AQSQID: 150031001

Site Name: Honolulu

Location: Honolulu, HI

Reporting: True, Located: True

Current AQI: 21.0

Honolulu HI, US: 21.310301, -157.858093

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 14.0 μg/m3 (13) 1.0 μg/m3 (4) 13.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 13.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.5 ppb (6) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 19.0 μg/m3 (17) N/A 17.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 14.0 μg/m3 (13) N/A 13.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 17.0 μg/m3 (15) N/A 15.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 14.0 μg/m3 (13) N/A 13.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 9.0 μg/m3 (8) N/A 8.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 9.0 μg/m3 (8) N/A 8.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 10.0 μg/m3 (9) N/A 9.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 11.0 μg/m3 (10) N/A 10.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 8.0 μg/m3 (7) N/A 7.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 14.0 μg/m3 (13) N/A 13.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 17.0 μg/m3 (15) N/A 15.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 15.0 μg/m3 (14) N/A 14.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 17.0 μg/m3 (15) N/A 15.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 18.0 μg/m3 (16) N/A 16.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 17.0 μg/m3 (15) N/A 15.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 16.0 μg/m3 (15) N/A 15.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 16.0 μg/m3 (15) N/A 15.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 18.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 25.0 μg/m3 (23) 2.0 μg/m3 (8) 23.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.8 ppb (9) 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.7 ppb (8) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 37.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.6 ppb (7) 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0