ID: 329

AQSQID: 150010005

Site Name: Hawaii Volcanoes Np - Visitor's Center

Added: April 21, 2020, 6:24 p.m.

Updated: April 22, 2021, 9:43 a.m.

Location: Volcano (Keauhou Ahupua`a), HI

Reporting: True, Located: True

Current AQI: 0.0

Volcano (Keauhou Ahupua`a) HI, US: 19.4308, -155.2578

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 22, 2021, 4 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 22, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 10 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, noon N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 11 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 10 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 9 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 8 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 2 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, 1 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 21, 2021, midnight N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 11 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 10 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 9 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 8 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 11 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 20, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 10 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 9 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 19, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 18, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A N/A N/A 15.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) N/A N/A N/A N/A 29.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A N/A N/A N/A 26.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 17, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A N/A 8.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 27.0 ppb (39) N/A N/A N/A N/A 39.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 76.0 ppb (101) N/A N/A N/A N/A 101.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 35.0 ppb (50) N/A N/A N/A N/A 50.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A N/A N/A N/A 26.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A N/A N/A 15.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 16, 2021, midnight N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0