:00
|
87
|
4.3
|
18
|
29
|
80
|
Leduc Station
|
PM2.5 > 29µg/m³ (AAAQO), 2025
|
date
|
PM2.5
|
NO2
|
ET
|
O3
|
RH
|
|
2025-06-03 01:00:00
|
31
|
3.3
|
12
|
32
|
48
|
|
2025-06-08 01:00:00
|
44
|
1.1
|
21
|
39
|
22
|
|
2025-06-09 01:00:00
|
29
|
NA
|
18
|
46
|
NA
|
|
2025-06-10 01:00:00
|
90
|
3.6
|
18
|
38
|
22
|
|
2025-06-11 01:00:00
|
46
|
1.1
|
16
|
29
|
39
|
|
2025-06-12 01:00:00
|
29
|
0.2
|
14
|
36
|
74
|
|
2025-09-01 01:00:00
|
66
|
4.1
|
18
|
29
|
81
|
|
2025-09-02 01:00:00
|
36
|
3.9
|
15
|
31
|
74
|
|
2025-09-03 01:00:00
|
40
|
8.8
|
18
|
33
|
64
|
|
2025-09-09 01:00:00
|
35
|
8.9
|
19
|
36
|
66
|
Sensor measured PM2.5
Sensor Summary Plot

Sensor Profile
Sensor Interactive Historical Hourly Trace
Meterology
External Temperature interactive chart