AQSQID: 370630015

Site Name: Durham Armory

Location: Durham (Stadium Dr), NC

Reporting: True, Located: True

Current AQI: 21.0

Durham (Stadium Dr) NC, US: 36.032955, -78.904037

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (6) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 1.0
 
Jan. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 2.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 2.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 2.0
 
Jan. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Jan. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A -1.0 μg/m3 (0) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
Jan. 16, 2020, 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 N/A
Jan. 16, 2020, 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 N/A
Jan. 16, 2020, 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 N/A
Jan. 16, 2020, 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 N/A
Jan. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
Jan. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Jan. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
Jan. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
Jan. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 15, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
Jan. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Jan. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
Jan. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Jan. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Jan. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
Jan. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
Jan. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
Jan. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Jan. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 15, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 1.0
 
Jan. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A -1.0 μg/m3 (0) 0.0 μg/m3 (0) N/A
Jan. 14, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
Jan. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) -4.0 μg/m3 (0) 4.0
 
Jan. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 4.0
 
Jan. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 0.0 μg/m3 (0) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
Jan. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Jan. 14, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) -2.0 μg/m3 (0) 5.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0