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Hourly Weather | Today › Wednesday, August 5, 2026
Active Weather Warnings
Meridian, Idaho
1 PM
Cloudy Weather
90°
Feels Like 97°
0
Humidity: 14%
UV Index: 9
Wind: 5 mph
2 PM
Cloudy Weather
91°
Feels Like 99°
0
Humidity: 13%
UV Index: 8
Wind: 6 mph
3 PM
Cloudy Weather
91°
Feels Like 99°
0
Humidity: 12%
UV Index: 6
Wind: 6 mph
4 PM
Cloudy Weather
93°
Feels Like 97°
0
Humidity: 11%
UV Index: 4
Wind: 6 mph
5 PM
Cloudy Weather
95°
Feels Like 97°
0
Humidity: 10%
UV Index: 3
Wind: 7 mph
6 PM
Cloudy Weather
97°
Feels Like 97°
0
Humidity: 10%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
95°
Feels Like 93°
0
Humidity: 11%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Weather
91°
Feels Like 90°
0
Humidity: 13%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
90°
Feels Like 86°
0
Humidity: 15%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
81°
Feels Like 79°
0
Humidity: 20%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 22%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
192 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 134.56 µg/m³
  • PM10: 135.22 µg/m³
  • O3: 0.094 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.40 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

2 PM
165 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 84.03 µg/m³
  • PM10: 84.49 µg/m³
  • O3: 0.091 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.27 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

3 PM
175 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 76.27 µg/m³
  • PM10: 76.73 µg/m³
  • O3: 0.095 ppm
  • NO2: 2.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.26 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

4 PM
184 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 72.05 µg/m³
  • PM10: 72.56 µg/m³
  • O3: 0.099 ppm
  • NO2: 3.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

5 PM
182 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 68.59 µg/m³
  • PM10: 69.15 µg/m³
  • O3: 0.098 ppm
  • NO2: 4.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

6 PM
171 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 64.86 µg/m³
  • PM10: 65.45 µg/m³
  • O3: 0.093 ppm
  • NO2: 4.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

7 PM
157 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 55.24 µg/m³
  • PM10: 55.87 µg/m³
  • O3: 0.088 ppm
  • NO2: 3.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

8 PM
139 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 48.12 µg/m³
  • PM10: 48.79 µg/m³
  • O3: 0.082 ppm
  • NO2: 3.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

9 PM
131 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 47.89 µg/m³
  • PM10: 48.58 µg/m³
  • O3: 0.077 ppm
  • NO2: 2.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

10 PM
152 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 58.99 µg/m³
  • PM10: 59.7 µg/m³
  • O3: 0.074 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

11 PM
162 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 77.34 µg/m³
  • PM10: 78.11 µg/m³
  • O3: 0.075 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.27 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Meridian

Air Quality Alert

Air Quality Alert issued August 4 at 12:16PM MDT by NWS Boise ID
Aug 4, 12:16 PM → Aug 6, 1:00 PM
WHAT: Air Quality Advisory because of degraded air quality due to
wildfire smoke.

Air Quality Index is forecast to be Unhealthy.

WHERE: Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette,
Valley, and Washington Counties.

WHEN: UNTIL 2 PM MDT FRIDAY.

IMPACTS: Everyone may begin to experience health effects; members
of sensitive groups may experience more serious health effects.
+ Read More
Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Boise Regional Office at (208) 373-0550
Updated: Aug 5, 11:52 AM Source: NWS Alert

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