PurpleAir Monitors

WCAS PurpleAir Monitoring Dashboard for 2025

Data correction based on article “Development and evaluation of correction models for a low-cost fine particulate matter monitor” by Brayden Nilson, Peter L. Jackson, Corinne L. Schiller and Matthew T. Parsons, (https://amt.copernicus.org/articles/15/3315/2022/)

PurpleAir Monitors Monthly Bubble Plots

2025 PurpleAir Monthly Summary Tables

January WCAS_Breton
N = 7451		 WCAS_CarrotCreek
N = 7451		 WCAS_Cherhill (AQSU-9A00)
N = 7451		 WCAS_DV-CETC(AQSU-4E23)
N = 7451		 WCAS_Edson1 (AQSU - ACD8)
N = 7451		 WCAS_Entwistle1(AQSU-6463)
N = 7451		 WCAS_Entwistle2(AQSU-858E)
N = 7451		 WCAS_Evansburg1 (AQSU-A26A)
N = 7451		 WCAS_FortAssinibione(AQSU-4E29)
N = 7321		 WCAS_Hinton1
N = 7421		 WCAS_Hinton3 (AQSU - 4FE7)
N = 7401		 WCAS_Jasper1(AQSU-2F3F)
N = 7451		 WCAS_Jasper4 (AQSU - D978)
N = 7451		 WCAS_Lakeview(AQSU-5203)
N = 7451		 WCAS_Lodgepole
N = 3991		 WCAS_Mayerthorpe(AQSU-7963)
N = 7421		 WCAS_Meadows (AQSU-C469)
N = 5701		 WCAS_Neerlandia(AQSU-46A0)
N = 7451		 WCAS_Pigeon Lake(AQSU-FFC0)
N = 7451		 WCAS_Sangudo
N = 7451		 WCAS_Wagner
N = 7451		 WCAS_Whitecourt COC
N = 7451
PM2.5_PA 2.9 (12.0) 4.5 (20.3) 3.2 (12.4) 3.8 (14.1) 4.3 (18.8) 4.9 (19.5) 5.6 (21.8) 5.3 (21.7) 6.4 (25.8) 6.6 (37.5) 5.6 (25.3) 3.4 (21.8) 2.8 (21.1) 4.2 (16.1) 5.9 (22.2) 5.4 (25.6) 3.5 (17.3) 3.5 (15.0) 3.9 (16.1) 5.4 (23.7) 4.8 (22.2) 8.9 (30.6)
1 Mean (95th percentile)
February WCAS_CarrotCreek
N = 6721		 WCAS_Cherhill (AQSU-9A00)
N = 6721		 WCAS_DV-CETC(AQSU-4E23)
N = 6721		 WCAS_Edson1 (AQSU - ACD8)
N = 6721		 WCAS_Entwistle1(AQSU-6463)
N = 6721		 WCAS_Evansburg1 (AQSU-A26A)
N = 6721		 WCAS_FortAssinibione(AQSU-4E29)
N = 6151		 WCAS_Hinton1
N = 6721		 WCAS_Hinton3 (AQSU - 4FE7)
N = 6721		 WCAS_Jasper1(AQSU-2F3F)
N = 6721		 WCAS_Jasper4 (AQSU - D978)
N = 6721		 WCAS_Lakeview(AQSU-5203)
N = 6721		 WCAS_Mayerthorpe(AQSU-7963)
N = 6711		 WCAS_Meadows (AQSU-C469)
N = 5731		 WCAS_Pigeon Lake(AQSU-FFC0)
N = 6721		 WCAS_Sangudo
N = 6721		 WCAS_Wagner
N = 6721
PM2.5_PA 5.5 (19.7) 3.4 (15.0) 3.3 (12.5) 7.0 (24.4) 5.6 (19.2) 5.0 (14.5) 6.3 (23.0) 11.0 (40.7) 7.7 (25.6) 4.0 (17.6) 3.2 (14.1) 4.3 (16.9) 4.6 (15.7) 5.4 (18.4) 6.1 (21.7) 5.5 (20.7) 5.4 (21.1)
1 Mean (95th percentile)
March WCAS_Breton
N = 7441		 WCAS_CarrotCreek
N = 7441		 WCAS_Cherhill (AQSU-9A00)
N = 7441		 WCAS_DV-CETC(AQSU-4E23)
N = 7441		 WCAS_Edson1 (AQSU - ACD8)
N = 7441		 WCAS_Entwistle1(AQSU-6463)
N = 7441		 WCAS_Entwistle2(AQSU-858E)
N = 7441		 WCAS_Evansburg1 (AQSU-A26A)
N = 7441		 WCAS_Hinton1
N = 7441		 WCAS_Hinton3 (AQSU - 4FE7)
N = 7441		 WCAS_Jasper1(AQSU-2F3F)
N = 7441		 WCAS_Jasper4 (AQSU - D978)
N = 7441		 WCAS_Lakeview(AQSU-5203)
N = 7441		 WCAS_Lodgepole
N = 5551		 WCAS_Mayerthorpe(AQSU-7963)
N = 7441		 WCAS_Meadows (AQSU-C469)
N = 6331		 WCAS_Neerlandia(AQSU-46A0)
N = 7441		 WCAS_Pigeon Lake(AQSU-FFC0)
N = 7441		 WCAS_Sangudo
N = 7441		 WCAS_Wagner
N = 7441
PM2.5_PA 3.4 (12.2) 3.5 (12.9) 3.8 (15.3) 4.4 (14.6) 3.9 (14.0) 3.9 (12.3) 5.0 (14.4) 4.5 (14.4) 4.7 (16.6) 6.2 (17.8) 2.1 (8.0) 2.4 (8.3) 4.7 (15.4) 3.7 (12.7) 3.9 (14.6) 3.5 (12.5) 4.7 (18.7) 4.7 (16.9) 4.3 (17.0) 4.1 (14.3)
1 Mean (95th percentile)
April WCAS_Breton
N = 7201		 WCAS_CarrotCreek
N = 7201		 WCAS_Cherhill (AQSU-9A00)
N = 7201		 WCAS_DV-CETC(AQSU-4E23)
N = 7201		 WCAS_Edson1 (AQSU - ACD8)
N = 7201		 WCAS_Entwistle1(AQSU-6463)
N = 7201		 WCAS_Entwistle2(AQSU-858E)
N = 7201		 WCAS_Evansburg1 (AQSU-A26A)
N = 7201		 WCAS_FortAssinibione(AQSU-4E29)
N = 4351		 WCAS_Hinton1
N = 7201		 WCAS_Hinton2
N = 6831		 WCAS_Hinton3 (AQSU - 4FE7)
N = 7181		 WCAS_Jasper1(AQSU-2F3F)
N = 7201		 WCAS_Lakeview(AQSU-5203)
N = 7201		 WCAS_Lodgepole
N = 4811		 WCAS_Mayerthorpe(AQSU-7963)
N = 7201		 WCAS_Meadows (AQSU-C469)
N = 6721		 WCAS_Neerlandia(AQSU-46A0)
N = 7201		 WCAS_Pigeon Lake(AQSU-FFC0)
N = 7191		 WCAS_Sangudo
N = 7201
PM2.5_PA 1.3 (5.2) 1.6 (5.9) 1.4 (6.9) 1.5 (6.3) 1.7 (6.5) 1.8 (6.8) 2.2 (8.3) 2.0 (7.1) 1.8 (8.5) 2.7 (9.8) 1.9 (6.8) 3.2 (9.8) 1.5 (6.2) 1.8 (7.2) 1.6 (5.4) 1.8 (7.7) 1.3 (6.1) 1.8 (8.7) 2.3 (8.8) 1.5 (7.1)
1 Mean (95th percentile)
May WCAS_Barrhead(AQSU-24E4)
N = 7441		 WCAS_Breton
N = 7441		 WCAS_DV-CETC(AQSU-4E23)
N = 7191		 WCAS_Edson1 (AQSU - ACD8)
N = 7441		 WCAS_Entwistle1(AQSU-6463)
N = 7441		 WCAS_Evansburg1 (AQSU-A26A)
N = 7441		 WCAS_FortAssinibione(AQSU-4E29)
N = 4821		 WCAS_Hinton1
N = 7441		 WCAS_Hinton3 (AQSU - 4FE7)
N = 7441		 WCAS_Jasper1(AQSU-2F3F)
N = 7441		 WCAS_Jasper4 (AQSU - D978)
N = 7441		 WCAS_Lakeview(AQSU-5203)
N = 7441		 WCAS_Mayerthorpe(AQSU-7963)
N = 7421		 WCAS_Meadows (AQSU-C469)
N = 6381		 WCAS_Neerlandia(AQSU-46A0)
N = 7441		 WCAS_Pigeon Lake(AQSU-FFC0)
N = 7441		 WCAS_Sangudo
N = 7381
PM2.5_PA 7.4 (13.7) 3.2 (8.8) 3.6 (10.1) 2.6 (6.7) 3.6 (10.3) 4.4 (11.3) 5.4 (12.4) 2.4 (7.9) 3.0 (7.5) 1.2 (3.4) 1.2 (3.3) 4.9 (13.7) 4.2 (10.0) 3.6 (10.9) 6.3 (21.2) 4.3 (14.3) 3.9 (9.3)
1 Mean (95th percentile)
June WCAS_Barrhead(AQSU-24E4)
N = 6121		 WCAS_Breton
N = 7201		 WCAS_Cherhill (AQSU-9A00)
N = 7201		 WCAS_DV-CETC(AQSU-4E23)
N = 7201		 WCAS_Entwistle1(AQSU-6463)
N = 7201		 WCAS_Entwistle2(AQSU-858E)
N = 7201		 WCAS_Evansburg1 (AQSU-A26A)
N = 7201		 WCAS_Hinton1
N = 7201		 WCAS_Hinton3 (AQSU - 4FE7)
N = 7201		 WCAS_Jasper1(AQSU-2F3F)
N = 7201		 WCAS_Lakeview(AQSU-5203)
N = 7201		 WCAS_Mayerthorpe(AQSU-7963)
N = 7181		 WCAS_Meadows (AQSU-C469)
N = 6021		 WCAS_Neerlandia(AQSU-46A0)
N = 7201		 WCAS_Pigeon Lake(AQSU-FFC0)
N = 7201		 WCAS_Wagner
N = 7171		 WCAS_Whitecourt COC
N = 4231
PM2.5_PA 12.4 (22.8) 12.9 (47.9) 16.0 (59.4) 15.0 (60.5) 15.0 (55.7) 15.6 (56.5) 16.8 (58.9) 14.6 (71.8) 15.2 (72.7) 9.5 (50.4) 16.8 (66.6) 14.1 (44.5) 15.4 (64.9) 16.5 (55.6) 14.7 (55.1) 15.0 (58.8) 8.3 (19.3)
1 Mean (95th percentile)
July WCAS_Barrhead(AQSU-855E)
N = 7131		 WCAS_Breton
N = 7131		 WCAS_CarrotCreek
N = 7131		 WCAS_Cherhill (AQSU-9A00)
N = 7131		 WCAS_DV-CETC(AQSU-4E23)
N = 7131		 WCAS_Edson1 (AQSU - ACD8)
N = 7131		 WCAS_Entwistle1(AQSU-6463)
N = 7121		 WCAS_Entwistle2(AQSU-858E)
N = 7131		 WCAS_Evansburg1 (AQSU-A26A)
N = 7131		 WCAS_FortAssinibione(AQSU-4E29)
N = 3311		 WCAS_Hinton1
N = 7131		 WCAS_Hinton3 (AQSU - 4FE7)
N = 7131		 WCAS_Jasper1(AQSU-2F3F)
N = 6891		 WCAS_Jasper4 (AQSU - D978)
N = 7131		 WCAS_Lakeview(AQSU-5203)
N = 7131		 WCAS_Mayerthorpe(AQSU-7963)
N = 7121		 WCAS_Meadows (AQSU-C469)
N = 5881		 WCAS_Neerlandia(AQSU-46A0)
N = 7131		 WCAS_Pigeon Lake(AQSU-FFC0)
N = 7121		 WCAS_Sangudo
N = 7131		 WCAS_Wagner
N = 6861		 WCAS_Whitecourt COC
N = 4091
PM2.5_PA 12.2 (36.1) 8.7 (27.0) 8.7 (32.1) 9.6 (31.2) 8.7 (33.1) 7.9 (27.9) 8.8 (31.2) 9.1 (30.6) 10.2 (33.2) 11.6 (33.8) 7.3 (22.2) 8.4 (23.9) 4.2 (12.5) 4.9 (14.3) 10.4 (32.5) 8.8 (28.9) 9.4 (31.1) 11.5 (33.4) 8.7 (28.7) 10.2 (34.5) 9.2 (31.4) 9.1 (35.2)
1 Mean (95th percentile)

PurpleAir BoxPlot for 2025

PurpleAir Daily 2025 Averages

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PurpleAir 2025 Profile

based on regional average PurpleAir

PM2.5 Interactive Historical Hourly Trace

PurpleAir Monitors in Alberta active in last 30 days