ID: 1349

AQSQID: 390810017

Site Name: Steubenville

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

Updated: July 14, 2020, 12:36 p.m.

Location: Steubenville (Pleasant Heights), OH

Reporting: True, Located: True

Current AQI: 17.0

Steubenville (Pleasant Heights) OH, US: 40.366452, -80.615691

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 14, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 14, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.6 μg/m3 (2) 2.0
 
July 14, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.1 μg/m3 (0) N/A
July 14, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 1.3 μg/m3 (5) 5.0
 
July 14, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 1.8 μg/m3 (8) 8.0
 
July 14, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 1.1 μg/m3 (5) 5.0
 
July 14, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.4 μg/m3 (6) 6.0
 
July 14, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.1 μg/m3 (0) 2.0
 
July 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 0.1 μg/m3 (0) 3.0
 
July 14, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 2.1 μg/m3 (9) 9.0
 
July 14, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 1.4 μg/m3 (6) 6.0
 
July 14, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 1.2 μg/m3 (5) 8.0
 
July 13, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 0.7 μg/m3 (3) 14.0
 
July 13, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 1.5 μg/m3 (6) 17.0
 
July 13, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
July 13, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
July 13, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.6 μg/m3 (19) 19.0
 
July 13, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 13, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 13, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
July 13, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 6.1 μg/m3 (25) 28.0
 
July 13, 2020, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
July 13, 2020, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (7) N/A N/A 18.9 μg/m3 (65) 65.0
 
July 13, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 13, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 13, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
July 13, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 3.1 μg/m3 (13) 13.0
 
July 13, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 3.4 μg/m3 (14) 14.0
 
July 13, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 13, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 13, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 13, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 13, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
July 13, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 13, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 10.4 μg/m3 (43) 43.0
 
July 12, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 12, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
July 12, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
July 12, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
July 12, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.8 μg/m3 (12) 29.0
 
July 12, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
July 12, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
July 12, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
July 12, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
July 12, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
July 12, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 12, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 12, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 12, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
July 12, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 12, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 12, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 12, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 12, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 12, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
July 12, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.5 μg/m3 (15) 18.0
 
July 12, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
July 11, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
July 11, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
July 11, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
July 11, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 0.2 μg/m3 (1) 30.0
 
July 11, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 2.5 μg/m3 (10) 31.0
 
July 11, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
July 11, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
July 11, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
July 11, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 1.9 μg/m3 (8) 19.0
 
July 11, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 0.1 μg/m3 (0) 19.0
 
July 11, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.1 μg/m3 (0) 18.0
 
July 11, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.1 μg/m3 (0) 18.0
 
July 11, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.1 μg/m3 (0) 18.0
 
July 11, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.1 μg/m3 (0) N/A
July 11, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 0.1 μg/m3 (0) 5.0
 
July 11, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 0.1 μg/m3 (0) 5.0
 
July 11, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 0.4 μg/m3 (2) 5.0
 
July 11, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 1.6 μg/m3 (7) 7.0
 
July 11, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 2.9 μg/m3 (12) 12.0
 
July 11, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.7 μg/m3 (15) 15.0
 
July 11, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 1.6 μg/m3 (7) 7.0
 
July 11, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.1 μg/m3 (0) 2.0
 
July 11, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 0.2 μg/m3 (1) 3.0
 
July 10, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 0.2 μg/m3 (1) 4.0
 
July 10, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 0.7 μg/m3 (3) 6.0
 
July 10, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 9.2 μg/m3 (38) 38.0
 
July 10, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 10, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 10, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 10, 2020, 5 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 40.0 ppb (31) N/A N/A 27.0 μg/m3 (82) 82.0
 
July 10, 2020, 4 p.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 61.0 ppb (47) N/A N/A 31.0 μg/m3 (90) 90.0
 
July 10, 2020, 3 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 54.0 ppb (42) N/A N/A 18.3 μg/m3 (63) 63.0
 
July 10, 2020, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 41.0 ppb (32) N/A N/A 18.3 μg/m3 (63) 63.0
 
July 10, 2020, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) N/A N/A 17.0 μg/m3 (61) 61.0
 
July 10, 2020, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 13.0 ppb (10) N/A N/A 16.7 μg/m3 (60) 60.0
 
July 10, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 10, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.3 μg/m3 (30) 30.0
 
July 10, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 10, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 10, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 10.4 μg/m3 (43) 43.0
 
July 10, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 12.9 μg/m3 (52) 52.0
 
July 10, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 10, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 6.1 μg/m3 (25) 31.0
 
July 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 7.9 μg/m3 (33) 36.0
 
July 10, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 10, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 13.7 μg/m3 (54) 54.0
 
July 10, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 18.3 μg/m3 (63) 63.0
 
July 9, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 20.1 μg/m3 (67) 67.0
 
July 9, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 71.0 ppb (55) N/A N/A 17.1 μg/m3 (61) 61.0
 
July 9, 2020, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 75.0 ppb (58) N/A N/A 17.9 μg/m3 (63) 63.0
 
July 9, 2020, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 78.0 ppb (61) N/A N/A 24.2 μg/m3 (76) 76.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 81.0 ppb (63) N/A N/A 22.4 μg/m3 (72) 72.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 85.0 ppb (67) N/A N/A 23.6 μg/m3 (75) 75.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 69.0 ppb (53) N/A N/A 15.8 μg/m3 (58) 58.0
 
July 9, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 71.0 ppb (55) N/A N/A 20.8 μg/m3 (69) 69.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 65.0 ppb (50) N/A N/A 25.4 μg/m3 (79) 79.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 39.0 ppb (30) N/A N/A 31.4 μg/m3 (91) 91.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 12.0 ppb (9) N/A N/A 49.9 μg/m3 (136) 136.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (2) N/A N/A 19.5 μg/m3 (66) 66.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 20.9 μg/m3 (69) 69.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 12.1 μg/m3 (50) 50.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 16.1 μg/m3 (59) 59.0
 
July 9, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.6 μg/m3 (53) 53.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 14.4 μg/m3 (55) 55.0
 
July 9, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 12.6 μg/m3 (51) 51.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 63.0 ppb (48) N/A N/A 14.5 μg/m3 (55) 55.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 52.0 ppb (40) N/A N/A 14.2 μg/m3 (55) 55.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) N/A N/A 15.5 μg/m3 (57) 57.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) N/A N/A 13.8 μg/m3 (54) 54.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 18.6 μg/m3 (64) 64.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 46.8 μg/m3 (128) 128.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 8, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 8, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 8, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 8, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
July 7, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
July 7, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 0.2 μg/m3 (1) 30.0
 
July 7, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 0.7 μg/m3 (3) 39.0
 
July 7, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 60.0 ppb (46) N/A N/A 19.1 μg/m3 (65) 65.0
 
July 7, 2020, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 65.0 ppb (50) N/A N/A 18.9 μg/m3 (65) 65.0
 
July 7, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) N/A N/A 12.8 μg/m3 (52) 52.0
 
July 7, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 11.3 μg/m3 (47) 47.0
 
July 7, 2020, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 59.0 ppb (45) N/A N/A 17.1 μg/m3 (61) 61.0
 
July 7, 2020, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 64.0 ppb (49) N/A N/A 25.6 μg/m3 (79) 79.0
 
July 7, 2020, 2 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 38.0 ppb (29) N/A N/A 21.5 μg/m3 (70) 70.0
 
July 7, 2020, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 20.0 ppb (15) N/A N/A 23.8 μg/m3 (75) 75.0
 
July 7, 2020, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (8) N/A N/A 35.6 μg/m3 (100) 100.0
 
July 7, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 17.4 μg/m3 (61) 61.0
 
July 7, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
July 7, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 7, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 7, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 7, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 12.9 μg/m3 (52) 52.0
 
July 7, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 11.2 μg/m3 (47) 47.0
 
July 7, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 11.5 μg/m3 (48) 48.0