87 is in the Moderate range (51–100). Most people can be active outside; if you’re unusually sensitive to coarse particles, consider a shorter or easier outing.
Sky check
No plume detected overhead
Satellite view · Updated Thu 11:45 AM
Air near ground87 · Moderate US AQI
Rain, in motion · Past four hours
Riverdale radar
An active official alert is in effect. Its affected area is described above the briefing.
Ready when you areSee what is moving toward Riverdale.
Watch the last four hours of rain, then search any nearby trail, lake, or address.
Radar animation for Riverdale, covering the past four hours. A marked spot changes the map view, not the forecast on this page.
Outdoor fire check
Thinking about a backyard fire?
Skip the outdoor fire.
Red Flag Warning is in effect. Follow the official instructions.
Next 12 hoursChoose a time to see what is driving the concern.
Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.
Nearby regional view
Explore Fresno
About 22 miles away, the Fresno hub looks more deeply at Fresno area. It reflects that wider area rather than Riverdale’s exact conditions.
About these readingsSources and local limits
Weather
Forecasts, alerts, and radar come from NOAA and the National Weather Service.
Air quality
This reading describes Hanford area, about 14 miles away. Conditions can differ at this exact spot.
Smoke
Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.
This page represents Riverdale, CA, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.