What is the air quality in Hercules today?

The current Air Quality Index (AQI) in Hercules is 30 (Good). PM2.5 concentration is 7.17 µg/m³.

What is the temperature in Hercules right now?

The current temperature in Hercules is 26.7°C (feels like 26.7°C). Humidity is 32.9% and wind speed is 51.8 km/h.

Is it safe to go outside in Hercules?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 24.9 (Extreme).

Air Quality in Hercules, United States

Windy

26.7°C · 32.9% humidity

26.7°

Feels 26.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

37 stations

Nearby Monitoring Stations

AQI Forecast

27 11am

30 2pm

34 5pm

27 8pm

27 11pm

27 2am

27 5am

25 8am

Air Quality Index Trend

48h · 1 stn

View full history →

Hercules's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

32.9%

Humidity

51.8 km/h

Wind SSW

1006.0 hPa

Pressure

24.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.17 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Hercules?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.57.17 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX24.9

Extreme

Station readings (37 stations within 25 km)

7.17

Median

7.03

Average

3.46

Low

13.5

High

PM2.5 µg/m³ · Model: 7.35 · Bias: +0.2

What is the 7-day forecast for Hercules?

07-21

24.9° 14.1°

07-22

26.7° 16.3°

07-23

20.5° 17.1°

07-24

29.8° 14.5°

07-25

23.1° 15.6°

07-26

26.7° 13.4°

07-27

25.1° 15.4°

Both models agree Avg diff: 3.1°C

Where are air quality stations near Hercules?

AW7YBS3Z

4.9 km PM2.5: 4.4 µg/m³

A6LHM5BD

8.2 km PM2.5: 3.2 µg/m³

AGJLDGLM

9.2 km PM2.5: 4.2 µg/m³

AJ08LDN1

9.6 km PM2.5: 4.5 µg/m³

A8JYY391

10.4 km PM2.5: 3.8 µg/m³

Vallejo, Solano, California

10.5 km PM2.5: 18.8 µg/m³

Vallejo, Solano, California

10.5 km PM2.5: 20.7 µg/m³

AL9FR71M

10.7 km PM2.5: 8.5 µg/m³

AFYDTNFN

10.9 km PM2.5: 4.3 µg/m³

AJ3M3FFZ

11.5 km PM2.5: 4.3 µg/m³

What cities are near Hercules?

29 Pinole 30 San Pablo 53 Vallejo 27 El Cerrito 28 Benicia 24 Martinez 28 Berkeley 49 American Canyon 28 Orinda 35 Pleasant Hill

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:48 UTC.