Daily AQI report

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For Friday May 05, 2023

The category accuracy of the next-day forecast was 94% (16/17 sites)
for PM2.5 and 93% (13/14 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
Marshall	13	9.1
Fargo	11.2	10.1
HC Andersen	10.3	6.7
Shakopee	9.8	6.7
Rochester	9.5	7.7
Winona	8.5	9.6
St Michael	7.9	3.8
St Cloud	5.7	3.8
Brainerd	4.9	3.8
Virginia	4.9	3.4
Duluth WD	4.5	2.9
Leech Lake	4.5	2.9
Detroit Lakes	4.4	3.4
Ely	3.1	2.9
Fond Du Lac	1.2	1.2
Red Lake	1.3	1.2
Grand Portage	0.4	1.2

Ozone results in ppb

Site	Monitored	MPCA
Winona	57	47.5
Cedar Creek	54	45.4
St Cloud	53	45.4
Rochester	52	45.4
Marshall	49	45.4
Brainerd	47	45.4
Detroit Lakes	47	38.9
Fargo	47	41
Ely	45	36.7
Mille Lacs	44	43.2
Fond Du Lac	42	38.9
Shakopee	42	45.4
MSP	40	34.6
Duluth WD	38	34.6

Yesterday's model performance

PM2.5

Model	Error ug/m3	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	1.7	94	0	76	100

Ozone

Model	Error ppb	CAT accuracy %	Yellow accuracy %	Bullseyes %	On target %
MPCA Team	5.5	93	0	43	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	260

Ozone

Model	Error ppb	On target %	Bullseyes %	Cat accuracy %	Yellow accuracy %	Forecasts
MPCA Team	5.9	83	50	92	17	163

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