What is the air quality trend in Mehlville?

Over the past 7 days, Mehlville had an average AQI of 66 based on station measurements. The worst day was 2026-07-17 with AQI 113.

How is Mehlville air quality measured?

Air quality in Mehlville is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Mehlville, United States

Name: Mehlville Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Mehlville, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	49	25–67	12.4 µg/m³	22h	4
2026-07-20	59	21–106	17.4 µg/m³	22h	4
2026-07-19	61	18–116	18.1 µg/m³	23h	5
2026-07-18	60	20–107	17.2 µg/m³	23h	5
2026-07-17	113	33–176	47.2 µg/m³	24h	5
2026-07-16	72	35–152	22.0 µg/m³	24h	6
2026-07-15	52	32–92	14.1 µg/m³	24h	6

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