Daily AQI report

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For Thursday Apr 27, 2023

The category accuracy of the next-day forecast was 59% (10/17 sites)
for PM2.5 and 86% (12/14 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
Shakopee	16.7	9.4
St Michael	16.5	8.4
HC Andersen	16	9.1
St Cloud	15.9	9.4
Fargo	14.1	10.1
Duluth WD	12.2	3.1
Winona	12.1	8.9
Rochester	11	7
Marshall	10.8	9.1
Virginia	8.8	4.8
Brainerd	8.4	7
Detroit Lakes	6.4	3.6
Leech Lake	6	5.5
Ely	4.8	2.2
Red Lake	4	3.6
Fond Du Lac	3.3	2.6
Grand Portage	3	2.2

Ozone results in ppb

Site	Monitored	MPCA
Rochester	57	49.7
Winona	57	47.5
Detroit Lakes	47	42.1
Marshall	47	47.5
Stanton	47	48.6
Brainerd	45	46.4
Mille Lacs	45	46.4
Ely	44	44.3
St Cloud	43	47.5
Fond Du Lac	42	42.1
Fargo	42	41
Duluth WD	41	43.2
Cedar Creek	40	47.5
MSP	35	49.7

Yesterday's model performance

PM2.5

Model	Error ug/m3	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	3.8	59	0	35	71

Ozone

Model	Error ppb	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	4	86	0	64	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	254

Ozone

Model	Error ppb	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	5.9	83	50	92	17	157

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