Daily AQI report

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For Wednesday Apr 26, 2023

The category accuracy of the next-day forecast was 88% (15/17 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	14.9	7
Marshall	12.5	9.1
Detroit Lakes	9.1	5.3
Rochester	9.1	7.7
HC Andersen	8.8	9.4
Winona	8.9	7
Apple Valley	8.7	6.7
St Cloud	8.7	7.9
St Michael	7.9	7
Brainerd	7.7	6.7
Leech Lake	7.2	4.6
Duluth WD	5.3	4.6
Virginia	4.9	4.6
Ely	2.8	2.4
Red Lake	2.5	2.9
Fond Du Lac	0	3.4
Grand Portage	0	1.9

Ozone results in ppb

Site	Monitored	MPCA
Rochester	53	48.6
Winona	52	45.4
Cedar Creek	51	46.4
Marshall	49	46.4
Stanton	49	47.5
Ely	47	45.4
Mille Lacs	48	47.5
MSP	47	47.5
St Cloud	47	47.5
Brainerd	46	47.5
Fond Du Lac	45	44.3
Duluth WD	43	44.3
Detroit Lakes	42	46.4
Fargo	39	42.1

Yesterday's model performance

PM2.5

Model	Error ug/m3	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	2	88	0	71	94

Ozone

Model	Error ppb	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	2.2	100		93	100

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	253

Ozone

Model	Error ppb	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	5.9	83	50	92	17	156

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