AQSQID: 150012016

Site Name: Pahala

Location: Pahala (Mamalahoa Hwy), HI

Reporting: True, Located: True

Current AQI: 4.0

Pahala (Mamalahoa Hwy) HI, US: 19.2065, -155.4689

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 10, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
April 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 9, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 9, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 9, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 9, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 9, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -7.0 μg/m3 (0) 1.0
 
April 9, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -5.0 μg/m3 (0) 1.0
 
April 9, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 9, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 9, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 9, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 9, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 9, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 9, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 9, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 9, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 9, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 9, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 9, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 9, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 9, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 9, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 8, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 8, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 8, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 8, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 8, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 8, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -5.0 μg/m3 (0) 1.0
 
April 8, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 8, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 8, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 8, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 8, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 8, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 8, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 8, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 8, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 8, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 8, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 8, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 8, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 8, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 8, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 8, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -5.0 μg/m3 (0) 1.0
 
April 8, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 8, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 7, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 7, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 7, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 7, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 7, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -5.0 μg/m3 (0) 1.0
 
April 7, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 7, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 7, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -3.0 μg/m3 (0) 1.0
 
April 7, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 7, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 7, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 7, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 7, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 7, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 7, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 7, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 7, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 7, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 7, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 7, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 6, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 6, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 6, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 6, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -3.0 μg/m3 (0) 1.0
 
April 6, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
April 6, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -3.0 μg/m3 (0) 1.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 6, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 6, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 6, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 6, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 6, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 6, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 6, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -3.0 μg/m3 (0) 1.0
 
April 6, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
April 5, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
April 5, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 5, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -5.0 μg/m3 (0) 1.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 5, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 5, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 5, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -5.0 μg/m3 (0) 1.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -1.0 μg/m3 (0) 1.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A N/A -1.0 μg/m3 (0) 4.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A -6.0 μg/m3 (0) 3.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 1.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 1.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A -7.0 μg/m3 (0) 3.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) N/A
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0