AirNow AQI (PM2.5)
Real-time AirNow AQI (preliminary).
Source: AirNow
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Environment data
Air quality and drought signals.
Track daily air quality trends and weekly drought conditions.
Environment metrics
Signals that shape compliance and policy.
AirNow real-time AQI, AQS regulatory averages, NOAA precipitation, and weekly drought status keep the coalition aligned on risks and response.
Real-time air quality
AirNow AQI by ZIP · Ventura County
AirNow current observations by ZIP across Ventura County.
Source: AirNow AQI · Map tiles © OpenStreetMap contributors.
Daily heatmap
PM2.5 daily pattern
Source: EPA AQS
Daily heatmap
Precipitation pattern
Source: NOAA Climate Data Online
PM2.5 daily average
Daily PM2.5 air quality average.
Source: EPA AQS
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Ozone daily average
Daily ozone air quality average.
Source: EPA AQS
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Daily precipitation
NOAA daily precipitation totals.
Source: NOAA Climate Data Online
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Drought: D1 (sq mi)
Area in moderate drought (weekly).
Source: US Drought Monitor
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Drought: D3 (sq mi)
Area in extreme drought (weekly).
Source: US Drought Monitor
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Data sources
Where the environment data comes from.
AirNow AQI (Current)
Cadence: Hourly · Latest data: Dec 30, 2025 · Checked: Dec 31, 2025
EPA AQS Daily Summary
Cadence: Daily · Latest data: Sep 30, 2025 · Checked: Dec 31, 2025
NOAA Daily Climate Observations
Cadence: Daily · Latest data: Dec 28, 2025 · Checked: Dec 31, 2025
US Drought Monitor County Stats
Cadence: Weekly · Latest data: Dec 23, 2025 · Checked: Dec 31, 2025