Daily AQI report

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For Wednesday May 17, 2023

The category accuracy of the next-day forecast was 12% (2/17 sites)
for PM2.5 and 86% (12/14 sites) for Ozone.

View this weeks complete modeling performance at
AQI-Watch.

PM2.5 results in ug/m3

Site	Monitored	MPCA
Fargo	49.1	21.1
Marshall	17.2	21.1
Detroit Lakes	15.1	21.1
Shakopee	8.8	21.1
MSP	7.8	21.1
St Michael	7.7	21.1
St Cloud	7.5	21.1
Rochester	7.3	21.1
Brainerd	6.2	21.1
Leech Lake	5.6	21.1
Winona	5.4	21.1
Virginia	4.2	21.1
Duluth WD	4.1	21.1
Fond Du Lac	3.8	21.1
Red Lake	3.3	21.1
Ely	3.2	21.1
Grand Portage	0.1	21.1

Ozone results in ppb

Site	Monitored	MPCA
Marshall	58	60.8
Fargo	54	60.8
Detroit Lakes	45	60.8
Winona	44	37.8
Duluth WD	42	37.8
Mille Lacs	39	37.8
Cedar Creek	39	37.8
Brainerd	38	37.8
Rochester	38	37.8
Fond Du Lac	37	37.8
St Cloud	37	37.8
Stanton	35	37.8
MSP	32	37.8
Ely	21	37.8

Yesterday's model performance

PM2.5

Model	Error ug/m3	On target %	Bullseyes %	CAT accuracy %	Yellow accuracy %
MPCA Team				12	67

Ozone

Model	Error ppb	On target %	Bullseyes %	CAT accuracy %	Yellow accuracy %
MPCA Team				86	100

Note: Some of MPCA's forecasts only predicted AQI color so the
error was not be calculated.

Overall model performance for next-day forecasts

PM2.5

Model	Error ugm3	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	2.2	92	70	93	16	266

Ozone

Model	Error ppb	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	5.9	83	50	92	17	169

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