Daily AQI report

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For Tuesday Apr 25, 2023

The category accuracy of the next-day forecast was 100% (17/17
sites) for PM2.5 and 100% (14/14 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	10.4	6
Winona	8.2	3.8
Marshall	7.1	5.5
Detroit Lakes	6.1	5.3
Leech Lake	6.1	7.4
Brainerd	5.1	3.1
HC Andersen	5	5.3
Rochester	5.1	4.3
Shakopee	4.9	3.6
St Cloud	4.6	2.4
St Michael	4.4	3.4
Duluth WD	3.8	3.4
Virginia	3.3	2.4
Ely	2.1	1.4
Red Lake	1.6	2.4
Grand Portage	0.7	1.9
Fond Du Lac	-0.1	2.6

Ozone results in ppb

Site	Monitored	MPCA
Detroit Lakes	49	44.3
Marshall	48	47.5
Fargo	47	43.2
Rochester	48	45.4
Brainerd	46	45.4
Mille Lacs	45	44.3
Cedar Creek	45	45.4
Stanton	45	45.4
Winona	45	43.2
St Cloud	42	46.4
Ely	41	43.2
Fond Du Lac	40	43.2
Duluth WD	38	44.3
MSP	36	47.5

Yesterday's model performance

PM2.5

Model	Error ug/m3	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	1.6	100		82	100

Ozone

Model	Error ppb	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	3.1	100		86	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	92	70	93	16	252

Ozone

Model	Error ppb	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	5.9	83	50	92	17	155

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