Air Quality for NearSys Station, 18 - 25 October 2019

We had two brief excursions into bad air quality last week. Otherwise, good air all around.

24-Hour Photometer for NearSys Station, 26 October 2019

We had a very clear day on Saturday. I think that explains why the sunlight was so intense in the afternoon - there was no haze or clouds to scatter the sunlight. However, I don't know why the afternoon shows so much fluctuation in sky brightness intensity.

24-Hour Temperature and Relative Humidity for NearSys Station, 26 October 2019

We had strong winds on Saturday morning. So the sun shield was blown over and exposed the datalogger for a while. We experienced an odd pulse in relative humidity shortly after midnight.

Visibility for NearSys Station, 20 October 2019

Visibility at NearSys was 50 miles Sunday afternoon, but just barely.

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West

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East

24-Hour Photometer for NearSys Station, 19 October 2019

Winds at about 1:00 PM blew over the photometer. So there's a drop in sky brightness starting at about that time. I was able to flip it back over at 4:00 PM.

24-Hour Temperature and Relative Humidity for NearSys Station, 19 October 2019

Wind speeds picked up during the day and blew over the datalogger and its sun shield (starting at around 7:00 AM). So there's an unusual spike in the temperature until I got home to flip it back over.

 

Air Quality for NearSys Station, 11 - 18 October 2019

By and large, the air quality remained good all week. NearSys Station experienced one momentary excursion into the yellow category (between 50 and 100 micrograms per cubic meter) and two into the red category (above 100).

Air Quality for NearSys Station, 4 October to 11 October

Air quality was in the green category for this week except for five excursions into the yellow. One of those excursions took the air quality into the red category.

Visibility for NearSys Station, 13 October 2019

Low altitude haze is responsible for our visibility barely reaching 50 miles.

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West

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East

24-Hour Photometer for NearSys Station, 12 October 2019

A clear day again. Not much in the way of clouds, but the blue and violet-UV bands are responding with curious blips.

24-Hour Temperature and Relative Humidity for NearSys Station, 12 October 2019

It warmed up more slowly than it cooled down. Otherwise, we got down to freezing again and the relative humidity reached 100%. This combination indicates frost.

Air Quality for NearSys Station, 27 - 30 September 2019

Good air quality for the last few days of September. No particulates reached a concentration above 18 micrograms per cubic meter.

Visibility for NearSys Station, 6 October 2019

Clear air, the visibility was in excess of 50 miles since the Boise Mountains were visible.

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West

South

East

24-Hour Temperature and Relative Humidity for NearSys Station, 6 October 2019

We're back to 100% relative humidity late at night.

24-Hour Photometer for NearSys Station, 6 October 2019

We had afternoon cloudiness that didn't effect the ultraviolet flux.