Daily AQI report

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For Friday May 12, 2023

The category accuracy of the next-day forecast was 100% (17/17
sites) for PM2.5 and 57% (8/14 sites) for Ozone.

View this weeks complete modeling performance at
AQI-Watch.

MPCA forecast vs Monitoring results

PM2.5 results in ug/m3

Site	Monitored	MPCA
Fargo	14.2	12.1
Apple Valley	10.5	10.8
Fond Du Lac	10	7.2
HC Andersen	9.8	10.8
Duluth WD	9.7	8.4
St Michael	9.7	9.6
Rochester	9.3	9.6
Winona	9.3	9.6
St Cloud	9	8.4
Detroit Lakes	7	10.8
Leech Lake	6.9	8.4
Brainerd	6.7	4.8
Marshall	6.7	8.4
Virginia	6	7.2
Ely	5.6	4.8
Red Lake	3.7	6
Grand Portage	1.6	2.4

Ozone results in ppb

Site	Monitored	MPCA
Brainerd	58	51.8
Fargo	58	48.6
Anoka	58	48.6
MSP	57	49.7
Shakopee	57	48.6
Detroit Lakes	56	51.8
St Cloud	53	48.6
Duluth WD	52	50.8
Rochester	52	50.8
Mille Lacs	51	48.6
Winona	51	48.6
Ely	50	51.8
Marshall	47	48.6
Fond Du Lac	33	50.8

Yesterday's model performance

PM2.5

Model	Error ug/m3	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	1.3	100	100	88	100

Ozone

Model	Error ppb	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	5.5	57	0	57	93

Overall model performance for next-day forecasts

PM2.5

Model	Error ugm3	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	2.1	93	70	93	16	264

Ozone

Model	Error ppb	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	5.9	83	50	92	17	167

Attention: @DLBro @DDwx @Mtaraldsen @MPCAaqi @ncwitcraft-mpca @dKvale