What is the air quality in Hercules today?

The current Air Quality Index (AQI) in Hercules is 24 (Good). PM2.5 concentration is 5.84 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 1.4 (Low).

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.

36 stations

Nearby Monitoring Stations

AQI Forecast

34 4pm

24 7pm

23 10pm

26 1am

27 4am

27 7am

25 10am

27 1pm

Air Quality Index Trend

47h · 102 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

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.84 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Hercules?

Temperature & Precipitation

PM2.5 Trend

47h · 102 stations

PM2.55.84 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX1.4

Low

Station readings (36 stations within 25 km)

5.84

Median

5.78

Average

2.78

Low

17.3

High

PM2.5 µg/m³ · Model: 7.35 · Bias: +1.5

What is the 7-day forecast for Hercules?

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°

07-28

24.1° 13.9°

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: 7.2 µg/m³

Vallejo, Solano, California

10.5 km PM2.5: 7.0 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?

25 Pinole 33 San Pablo 21 Vallejo 22 El Cerrito 20 Benicia 19 Martinez 23 Berkeley 19 American Canyon 22 Orinda 25 Pleasant Hill

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-07-22T02:14 UTC.