Alberta Capital Airshed

This is an air quality data summary for 2025 at Leduc Sensor

Map

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

Interactive Hourly Trace



Individual Parameter Plots

Air Quality Health Index

AQHI Calendar Plots

AQHI interactive chart

Nitrogen Dioxide

NO2 Calendar Plots

NO2 interactive chart

Readings above hourly AAAQO, Nitrogen Dioxide > 159ppb

[1] "No readings above hourly AAAQO"

Ozone

O3 Calendar Plots

O3 interactive chart

Readings above hourly AAAQO, Ozone > 76ppb

[1] "No readings above hourly AAAQO"

Particulate Matter (PM2.5)

PM2.5 Calendar Plots

PM2.5 interactive chart

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 Daily Averages

Sensor Profile

Sensor Interactive Historical Hourly Trace

Meterology

RH interactive chart

External Temperature interactive chart