ID: 2660

AQSQID: 131210056

Site Name: Nr-Georgia Tech

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

Updated: Sept. 27, 2020, 8:39 a.m.

Location: Atlanta (Georgia Tech), GA

Reporting: True, Located: True

Current AQI: 33.0

Atlanta (Georgia Tech) GA, US: 33.778315, -84.391418

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 27, 2020, 7 a.m. 35.3 ppb (33) 22.5 ppb (21) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A N/A 33.0
 
Sept. 27, 2020, 6 a.m. 38.8 ppb (36) 23.8 ppb (22) N/A 15.0 ppb (14) N/A N/A N/A 1.6 ppb (18) N/A N/A 36.0
 
Sept. 27, 2020, 5 a.m. 50.0 ppb (46) 31.9 ppb (30) N/A 18.0 ppb (17) N/A N/A N/A 1.6 ppb (18) N/A N/A 46.0
 
Sept. 27, 2020, 4 a.m. 49.6 ppb (46) 29.6 ppb (27) N/A 20.0 ppb (19) N/A N/A N/A 1.7 ppb (19) N/A N/A 46.0
 
Sept. 27, 2020, 3 a.m. 43.7 ppb (40) 22.1 ppb (20) N/A 22.0 ppb (20) N/A N/A N/A 1.5 ppb (17) N/A N/A 40.0
 
Sept. 27, 2020, 2 a.m. 44.1 ppb (41) 22.9 ppb (21) N/A 21.0 ppb (19) N/A N/A N/A 1.4 ppb (16) N/A N/A 41.0
 
Sept. 27, 2020, 1 a.m. 21.6 ppb (20) 3.6 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A N/A 20.0
 
Sept. 27, 2020, midnight 17.4 ppb (16) 3.7 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 16.0
 
Sept. 26, 2020, 11 p.m. 18.8 ppb (17) 8.7 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A N/A 17.0
 
Sept. 26, 2020, 10 p.m. 21.9 ppb (20) 11.2 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A 0.8 ppb (9) N/A N/A 20.0
 
Sept. 26, 2020, 9 p.m. 13.3 ppb (12) 6.8 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Sept. 26, 2020, 8 p.m. 18.8 ppb (17) 9.8 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 17.0
 
Sept. 26, 2020, 7 p.m. 9.7 ppb (9) 4.6 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A N/A 9.0
 
Sept. 26, 2020, 6 p.m. 21.3 ppb (20) 12.0 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.7 ppb (8) N/A N/A 20.0
 
Sept. 26, 2020, 5 p.m. 19.3 ppb (18) 11.6 ppb (11) N/A 8.0 ppb (7) N/A N/A N/A 0.6 ppb (7) N/A N/A 18.0
 
Sept. 26, 2020, 4 p.m. 27.2 ppb (25) 17.1 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A N/A 25.0
 
Sept. 26, 2020, 3 p.m. 27.2 ppb (25) 17.6 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.8 ppb (9) N/A N/A 25.0
 
Sept. 26, 2020, 2 p.m. 38.6 ppb (36) 29.3 ppb (27) N/A 9.0 ppb (8) N/A N/A N/A 0.8 ppb (9) N/A N/A 36.0
 
Sept. 26, 2020, 1 p.m. 46.8 ppb (43) 37.2 ppb (34) N/A 10.0 ppb (9) N/A N/A N/A 1.1 ppb (12) N/A N/A 43.0
 
Sept. 26, 2020, noon 55.0 ppb (51) 44.9 ppb (42) N/A 10.0 ppb (9) N/A N/A N/A 1.1 ppb (12) N/A N/A 51.0
 
Sept. 26, 2020, 11 a.m. 48.3 ppb (45) 39.6 ppb (37) N/A 9.0 ppb (8) N/A N/A N/A 0.9 ppb (10) N/A N/A 45.0
 
Sept. 26, 2020, 10 a.m. 33.1 ppb (31) 24.3 ppb (23) N/A 9.0 ppb (8) N/A N/A N/A 0.7 ppb (8) N/A 6.3 μg/m3 (26) 31.0
 
Sept. 26, 2020, 9 a.m. 20.6 ppb (19) 11.4 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 26, 2020, 8 a.m. 20.2 ppb (19) 11.7 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.7 ppb (8) N/A 5.8 μg/m3 (24) 24.0
 
Sept. 26, 2020, 7 a.m. 12.1 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 26, 2020, 6 a.m. 19.1 ppb (18) 7.8 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A 5.8 μg/m3 (24) 24.0
 
Sept. 26, 2020, 5 a.m. 26.1 ppb (24) 12.2 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 4.1 μg/m3 (17) 24.0
 
Sept. 26, 2020, 4 a.m. 30.1 ppb (28) 18.6 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 5.2 μg/m3 (22) 28.0
 
Sept. 26, 2020, 3 a.m. 29.4 ppb (27) 20.0 ppb (19) N/A 9.0 ppb (8) N/A N/A N/A 0.8 ppb (9) N/A 4.4 μg/m3 (18) 27.0
 
Sept. 26, 2020, 2 a.m. 28.0 ppb (26) 19.6 ppb (18) N/A 8.0 ppb (7) N/A N/A N/A 0.8 ppb (9) N/A 4.9 μg/m3 (20) 26.0
 
Sept. 26, 2020, 1 a.m. 36.9 ppb (34) 26.5 ppb (25) N/A 10.0 ppb (9) N/A N/A N/A 1.1 ppb (12) N/A 4.3 μg/m3 (18) 34.0
 
Sept. 26, 2020, midnight 21.7 ppb (20) 15.2 ppb (14) N/A 6.0 ppb (6) N/A N/A N/A 0.7 ppb (8) N/A 3.8 μg/m3 (16) 20.0
 
Sept. 25, 2020, 11 p.m. 20.4 ppb (19) 14.8 ppb (14) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A 3.6 μg/m3 (15) 19.0
 
Sept. 25, 2020, 10 p.m. 19.1 ppb (18) 13.9 ppb (13) N/A 5.0 ppb (5) N/A N/A N/A 0.5 ppb (6) N/A 3.4 μg/m3 (14) 18.0
 
Sept. 25, 2020, 9 p.m. 16.8 ppb (16) 11.6 ppb (11) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A 3.4 μg/m3 (14) 16.0
 
Sept. 25, 2020, 8 p.m. 26.4 ppb (24) 18.8 ppb (17) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 3.5 μg/m3 (15) 24.0
 
Sept. 25, 2020, 7 p.m. 28.8 ppb (27) 20.2 ppb (19) N/A 9.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A 3.4 μg/m3 (14) 27.0
 
Sept. 25, 2020, 6 p.m. 25.9 ppb (24) 18.1 ppb (17) N/A 8.0 ppb (7) N/A N/A N/A 0.6 ppb (7) N/A 3.5 μg/m3 (15) 24.0
 
Sept. 25, 2020, 5 p.m. 29.0 ppb (27) 20.1 ppb (19) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 3.2 μg/m3 (13) 27.0
 
Sept. 25, 2020, 4 p.m. 37.0 ppb (34) 26.3 ppb (24) N/A 11.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 3.1 μg/m3 (13) 34.0
 
Sept. 25, 2020, 3 p.m. 39.2 ppb (36) 28.3 ppb (26) N/A 11.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 3.0 μg/m3 (12) 36.0
 
Sept. 25, 2020, 2 p.m. 35.9 ppb (33) 25.8 ppb (24) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A 4.5 μg/m3 (19) 33.0
 
Sept. 25, 2020, 1 p.m. 31.6 ppb (29) 22.5 ppb (21) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 25, 2020, noon 55.0 ppb (51) 41.2 ppb (38) N/A 14.0 ppb (13) N/A N/A N/A 0.8 ppb (9) N/A 6.8 μg/m3 (28) 51.0
 
Sept. 25, 2020, 11 a.m. 65.3 ppb (62) 51.5 ppb (48) N/A 14.0 ppb (13) N/A N/A N/A 0.8 ppb (9) N/A 5.7 μg/m3 (24) 62.0
 
Sept. 25, 2020, 10 a.m. 51.6 ppb (48) 38.8 ppb (36) N/A 13.0 ppb (12) N/A N/A N/A 0.7 ppb (8) N/A 4.4 μg/m3 (18) 48.0
 
Sept. 25, 2020, 9 a.m. 46.0 ppb (43) 31.4 ppb (29) N/A 15.0 ppb (14) N/A N/A N/A 0.7 ppb (8) N/A 4.2 μg/m3 (18) 43.0
 
Sept. 25, 2020, 8 a.m. 23.5 ppb (22) 13.4 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 4.5 μg/m3 (19) 22.0
 
Sept. 25, 2020, 7 a.m. 21.2 ppb (20) 11.8 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 25, 2020, 6 a.m. 18.7 ppb (17) 10.4 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 5 a.m. 17.2 ppb (16) 10.1 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 3.7 μg/m3 (15) 16.0
 
Sept. 25, 2020, 4 a.m. 13.2 ppb (12) 7.9 ppb (7) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 25, 2020, 3 a.m. 18.8 ppb (17) 11.5 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 25, 2020, 2 a.m. 15.2 ppb (14) 8.4 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 25, 2020, 1 a.m. 34.3 ppb (32) 23.8 ppb (22) N/A 11.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 6.9 μg/m3 (29) 32.0
 
Sept. 25, 2020, midnight 27.7 ppb (26) 17.4 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 24, 2020, 11 p.m. 23.9 ppb (22) 14.8 ppb (14) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 24, 2020, 10 p.m. 24.1 ppb (22) 14.4 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 24, 2020, 9 p.m. 27.4 ppb (25) 17.4 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 24, 2020, 8 p.m. 30.4 ppb (28) 18.9 ppb (18) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 24, 2020, 7 p.m. 29.1 ppb (27) 17.3 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 24, 2020, 6 p.m. 40.1 ppb (37) 25.6 ppb (24) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 24, 2020, 5 p.m. 44.7 ppb (41) 29.4 ppb (27) N/A 15.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A N/A 41.0
 
Sept. 24, 2020, 4 p.m. 70.0 ppb (67) 50.5 ppb (47) N/A 19.0 ppb (18) N/A N/A N/A 0.8 ppb (9) N/A N/A 67.0
 
Sept. 24, 2020, 3 p.m. 86.0 ppb (84) 65.3 ppb (62) N/A 21.0 ppb (19) N/A N/A N/A 0.9 ppb (10) N/A N/A 84.0
 
Sept. 24, 2020, 2 p.m. 81.4 ppb (79) 59.2 ppb (56) N/A 22.0 ppb (20) N/A N/A N/A 0.9 ppb (10) N/A N/A 79.0
 
Sept. 24, 2020, 1 p.m. 100.9 ppb (100) 75.3 ppb (73) N/A 25.0 ppb (23) N/A N/A N/A 0.9 ppb (10) N/A N/A 100.0
 
Sept. 24, 2020, noon 85.0 ppb (83) 63.1 ppb (60) N/A 22.0 ppb (20) N/A N/A N/A 1.0 ppb (11) N/A N/A 83.0
 
Sept. 24, 2020, 11 a.m. 87.7 ppb (86) 65.9 ppb (63) N/A 22.0 ppb (20) N/A N/A N/A 1.1 ppb (12) N/A N/A 86.0
 
Sept. 24, 2020, 10 a.m. 65.6 ppb (62) 47.6 ppb (44) N/A 18.0 ppb (17) N/A N/A N/A 0.9 ppb (10) N/A N/A 62.0
 
Sept. 24, 2020, 9 a.m. 40.2 ppb (37) 26.6 ppb (25) N/A 14.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A N/A 37.0
 
Sept. 24, 2020, 8 a.m. 34.7 ppb (32) 21.4 ppb (20) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 32.0
 
Sept. 24, 2020, 7 a.m. 33.9 ppb (31) 19.9 ppb (18) N/A 14.0 ppb (13) N/A N/A N/A 0.8 ppb (9) N/A N/A 31.0
 
Sept. 24, 2020, 6 a.m. 23.6 ppb (22) 10.7 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A N/A 22.0
 
Sept. 24, 2020, 5 a.m. 28.9 ppb (27) 12.7 ppb (12) N/A 16.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A N/A 27.0
 
Sept. 24, 2020, 4 a.m. 42.3 ppb (39) 20.6 ppb (19) N/A 22.0 ppb (20) N/A N/A N/A 1.1 ppb (12) N/A N/A 39.0
 
Sept. 24, 2020, 3 a.m. 56.0 ppb (52) 25.9 ppb (24) N/A 30.0 ppb (28) N/A N/A N/A 1.2 ppb (13) N/A N/A 52.0
 
Sept. 24, 2020, 2 a.m. 57.8 ppb (54) 25.8 ppb (24) N/A 32.0 ppb (30) N/A N/A N/A 1.1 ppb (12) N/A N/A 54.0
 
Sept. 24, 2020, 1 a.m. 52.5 ppb (49) 21.5 ppb (20) N/A 31.0 ppb (29) N/A N/A N/A 1.6 ppb (18) N/A N/A 49.0
 
Sept. 24, 2020, midnight 46.3 ppb (43) 18.7 ppb (17) N/A 28.0 ppb (26) N/A N/A N/A 1.0 ppb (11) N/A N/A 43.0
 
Sept. 23, 2020, 11 p.m. 32.5 ppb (30) 11.3 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A N/A 30.0
 
Sept. 23, 2020, 10 p.m. 28.4 ppb (26) 11.4 ppb (11) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A N/A 26.0
 
Sept. 23, 2020, 9 p.m. 22.0 ppb (20) 9.6 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A N/A 20.0
 
Sept. 23, 2020, 8 p.m. 32.3 ppb (30) 15.7 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A N/A 30.0
 
Sept. 23, 2020, 7 p.m. 28.6 ppb (26) 15.0 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 26.0
 
Sept. 23, 2020, 6 p.m. 30.6 ppb (28) 15.4 ppb (14) N/A 15.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A N/A 28.0
 
Sept. 23, 2020, 5 p.m. 38.8 ppb (36) 21.1 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 36.0
 
Sept. 23, 2020, 4 p.m. 44.2 ppb (41) 24.9 ppb (23) N/A 19.0 ppb (18) N/A N/A N/A 0.7 ppb (8) N/A N/A 41.0
 
Sept. 23, 2020, 3 p.m. 42.7 ppb (40) 24.4 ppb (23) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 40.0
 
Sept. 23, 2020, 2 p.m. 46.3 ppb (43) 26.7 ppb (25) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 43.0
 
Sept. 23, 2020, 1 p.m. 55.6 ppb (52) 32.7 ppb (30) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A N/A 52.0
 
Sept. 23, 2020, noon 61.1 ppb (58) 37.9 ppb (35) N/A 23.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A N/A 58.0
 
Sept. 23, 2020, 11 a.m. 77.9 ppb (75) 45.8 ppb (42) N/A 32.0 ppb (30) N/A N/A N/A 0.7 ppb (8) N/A N/A 75.0
 
Sept. 23, 2020, 10 a.m. 80.5 ppb (78) 50.7 ppb (47) N/A 30.0 ppb (28) N/A N/A N/A 0.8 ppb (9) N/A N/A 78.0
 
Sept. 23, 2020, 9 a.m. 59.9 ppb (56) 33.9 ppb (31) N/A 26.0 ppb (24) N/A N/A N/A 0.7 ppb (8) N/A N/A 56.0
 
Sept. 23, 2020, 8 a.m. 49.4 ppb (46) 22.8 ppb (21) N/A 27.0 ppb (25) N/A N/A N/A 0.7 ppb (8) N/A N/A 46.0
 
Sept. 23, 2020, 7 a.m. 45.8 ppb (42) 18.7 ppb (17) N/A 27.0 ppb (25) N/A N/A N/A 0.5 ppb (6) N/A N/A 42.0
 
Sept. 23, 2020, 6 a.m. 24.3 ppb (23) 7.4 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A N/A 23.0
 
Sept. 23, 2020, 5 a.m. 36.7 ppb (34) 14.3 ppb (13) N/A 22.0 ppb (20) N/A N/A N/A 0.5 ppb (6) N/A N/A 34.0
 
Sept. 23, 2020, 4 a.m. 30.9 ppb (29) 7.2 ppb (7) N/A 24.0 ppb (22) N/A N/A N/A 0.5 ppb (6) N/A N/A 29.0
 
Sept. 23, 2020, 3 a.m. 36.8 ppb (34) 10.3 ppb (10) N/A 27.0 ppb (25) N/A N/A N/A 0.5 ppb (6) N/A N/A 34.0
 
Sept. 23, 2020, 2 a.m. 39.5 ppb (37) 13.3 ppb (12) N/A 26.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A N/A 37.0
 
Sept. 23, 2020, 1 a.m. 39.3 ppb (36) 13.6 ppb (13) N/A 26.0 ppb (24) N/A N/A N/A 1.2 ppb (13) N/A N/A 36.0
 
Sept. 23, 2020, midnight 44.8 ppb (41) 19.7 ppb (18) N/A 25.0 ppb (23) N/A N/A N/A 0.9 ppb (10) N/A N/A 41.0
 
Sept. 22, 2020, 11 p.m. 34.2 ppb (32) 12.1 ppb (11) N/A 22.0 ppb (20) N/A N/A N/A 0.8 ppb (9) N/A N/A 32.0
 
Sept. 22, 2020, 10 p.m. 22.9 ppb (21) 8.2 ppb (8) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) N/A N/A 21.0
 
Sept. 22, 2020, 9 p.m. 27.6 ppb (26) 12.4 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) N/A N/A 26.0
 
Sept. 22, 2020, 8 p.m. 22.2 ppb (21) 9.1 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 21.0
 
Sept. 22, 2020, 7 p.m. 42.8 ppb (40) 24.8 ppb (23) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 40.0
 
Sept. 22, 2020, 6 p.m. 46.4 ppb (43) 29.7 ppb (28) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A N/A 43.0
 
Sept. 22, 2020, 5 p.m. 39.2 ppb (36) 23.3 ppb (22) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 36.0
 
Sept. 22, 2020, 4 p.m. 51.2 ppb (47) 34.4 ppb (32) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A N/A 47.0
 
Sept. 22, 2020, 3 p.m. 60.3 ppb (57) 41.4 ppb (38) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A N/A 57.0
 
Sept. 22, 2020, 2 p.m. 68.0 ppb (65) 51.2 ppb (47) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A N/A 65.0
 
Sept. 22, 2020, noon 78.3 ppb (76) 56.3 ppb (52) N/A 22.0 ppb (20) N/A N/A N/A 0.7 ppb (8) N/A 6.1 μg/m3 (25) 76.0
 
Sept. 22, 2020, 11 a.m. 64.9 ppb (62) 43.9 ppb (41) N/A 21.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 5.6 μg/m3 (23) 62.0
 
Sept. 22, 2020, 10 a.m. 50.2 ppb (46) 31.2 ppb (29) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 5.1 μg/m3 (21) 46.0
 
Sept. 22, 2020, 9 a.m. 35.4 ppb (33) 20.8 ppb (19) N/A 15.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A 4.7 μg/m3 (20) 33.0
 
Sept. 22, 2020, 8 a.m. 24.0 ppb (22) 13.0 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A 4.6 μg/m3 (19) 22.0
 
Sept. 22, 2020, 7 a.m. 14.4 ppb (13) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 22, 2020, 6 a.m. 9.7 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 22, 2020, 5 a.m. 11.1 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 2.9 μg/m3 (12) 12.0
 
Sept. 22, 2020, 4 a.m. 17.2 ppb (16) 5.9 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 22, 2020, 3 a.m. 13.9 ppb (13) 3.4 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 22, 2020, 2 a.m. 17.6 ppb (16) 5.0 ppb (5) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 22, 2020, 1 a.m. 29.5 ppb (27) 12.7 ppb (12) N/A 17.0 ppb (16) N/A N/A N/A 1.0 ppb (11) N/A 6.1 μg/m3 (25) 27.0
 
Sept. 22, 2020, midnight 26.4 ppb (24) 11.2 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A 0.6 ppb (7) N/A 5.1 μg/m3 (21) 24.0
 
Sept. 21, 2020, 11 p.m. 34.5 ppb (32) 16.0 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 4.8 μg/m3 (20) 32.0
 
Sept. 21, 2020, 10 p.m. 39.5 ppb (37) 19.5 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A 4.6 μg/m3 (19) 37.0
 
Sept. 21, 2020, 9 p.m. 33.0 ppb (31) 16.7 ppb (15) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 4.3 μg/m3 (18) 31.0
 
Sept. 21, 2020, 8 p.m. 45.9 ppb (42) 25.9 ppb (24) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 4.2 μg/m3 (18) 42.0
 
Sept. 21, 2020, 7 p.m. 46.3 ppb (43) 26.9 ppb (25) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 3.9 μg/m3 (16) 43.0
 
Sept. 21, 2020, 6 p.m. 37.1 ppb (34) 20.7 ppb (19) N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A 3.6 μg/m3 (15) 34.0
 
Sept. 21, 2020, 5 p.m. 43.4 ppb (40) 24.8 ppb (23) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 3.7 μg/m3 (15) 40.0
 
Sept. 21, 2020, 4 p.m. 43.4 ppb (40) 26.8 ppb (25) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 3.4 μg/m3 (14) 40.0
 
Sept. 21, 2020, 3 p.m. 32.1 ppb (30) 19.4 ppb (18) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 30.0
 
Sept. 21, 2020, 2 p.m. 41.0 ppb (38) 24.8 ppb (23) N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A 19.1 μg/m3 (65) 65.0
 
Sept. 21, 2020, 1 p.m. 37.8 ppb (35) 23.9 ppb (22) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A 3.6 μg/m3 (15) 35.0
 
Sept. 21, 2020, noon 49.0 ppb (45) 30.1 ppb (28) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 3.9 μg/m3 (16) 45.0
 
Sept. 21, 2020, 11 a.m. 44.6 ppb (41) 26.0 ppb (24) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 3.9 μg/m3 (16) 41.0
 
Sept. 21, 2020, 10 a.m. 38.1 ppb (35) 22.1 ppb (20) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 3.8 μg/m3 (16) 35.0
 
Sept. 21, 2020, 9 a.m. 25.1 ppb (23) 12.4 ppb (11) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A 3.6 μg/m3 (15) 23.0
 
Sept. 21, 2020, 8 a.m. 15.9 ppb (15) 6.8 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 3.3 μg/m3 (14) 15.0
 
Sept. 21, 2020, 7 a.m. 8.8 ppb (8) 3.7 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 3.2 μg/m3 (13) 13.0
 
Sept. 21, 2020, 6 a.m. 8.1 ppb (8) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A 3.1 μg/m3 (13) 13.0
 
Sept. 21, 2020, 5 a.m. 12.2 ppb (11) 4.7 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 2.2 μg/m3 (9) 11.0
 
Sept. 21, 2020, 4 a.m. 14.8 ppb (14) 6.4 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 3.3 μg/m3 (14) 14.0
 
Sept. 21, 2020, 3 a.m. 15.4 ppb (14) 6.8 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 3.8 μg/m3 (16) 16.0
 
Sept. 21, 2020, 2 a.m. 16.8 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 21, 2020, 1 a.m. 18.6 ppb (17) 7.5 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 21, 2020, midnight 17.9 ppb (17) 5.9 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2020, 11 p.m. 34.3 ppb (32) 16.3 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.9 ppb (10) N/A 4.7 μg/m3 (20) 32.0
 
Sept. 20, 2020, 10 p.m. 33.1 ppb (31) 16.8 ppb (16) N/A 16.0 ppb (15) N/A N/A N/A 0.9 ppb (10) N/A 4.4 μg/m3 (18) 31.0
 
Sept. 20, 2020, 9 p.m. 30.0 ppb (28) 16.1 ppb (15) N/A 14.0 ppb (13) N/A N/A N/A 0.8 ppb (9) N/A 4.1 μg/m3 (17) 28.0
 
Sept. 20, 2020, 8 p.m. 26.7 ppb (25) 15.2 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 3.8 μg/m3 (16) 25.0
 
Sept. 20, 2020, 7 p.m. 25.8 ppb (24) 14.7 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 3.6 μg/m3 (15) 24.0
 
Sept. 20, 2020, 6 p.m. 21.1 ppb (20) 11.8 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 3.6 μg/m3 (15) 20.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A 3.6 μg/m3 (15) 15.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A 3.4 μg/m3 (14) 14.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A 3.2 μg/m3 (13) 13.0
 
Sept. 20, 2020, 2 p.m. 24.2 ppb (22) 14.1 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A 3.3 μg/m3 (14) 22.0
 
Sept. 20, 2020, 1 p.m. 20.1 ppb (19) 11.9 ppb (11) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 2.9 μg/m3 (12) 19.0
 
Sept. 20, 2020, noon 17.2 ppb (16) 9.3 ppb (9) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A 3.1 μg/m3 (13) 16.0
 
Sept. 20, 2020, 11 a.m. 15.2 ppb (14) 7.9 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
Sept. 20, 2020, 10 a.m. 13.9 ppb (13) 7.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.6 ppb (7) N/A 3.1 μg/m3 (13) 13.0
 
Sept. 20, 2020, 9 a.m. 10.9 ppb (10) 5.6 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
Sept. 20, 2020, 8 a.m. 10.2 ppb (9) 4.5 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 20, 2020, 7 a.m. 17.2 ppb (16) 8.9 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 16.0