ID: 2660

AQSQID: 131210056

Site Name: Nr-Georgia Tech

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

Updated: April 10, 2021, 5:43 p.m.

Location: Atlanta (Georgia Tech), GA

Reporting: True, Located: True

Current AQI: 34.0

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
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
April 10, 2021, 3 p.m. 45.9 ppb (44) 30.2 ppb (29) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 9.5 μg/m3 (40) 44.0
 
April 10, 2021, 2 p.m. 44.5 ppb (42) 28.8 ppb (28) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 9.9 μg/m3 (42) 42.0
 
April 10, 2021, 1 p.m. 49.1 ppb (47) 31.6 ppb (30) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 9.0 μg/m3 (38) 47.0
 
April 10, 2021, noon 42.6 ppb (41) 26.9 ppb (26) N/A 16.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 8.5 μg/m3 (36) 41.0
 
April 10, 2021, 11 a.m. 26.7 ppb (26) 16.8 ppb (16) N/A 10.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A 8.7 μg/m3 (37) 37.0
 
April 10, 2021, 10 a.m. 24.4 ppb (24) 15.6 ppb (15) N/A 9.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 8.3 μg/m3 (35) 35.0
 
April 10, 2021, 9 a.m. 21.0 ppb (20) 12.3 ppb (12) N/A 9.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 7.8 μg/m3 (33) 33.0
 
April 10, 2021, 8 a.m. 18.2 ppb (18) 9.9 ppb (10) N/A 8.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 7.4 μg/m3 (31) 31.0
 
April 10, 2021, 7 a.m. 27.1 ppb (26) 16.0 ppb (16) N/A 11.0 ppb (11) N/A N/A N/A 0.9 ppb (11) N/A 7.3 μg/m3 (31) 31.0
 
April 10, 2021, 6 a.m. 27.9 ppb (27) 16.3 ppb (16) N/A 12.0 ppb (12) N/A N/A N/A 0.8 ppb (10) N/A 6.3 μg/m3 (27) 27.0
 
April 10, 2021, 5 a.m. 32.0 ppb (31) 18.4 ppb (18) N/A 14.0 ppb (14) N/A N/A N/A 0.9 ppb (11) N/A 3.9 μg/m3 (17) 31.0
 
April 10, 2021, 4 a.m. 33.5 ppb (32) 18.3 ppb (18) N/A 15.0 ppb (15) N/A N/A N/A 1.0 ppb (12) N/A 5.4 μg/m3 (23) 32.0
 
April 10, 2021, 3 a.m. 36.2 ppb (35) 19.6 ppb (19) N/A 17.0 ppb (17) N/A N/A N/A 1.0 ppb (12) N/A 6.1 μg/m3 (26) 35.0
 
April 10, 2021, 2 a.m. 45.0 ppb (43) 23.2 ppb (22) N/A 22.0 ppb (21) N/A N/A N/A 1.0 ppb (12) N/A 4.8 μg/m3 (20) 43.0
 
April 10, 2021, 1 a.m. 37.9 ppb (36) 18.3 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.8 ppb (10) N/A 3.8 μg/m3 (16) 36.0
 
April 10, 2021, midnight 27.6 ppb (27) 12.9 ppb (13) N/A 15.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A 3.2 μg/m3 (14) 27.0
 
April 9, 2021, 11 p.m. 22.6 ppb (22) 10.5 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 4.0 μg/m3 (17) 22.0
 
April 9, 2021, 10 p.m. 33.1 ppb (32) 16.5 ppb (16) N/A 17.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 7.3 μg/m3 (31) 32.0
 
April 9, 2021, 9 p.m. 24.7 ppb (24) 11.5 ppb (11) N/A 13.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 24.0
 
April 9, 2021, 8 p.m. 28.5 ppb (27) 14.0 ppb (14) N/A 15.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 27.0
 
April 9, 2021, 7 p.m. 28.1 ppb (27) 14.9 ppb (15) N/A 13.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A 7.3 μg/m3 (31) 31.0
 
April 9, 2021, 6 p.m. 32.4 ppb (31) 16.2 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 8.8 μg/m3 (37) 37.0
 
April 9, 2021, 5 p.m. 40.5 ppb (39) 22.6 ppb (22) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 8.5 μg/m3 (36) 39.0
 
April 9, 2021, 4 p.m. 40.3 ppb (39) 20.3 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A 9.0 μg/m3 (38) 39.0
 
April 9, 2021, 3 p.m. 59.2 ppb (57) 36.0 ppb (34) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 9.0 μg/m3 (38) 57.0
 
April 9, 2021, 2 p.m. 55.0 ppb (53) 33.5 ppb (32) N/A 21.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A 9.1 μg/m3 (38) 53.0
 
April 9, 2021, 1 p.m. 45.3 ppb (43) 26.3 ppb (25) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 7.9 μg/m3 (33) 43.0
 
April 9, 2021, noon 51.6 ppb (49) 31.6 ppb (30) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A 7.8 μg/m3 (33) 49.0
 
April 9, 2021, 11 a.m. 45.9 ppb (44) 25.5 ppb (25) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 7.3 μg/m3 (31) 44.0
 
April 9, 2021, 10 a.m. 40.0 ppb (38) 22.4 ppb (22) N/A 18.0 ppb (17) N/A N/A N/A 0.7 ppb (8) N/A 6.5 μg/m3 (28) 38.0
 
April 9, 2021, 9 a.m. 32.9 ppb (32) 17.5 ppb (17) N/A 15.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 6.0 μg/m3 (25) 32.0
 
April 9, 2021, 8 a.m. 27.7 ppb (27) 14.2 ppb (14) N/A 14.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A 5.6 μg/m3 (24) 27.0
 
April 9, 2021, 7 a.m. 29.4 ppb (28) 13.4 ppb (13) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 5.5 μg/m3 (23) 28.0
 
April 9, 2021, 6 a.m. 23.7 ppb (23) 10.9 ppb (11) N/A 13.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 5.4 μg/m3 (23) 23.0
 
April 9, 2021, 5 a.m. 30.1 ppb (29) 14.6 ppb (14) N/A 16.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 3.4 μg/m3 (15) 29.0
 
April 9, 2021, 4 a.m. 25.3 ppb (24) 11.5 ppb (11) N/A 14.0 ppb (14) N/A N/A N/A 0.7 ppb (8) N/A 4.9 μg/m3 (21) 24.0
 
April 9, 2021, 3 a.m. 43.1 ppb (41) 19.8 ppb (19) N/A 23.0 ppb (22) N/A N/A N/A 0.8 ppb (10) N/A 5.2 μg/m3 (22) 41.0
 
April 9, 2021, 2 a.m. 52.5 ppb (50) 26.3 ppb (25) N/A 26.0 ppb (25) N/A N/A N/A 0.9 ppb (11) N/A 5.5 μg/m3 (23) 50.0
 
April 9, 2021, 1 a.m. 43.4 ppb (41) 20.2 ppb (20) N/A 23.0 ppb (22) N/A N/A N/A 1.0 ppb (12) N/A 4.6 μg/m3 (20) 41.0
 
April 9, 2021, midnight 39.8 ppb (38) 17.4 ppb (17) N/A 22.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A 4.3 μg/m3 (18) 38.0
 
April 8, 2021, 11 p.m. 37.1 ppb (35) 18.3 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.9 ppb (11) N/A 4.6 μg/m3 (20) 35.0
 
April 8, 2021, 10 p.m. 29.9 ppb (29) 14.8 ppb (14) N/A 15.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A 4.7 μg/m3 (20) 29.0
 
April 8, 2021, 9 p.m. 34.6 ppb (33) 18.3 ppb (18) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 4.9 μg/m3 (21) 33.0
 
April 8, 2021, 8 p.m. 30.3 ppb (29) 14.5 ppb (14) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 5.2 μg/m3 (22) 29.0
 
April 8, 2021, 7 p.m. 25.5 ppb (25) 13.2 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 5.2 μg/m3 (22) 25.0
 
April 8, 2021, 6 p.m. 28.0 ppb (27) 14.5 ppb (14) N/A 14.0 ppb (14) N/A N/A N/A 0.4 ppb (5) N/A 6.5 μg/m3 (28) 28.0
 
April 8, 2021, 5 p.m. 41.1 ppb (39) 23.4 ppb (23) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 8.4 μg/m3 (36) 39.0
 
April 8, 2021, 4 p.m. 49.1 ppb (47) 28.7 ppb (28) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 8.6 μg/m3 (36) 47.0
 
April 8, 2021, 3 p.m. 47.0 ppb (45) 26.5 ppb (25) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 9.0 μg/m3 (38) 45.0
 
April 8, 2021, 2 p.m. 50.2 ppb (48) 31.5 ppb (30) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 9.6 μg/m3 (40) 48.0
 
April 8, 2021, 1 p.m. 44.3 ppb (42) 26.1 ppb (25) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 9.1 μg/m3 (38) 42.0
 
April 8, 2021, noon 52.4 ppb (50) 31.4 ppb (30) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) N/A 11.0 μg/m3 (46) 50.0
 
April 8, 2021, 11 a.m. 48.4 ppb (46) 29.2 ppb (28) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 13.6 μg/m3 (55) 55.0
 
April 8, 2021, 10 a.m. 48.8 ppb (47) 26.6 ppb (26) N/A 22.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A 17.8 μg/m3 (63) 63.0
 
April 8, 2021, 9 a.m. 40.2 ppb (38) 19.4 ppb (19) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) N/A 17.6 μg/m3 (63) 63.0
 
April 8, 2021, 8 a.m. 40.4 ppb (39) 18.5 ppb (18) N/A 22.0 ppb (21) N/A N/A N/A 0.5 ppb (6) N/A 17.7 μg/m3 (63) 63.0
 
April 8, 2021, 7 a.m. 33.4 ppb (32) 13.2 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A 21.3 μg/m3 (71) 71.0
 
April 8, 2021, 6 a.m. 23.2 ppb (22) 6.9 ppb (7) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 23.2 μg/m3 (75) 75.0
 
April 8, 2021, 5 a.m. 27.2 ppb (26) 9.6 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 15.6 μg/m3 (59) 59.0
 
April 8, 2021, 4 a.m. 31.8 ppb (30) 12.0 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.8 ppb (10) N/A 24.2 μg/m3 (77) 77.0
 
April 8, 2021, 3 a.m. 40.4 ppb (39) 13.9 ppb (14) N/A 26.0 ppb (25) N/A N/A N/A 1.0 ppb (12) N/A 25.9 μg/m3 (81) 81.0
 
April 8, 2021, 2 a.m. 50.1 ppb (48) 17.6 ppb (17) N/A 33.0 ppb (32) N/A N/A N/A 1.0 ppb (12) N/A 29.0 μg/m3 (87) 87.0
 
April 8, 2021, 1 a.m. 41.8 ppb (40) 14.0 ppb (14) N/A 28.0 ppb (27) N/A N/A N/A 1.0 ppb (12) N/A 22.2 μg/m3 (73) 73.0
 
April 8, 2021, midnight 48.3 ppb (46) 19.1 ppb (19) N/A 29.0 ppb (28) N/A N/A N/A 1.0 ppb (12) N/A 15.8 μg/m3 (59) 59.0
 
April 7, 2021, 11 p.m. 36.8 ppb (35) 15.8 ppb (15) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
April 7, 2021, 10 p.m. 19.3 ppb (19) 8.8 ppb (9) N/A 11.0 ppb (11) N/A N/A N/A 0.4 ppb (5) N/A 13.6 μg/m3 (55) 55.0
 
April 7, 2021, 9 p.m. 28.1 ppb (27) 12.2 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 14.2 μg/m3 (56) 56.0
 
April 7, 2021, 8 p.m. 42.1 ppb (40) 18.7 ppb (18) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 14.8 μg/m3 (57) 57.0
 
April 7, 2021, 7 p.m. 30.7 ppb (29) 14.7 ppb (14) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 14.2 μg/m3 (56) 56.0
 
April 7, 2021, 6 p.m. 31.1 ppb (30) 15.5 ppb (15) N/A 16.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 14.4 μg/m3 (56) 56.0
 
April 7, 2021, 5 p.m. 38.9 ppb (37) 19.1 ppb (19) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A 14.3 μg/m3 (56) 56.0
 
April 7, 2021, 4 p.m. 31.3 ppb (30) 14.8 ppb (14) N/A 17.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A N/A 30.0
 
April 7, 2021, 3 p.m. 57.6 ppb (55) 28.7 ppb (28) N/A 29.0 ppb (28) N/A N/A N/A 0.7 ppb (8) N/A 16.8 μg/m3 (61) 61.0
 
April 7, 2021, 2 p.m. 69.5 ppb (68) 37.5 ppb (36) N/A 32.0 ppb (31) N/A N/A N/A 0.7 ppb (8) N/A 15.5 μg/m3 (59) 68.0
 
April 7, 2021, 1 p.m. 58.9 ppb (57) 29.8 ppb (29) N/A 29.0 ppb (28) N/A N/A N/A 0.6 ppb (7) N/A 16.7 μg/m3 (61) 61.0
 
April 7, 2021, noon 98.9 ppb (99) 60.4 ppb (58) N/A 38.0 ppb (36) N/A N/A N/A 1.0 ppb (12) N/A 18.4 μg/m3 (65) 99.0
 
April 7, 2021, 11 a.m. 70.8 ppb (69) 39.5 ppb (38) N/A 31.0 ppb (30) N/A N/A N/A 0.9 ppb (11) N/A 16.2 μg/m3 (60) 69.0
 
April 7, 2021, 10 a.m. 74.0 ppb (73) 39.1 ppb (37) N/A 35.0 ppb (34) N/A N/A N/A 1.2 ppb (14) N/A 15.6 μg/m3 (59) 73.0
 
April 7, 2021, 9 a.m. 70.3 ppb (69) 35.3 ppb (34) N/A 35.0 ppb (34) N/A N/A N/A 0.9 ppb (11) N/A 14.8 μg/m3 (57) 69.0
 
April 7, 2021, 8 a.m. 42.5 ppb (41) 14.7 ppb (14) N/A 28.0 ppb (27) N/A N/A N/A 0.6 ppb (7) N/A 14.5 μg/m3 (57) 57.0
 
April 7, 2021, 7 a.m. 38.3 ppb (37) 14.4 ppb (14) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A 15.4 μg/m3 (58) 58.0
 
April 7, 2021, 6 a.m. 35.0 ppb (34) 11.2 ppb (11) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A 15.9 μg/m3 (59) 59.0
 
April 7, 2021, 5 a.m. 43.3 ppb (41) 16.5 ppb (16) N/A 27.0 ppb (26) N/A N/A N/A 0.8 ppb (10) N/A 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 4 a.m. 34.7 ppb (33) 11.6 ppb (11) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 14.1 μg/m3 (56) 56.0
 
April 7, 2021, 3 a.m. 30.6 ppb (29) 8.0 ppb (8) N/A 23.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A 14.4 μg/m3 (56) 56.0
 
April 7, 2021, 2 a.m. 41.9 ppb (40) 12.8 ppb (13) N/A 29.0 ppb (28) N/A N/A N/A 0.8 ppb (10) N/A 14.4 μg/m3 (56) 56.0
 
April 7, 2021, 1 a.m. 40.1 ppb (38) 10.0 ppb (10) N/A 30.0 ppb (29) N/A N/A N/A 0.6 ppb (7) N/A 14.5 μg/m3 (57) 57.0
 
April 7, 2021, midnight 36.5 ppb (35) 12.0 ppb (12) N/A 24.0 ppb (23) N/A N/A N/A 0.7 ppb (8) N/A 13.1 μg/m3 (54) 54.0
 
April 6, 2021, 11 p.m. 33.4 ppb (32) 11.8 ppb (12) N/A 22.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A 11.9 μg/m3 (50) 50.0
 
April 6, 2021, 10 p.m. 21.1 ppb (20) 7.7 ppb (8) N/A 13.0 ppb (13) N/A N/A N/A 0.4 ppb (5) N/A 12.2 μg/m3 (52) 52.0
 
April 6, 2021, 9 p.m. 28.0 ppb (27) 9.9 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 12.7 μg/m3 (53) 53.0
 
April 6, 2021, 8 p.m. 33.3 ppb (32) 14.9 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 12.6 μg/m3 (53) 53.0
 
April 6, 2021, 7 p.m. 42.8 ppb (41) 18.9 ppb (18) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A 13.2 μg/m3 (54) 54.0
 
April 6, 2021, 6 p.m. 33.7 ppb (32) 14.8 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 12.1 μg/m3 (51) 51.0
 
April 6, 2021, 5 p.m. 27.8 ppb (27) 13.2 ppb (13) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) N/A 11.7 μg/m3 (49) 49.0
 
April 6, 2021, 4 p.m. 46.2 ppb (44) 23.3 ppb (22) N/A 23.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A 12.4 μg/m3 (52) 52.0
 
April 6, 2021, 3 p.m. 60.7 ppb (59) 32.2 ppb (31) N/A 28.0 ppb (27) N/A N/A N/A 0.6 ppb (7) N/A 13.4 μg/m3 (54) 59.0
 
April 6, 2021, 2 p.m. 78.3 ppb (77) 42.2 ppb (40) N/A 36.0 ppb (34) N/A N/A N/A 0.7 ppb (8) N/A N/A 77.0
 
April 6, 2021, 1 p.m. 74.8 ppb (74) 39.3 ppb (38) N/A 35.0 ppb (34) N/A N/A N/A 0.7 ppb (8) N/A N/A 74.0
 
April 6, 2021, noon 75.0 ppb (74) 42.1 ppb (40) N/A 33.0 ppb (32) N/A N/A N/A 0.7 ppb (8) N/A N/A 74.0
 
April 6, 2021, 11 a.m. 62.8 ppb (61) 29.0 ppb (28) N/A 34.0 ppb (33) N/A N/A N/A 0.8 ppb (10) N/A N/A 61.0
 
April 6, 2021, 10 a.m. 46.3 ppb (44) 21.3 ppb (21) N/A 25.0 ppb (24) N/A N/A N/A 0.7 ppb (8) N/A N/A 44.0
 
April 6, 2021, 9 a.m. 72.3 ppb (71) 35.8 ppb (34) N/A 36.0 ppb (34) N/A N/A N/A 1.0 ppb (12) N/A N/A 71.0
 
April 6, 2021, 8 a.m. 42.4 ppb (40) 14.1 ppb (14) N/A 28.0 ppb (27) N/A N/A N/A 0.5 ppb (6) N/A N/A 40.0
 
April 6, 2021, 7 a.m. 31.3 ppb (30) 9.0 ppb (9) N/A 22.0 ppb (21) N/A N/A N/A 0.4 ppb (5) N/A N/A 30.0
 
April 6, 2021, 6 a.m. 28.4 ppb (27) 8.0 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (5) N/A N/A 27.0
 
April 6, 2021, 5 a.m. 43.1 ppb (41) 11.0 ppb (11) N/A 32.0 ppb (31) N/A N/A N/A 0.9 ppb (11) N/A N/A 41.0
 
April 6, 2021, 4 a.m. 42.4 ppb (40) 11.5 ppb (11) N/A 31.0 ppb (30) N/A N/A N/A 0.9 ppb (11) N/A N/A 40.0
 
April 6, 2021, 3 a.m. 42.7 ppb (41) 11.2 ppb (11) N/A 31.0 ppb (30) N/A N/A N/A 0.8 ppb (10) N/A N/A 41.0
 
April 6, 2021, 2 a.m. 47.9 ppb (46) 15.0 ppb (15) N/A 33.0 ppb (32) N/A N/A N/A 1.1 ppb (13) N/A N/A 46.0
 
April 6, 2021, 1 a.m. 42.3 ppb (40) 12.2 ppb (12) N/A 30.0 ppb (29) N/A N/A N/A 0.9 ppb (11) N/A N/A 40.0
 
April 6, 2021, midnight 43.3 ppb (41) 15.5 ppb (15) N/A 28.0 ppb (27) N/A N/A N/A 0.8 ppb (10) N/A N/A 41.0
 
April 5, 2021, 11 p.m. 42.6 ppb (41) 15.5 ppb (15) N/A 27.0 ppb (26) N/A N/A N/A 0.8 ppb (10) N/A N/A 41.0
 
April 5, 2021, 10 p.m. 40.1 ppb (38) 15.9 ppb (15) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 38.0
 
April 5, 2021, 9 p.m. 40.4 ppb (39) 15.8 ppb (15) N/A 25.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A N/A 39.0
 
April 5, 2021, 8 p.m. 38.4 ppb (37) 15.9 ppb (15) N/A 22.0 ppb (21) N/A N/A N/A 0.5 ppb (6) N/A N/A 37.0
 
April 5, 2021, 7 p.m. 27.0 ppb (26) 10.2 ppb (10) N/A 17.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A N/A 26.0
 
April 5, 2021, 6 p.m. 44.4 ppb (42) 20.5 ppb (20) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 42.0
 
April 5, 2021, 5 p.m. 50.8 ppb (48) 25.5 ppb (25) N/A 25.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A 5.5 μg/m3 (23) 48.0
 
April 5, 2021, 4 p.m. 47.3 ppb (45) 23.6 ppb (23) N/A 24.0 ppb (23) N/A N/A N/A 0.5 ppb (6) N/A 5.2 μg/m3 (22) 45.0
 
April 5, 2021, 3 p.m. 79.1 ppb (78) 43.9 ppb (42) N/A 35.0 ppb (34) N/A N/A N/A 0.7 ppb (8) N/A 6.6 μg/m3 (28) 78.0
 
April 5, 2021, 2 p.m. 84.3 ppb (84) 46.2 ppb (44) N/A 38.0 ppb (36) N/A N/A N/A 0.7 ppb (8) N/A 8.2 μg/m3 (35) 84.0
 
April 5, 2021, 1 p.m. 81.4 ppb (81) 45.6 ppb (44) N/A 36.0 ppb (34) N/A N/A N/A 0.7 ppb (8) N/A 9.4 μg/m3 (40) 81.0
 
April 5, 2021, noon 72.4 ppb (71) 40.5 ppb (39) N/A 32.0 ppb (31) N/A N/A N/A 0.8 ppb (10) N/A 10.6 μg/m3 (45) 71.0
 
April 5, 2021, 11 a.m. 64.3 ppb (62) 34.2 ppb (33) N/A 30.0 ppb (29) N/A N/A N/A 0.7 ppb (8) N/A 10.6 μg/m3 (45) 62.0
 
April 5, 2021, 10 a.m. 62.9 ppb (61) 33.5 ppb (32) N/A 29.0 ppb (28) N/A N/A N/A 0.7 ppb (8) N/A 9.1 μg/m3 (38) 61.0
 
April 5, 2021, 9 a.m. 63.6 ppb (62) 30.9 ppb (30) N/A 33.0 ppb (32) N/A N/A N/A 0.8 ppb (10) N/A 8.9 μg/m3 (38) 62.0
 
April 5, 2021, 8 a.m. 38.0 ppb (36) 15.2 ppb (15) N/A 23.0 ppb (22) N/A N/A N/A 0.5 ppb (6) N/A 8.7 μg/m3 (37) 37.0
 
April 5, 2021, 7 a.m. 34.0 ppb (33) 8.9 ppb (9) N/A 25.0 ppb (24) N/A N/A N/A 0.4 ppb (5) N/A 7.9 μg/m3 (33) 33.0
 
April 5, 2021, 6 a.m. 32.0 ppb (31) 6.0 ppb (6) N/A 26.0 ppb (25) N/A N/A N/A 0.4 ppb (5) N/A 7.6 μg/m3 (32) 32.0
 
April 5, 2021, 5 a.m. 29.3 ppb (28) 3.4 ppb (4) N/A 26.0 ppb (25) N/A N/A N/A 0.4 ppb (5) N/A 5.0 μg/m3 (21) 28.0
 
April 5, 2021, 4 a.m. 27.1 ppb (26) 6.0 ppb (6) N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A 7.2 μg/m3 (31) 31.0
 
April 5, 2021, 3 a.m. 48.9 ppb (47) 14.4 ppb (14) N/A 35.0 ppb (34) N/A N/A N/A 0.6 ppb (7) N/A 7.7 μg/m3 (33) 47.0
 
April 5, 2021, 2 a.m. 31.1 ppb (30) 5.2 ppb (5) N/A 26.0 ppb (25) N/A N/A N/A 0.5 ppb (6) N/A 6.8 μg/m3 (29) 30.0
 
April 5, 2021, 1 a.m. 27.1 ppb (26) 5.7 ppb (6) N/A 21.0 ppb (20) N/A N/A N/A 0.5 ppb (6) N/A 5.8 μg/m3 (25) 26.0
 
April 5, 2021, midnight 26.7 ppb (26) 8.8 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 4.8 μg/m3 (20) 26.0
 
April 4, 2021, 11 p.m. 36.0 ppb (34) 14.7 ppb (14) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) N/A 4.5 μg/m3 (19) 34.0
 
April 4, 2021, 10 p.m. 29.4 ppb (28) 12.0 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 4.5 μg/m3 (19) 28.0
 
April 4, 2021, 9 p.m. 27.7 ppb (27) 12.0 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 4.3 μg/m3 (18) 27.0
 
April 4, 2021, 8 p.m. 16.0 ppb (16) 6.6 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.4 ppb (5) N/A 4.1 μg/m3 (18) 18.0
 
April 4, 2021, 7 p.m. 25.7 ppb (25) 12.8 ppb (13) N/A 13.0 ppb (13) N/A N/A N/A 0.4 ppb (5) N/A 4.4 μg/m3 (19) 25.0
 
April 4, 2021, 6 p.m. 26.6 ppb (26) 13.2 ppb (13) N/A 13.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A 4.3 μg/m3 (18) 26.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) N/A 4.5 μg/m3 (19) 19.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) N/A 4.6 μg/m3 (20) 20.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A 6.6 μg/m3 (28) 28.0
 
April 4, 2021, 2 p.m. 37.2 ppb (36) 17.6 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 7.9 μg/m3 (33) 36.0
 
April 4, 2021, 1 p.m. 69.2 ppb (68) 36.9 ppb (35) N/A 32.0 ppb (31) N/A N/A N/A 0.8 ppb (10) N/A 13.6 μg/m3 (55) 68.0
 
April 4, 2021, noon 88.8 ppb (89) 53.8 ppb (51) N/A 35.0 ppb (34) N/A N/A N/A 1.0 ppb (12) N/A 16.8 μg/m3 (61) 89.0
 
April 4, 2021, 11 a.m. 92.7 ppb (93) 57.4 ppb (55) N/A 35.0 ppb (34) N/A N/A N/A 1.0 ppb (12) N/A 16.5 μg/m3 (61) 93.0
 
April 4, 2021, 10 a.m. 86.5 ppb (86) 53.0 ppb (50) N/A 33.0 ppb (32) N/A N/A N/A 1.3 ppb (15) N/A 20.0 μg/m3 (68) 86.0
 
April 4, 2021, 9 a.m. 69.0 ppb (67) 35.1 ppb (34) N/A 34.0 ppb (33) N/A N/A N/A N/A N/A 18.6 μg/m3 (65) 67.0
 
April 4, 2021, 8 a.m. 67.8 ppb (66) 34.7 ppb (33) N/A 33.0 ppb (32) N/A N/A N/A N/A N/A 20.1 μg/m3 (68) 68.0
 
April 4, 2021, 7 a.m. 73.7 ppb (72) 40.5 ppb (39) N/A 33.0 ppb (32) N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 72.0
 
April 4, 2021, 6 a.m. 106.5 ppb (103) 67.7 ppb (66) N/A 39.0 ppb (37) N/A N/A N/A 1.9 ppb (22) N/A 18.1 μg/m3 (64) 103.0
 
April 4, 2021, 5 a.m. 110.6 ppb (103) 64.7 ppb (63) N/A 46.0 ppb (44) N/A N/A N/A 1.3 ppb (15) N/A 10.5 μg/m3 (44) 103.0
 
April 4, 2021, 4 a.m. 95.8 ppb (96) 50.5 ppb (48) N/A 45.0 ppb (43) N/A N/A N/A 1.5 ppb (18) N/A 16.9 μg/m3 (62) 96.0
 
April 4, 2021, 3 a.m. 69.2 ppb (68) 27.5 ppb (26) N/A 42.0 ppb (40) N/A N/A N/A 1.4 ppb (16) N/A 13.3 μg/m3 (54) 68.0
 
April 4, 2021, 2 a.m. 68.3 ppb (67) 27.5 ppb (26) N/A 41.0 ppb (39) N/A N/A N/A 1.4 ppb (16) N/A 11.0 μg/m3 (46) 67.0
 
April 4, 2021, 1 a.m. 49.7 ppb (47) 16.8 ppb (16) N/A 33.0 ppb (32) N/A N/A N/A 1.0 ppb (12) N/A 9.0 μg/m3 (38) 47.0
 
April 4, 2021, midnight 19.4 ppb (19) 4.1 ppb (4) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
April 3, 2021, 11 p.m. 14.3 ppb (14) 4.3 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 3.6 μg/m3 (16) 16.0
 
April 3, 2021, 10 p.m. 16.3 ppb (16) 6.2 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A 0.4 ppb (5) N/A 3.9 μg/m3 (17) 17.0
 
April 3, 2021, 9 p.m. 27.8 ppb (27) 13.4 ppb (13) N/A 14.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A 4.2 μg/m3 (18) 27.0
 
April 3, 2021, 8 p.m. 20.2 ppb (20) 8.2 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 4.9 μg/m3 (21) 21.0
 
April 3, 2021, 7 p.m. 19.0 ppb (18) 8.2 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A 0.4 ppb (5) N/A 4.5 μg/m3 (19) 19.0
 
April 3, 2021, 6 p.m. 28.4 ppb (27) 13.7 ppb (13) N/A 15.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 5.0 μg/m3 (21) 27.0
 
April 3, 2021, 5 p.m. 25.5 ppb (25) 11.6 ppb (11) N/A 14.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A 5.8 μg/m3 (25) 25.0