ID: 2660

AQSQID: 131210056

Site Name: Nr-Georgia Tech

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

Updated: Sept. 19, 2021, 9:56 p.m.

Location: Atlanta (Georgia Tech), GA

Reporting: True, Located: True

Current AQI: 29.0

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. 19, 2021, 8 p.m. 30.4 ppb (29) 18.5 ppb (18) N/A 12.0 ppb (12) N/A N/A N/A 0.8 ppb (10) N/A N/A 29.0
 
Sept. 19, 2021, 7 p.m. 29.4 ppb (28) 17.6 ppb (17) N/A 12.0 ppb (12) N/A N/A N/A 0.8 ppb (10) N/A N/A 28.0
 
Sept. 19, 2021, 6 p.m. 29.2 ppb (28) 19.4 ppb (19) N/A 10.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A N/A 28.0
 
Sept. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (10) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (10) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (10) N/A 11.1 μg/m3 (47) 47.0
 
Sept. 19, 2021, 2 p.m. 31.5 ppb (30) 20.6 ppb (20) N/A 11.0 ppb (11) N/A N/A N/A 0.7 ppb (8) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 19, 2021, 1 p.m. 35.2 ppb (34) 25.1 ppb (24) N/A 10.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 8.2 μg/m3 (35) 35.0
 
Sept. 19, 2021, noon 27.4 ppb (26) 17.9 ppb (17) N/A 10.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 9.4 μg/m3 (40) 40.0
 
Sept. 19, 2021, 11 a.m. 29.6 ppb (28) 18.4 ppb (18) N/A 11.0 ppb (11) N/A N/A N/A 0.7 ppb (8) N/A 9.2 μg/m3 (39) 39.0
 
Sept. 19, 2021, 10 a.m. 21.3 ppb (21) 12.7 ppb (12) N/A 9.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 19, 2021, 9 a.m. 21.2 ppb (20) 11.7 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 19, 2021, 8 a.m. 18.6 ppb (18) 9.7 ppb (10) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 19, 2021, 7 a.m. 20.7 ppb (20) 11.1 ppb (11) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Sept. 19, 2021, 6 a.m. 21.6 ppb (21) 13.3 ppb (13) N/A 8.0 ppb (8) N/A N/A N/A 0.9 ppb (11) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 19, 2021, 5 a.m. 27.3 ppb (26) 14.7 ppb (14) N/A 13.0 ppb (13) N/A N/A N/A 0.9 ppb (11) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 19, 2021, 4 a.m. 42.4 ppb (40) 23.1 ppb (22) N/A 19.0 ppb (18) N/A N/A N/A 1.2 ppb (14) N/A 12.5 μg/m3 (52) 52.0
 
Sept. 19, 2021, 3 a.m. 23.1 ppb (22) 8.2 ppb (8) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A 10.9 μg/m3 (46) 46.0
 
Sept. 19, 2021, 2 a.m. 18.4 ppb (18) 6.9 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 19, 2021, 1 a.m. 29.8 ppb (29) 12.9 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 10.9 μg/m3 (46) 46.0
 
Sept. 19, 2021, midnight 22.5 ppb (22) 9.6 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A 10.6 μg/m3 (45) 45.0
 
Sept. 18, 2021, 11 p.m. 17.1 ppb (17) 6.4 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2021, 10 p.m. 12.9 ppb (13) 5.0 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.4 ppb (5) N/A 10.8 μg/m3 (46) 46.0
 
Sept. 18, 2021, 9 p.m. 20.7 ppb (20) 10.5 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 9.9 μg/m3 (42) 42.0
 
Sept. 18, 2021, 8 p.m. 18.0 ppb (17) 9.4 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2021, 7 p.m. 28.0 ppb (27) 15.5 ppb (15) N/A 12.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A 9.5 μg/m3 (40) 40.0
 
Sept. 18, 2021, 6 p.m. 22.6 ppb (22) 12.5 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2021, 5 p.m. 23.7 ppb (23) 13.1 ppb (13) N/A 11.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 10.8 μg/m3 (46) 46.0
 
Sept. 18, 2021, 4 p.m. 40.1 ppb (38) 23.0 ppb (22) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2021, 3 p.m. 26.0 ppb (25) 15.2 ppb (15) N/A 11.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 12.3 μg/m3 (52) 52.0
 
Sept. 18, 2021, 2 p.m. 38.7 ppb (37) 25.5 ppb (25) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, 1 p.m. 48.8 ppb (47) 35.4 ppb (34) N/A 13.0 ppb (13) N/A N/A N/A 1.0 ppb (12) N/A 11.8 μg/m3 (50) 50.0
 
Sept. 18, 2021, noon 55.3 ppb (53) 41.8 ppb (40) N/A 13.0 ppb (13) N/A N/A N/A 1.0 ppb (12) N/A 11.0 μg/m3 (46) 53.0
 
Sept. 18, 2021, 11 a.m. 50.6 ppb (48) 37.9 ppb (36) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A 10.3 μg/m3 (43) 48.0
 
Sept. 18, 2021, 10 a.m. 44.6 ppb (43) 31.9 ppb (31) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A 9.6 μg/m3 (40) 43.0
 
Sept. 18, 2021, 9 a.m. 35.3 ppb (34) 23.3 ppb (22) N/A 12.0 ppb (12) N/A N/A N/A 0.7 ppb (8) N/A 8.7 μg/m3 (37) 37.0
 
Sept. 18, 2021, 8 a.m. 28.9 ppb (28) 17.0 ppb (17) N/A 12.0 ppb (12) N/A N/A N/A 0.8 ppb (10) N/A 7.7 μg/m3 (33) 33.0
 
Sept. 18, 2021, 7 a.m. 49.2 ppb (47) 34.5 ppb (33) N/A 15.0 ppb (15) N/A N/A N/A 1.2 ppb (14) N/A 6.7 μg/m3 (28) 47.0
 
Sept. 18, 2021, 6 a.m. 32.5 ppb (31) 18.8 ppb (18) N/A 14.0 ppb (14) N/A N/A N/A 1.0 ppb (12) N/A 6.4 μg/m3 (27) 31.0
 
Sept. 18, 2021, 5 a.m. 34.5 ppb (33) 22.3 ppb (22) N/A 12.0 ppb (12) N/A N/A N/A 1.1 ppb (13) N/A 4.4 μg/m3 (19) 33.0
 
Sept. 18, 2021, 4 a.m. 47.0 ppb (45) 31.6 ppb (30) N/A 15.0 ppb (15) N/A N/A N/A 1.3 ppb (15) N/A 6.9 μg/m3 (29) 45.0
 
Sept. 18, 2021, 3 a.m. 51.6 ppb (49) 36.1 ppb (35) N/A 15.0 ppb (15) N/A N/A N/A 1.4 ppb (16) N/A 7.2 μg/m3 (31) 49.0
 
Sept. 18, 2021, 2 a.m. 60.5 ppb (58) 43.6 ppb (42) N/A 17.0 ppb (17) N/A N/A N/A 1.5 ppb (18) N/A 7.8 μg/m3 (33) 58.0
 
Sept. 18, 2021, 1 a.m. 55.3 ppb (53) 38.8 ppb (37) N/A 16.0 ppb (16) N/A N/A N/A 1.5 ppb (18) N/A 7.1 μg/m3 (30) 53.0
 
Sept. 18, 2021, midnight 37.0 ppb (35) 22.8 ppb (22) N/A 14.0 ppb (14) N/A N/A N/A 0.9 ppb (11) N/A 6.3 μg/m3 (27) 35.0
 
Sept. 17, 2021, 11 p.m. 36.8 ppb (35) 23.2 ppb (22) N/A 14.0 ppb (14) N/A N/A N/A 0.7 ppb (8) N/A 4.7 μg/m3 (20) 35.0
 
Sept. 17, 2021, 10 p.m. 37.8 ppb (36) 24.0 ppb (23) N/A 14.0 ppb (14) N/A N/A N/A 0.7 ppb (8) N/A 4.8 μg/m3 (20) 36.0
 
Sept. 17, 2021, 9 p.m. 38.0 ppb (36) 24.8 ppb (24) N/A 13.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 4.7 μg/m3 (20) 36.0
 
Sept. 17, 2021, 8 p.m. 31.3 ppb (30) 20.1 ppb (19) N/A 11.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 4.5 μg/m3 (19) 30.0
 
Sept. 17, 2021, 7 p.m. 43.2 ppb (41) 28.6 ppb (27) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A 5.1 μg/m3 (22) 41.0
 
Sept. 17, 2021, 6 p.m. 52.2 ppb (50) 36.6 ppb (35) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 5.3 μg/m3 (23) 50.0
 
Sept. 17, 2021, 5 p.m. 54.8 ppb (52) 37.5 ppb (36) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 5.7 μg/m3 (24) 52.0
 
Sept. 17, 2021, 4 p.m. 53.1 ppb (51) 36.8 ppb (35) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 5.4 μg/m3 (23) 51.0
 
Sept. 17, 2021, 3 p.m. 60.3 ppb (58) 43.3 ppb (41) N/A 17.0 ppb (17) N/A N/A N/A 0.7 ppb (8) N/A 6.8 μg/m3 (29) 58.0
 
Sept. 17, 2021, 2 p.m. 61.7 ppb (60) 43.7 ppb (42) N/A 18.0 ppb (17) N/A N/A N/A 0.9 ppb (11) N/A 7.4 μg/m3 (31) 60.0
 
Sept. 17, 2021, 1 p.m. 66.0 ppb (64) 49.2 ppb (47) N/A 17.0 ppb (17) N/A N/A N/A 1.0 ppb (12) N/A 7.7 μg/m3 (33) 64.0
 
Sept. 17, 2021, noon 68.3 ppb (67) 52.0 ppb (50) N/A 16.0 ppb (16) N/A N/A N/A 0.9 ppb (11) N/A 7.7 μg/m3 (33) 67.0
 
Sept. 17, 2021, 11 a.m. 74.1 ppb (73) 56.5 ppb (54) N/A 17.0 ppb (17) N/A N/A N/A 1.1 ppb (13) N/A N/A 73.0
 
Sept. 17, 2021, 10 a.m. 66.4 ppb (65) 49.7 ppb (47) N/A 17.0 ppb (17) N/A N/A N/A 1.2 ppb (14) N/A 5.2 μg/m3 (22) 65.0
 
Sept. 17, 2021, 9 a.m. 39.4 ppb (38) 26.5 ppb (25) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A 4.2 μg/m3 (18) 38.0
 
Sept. 17, 2021, 8 a.m. 29.2 ppb (28) 18.9 ppb (18) N/A 10.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 4.0 μg/m3 (17) 28.0
 
Sept. 17, 2021, 7 a.m. 26.7 ppb (26) 16.9 ppb (16) N/A 10.0 ppb (10) N/A N/A N/A 1.0 ppb (12) N/A 4.7 μg/m3 (20) 26.0
 
Sept. 17, 2021, 6 a.m. 22.5 ppb (22) 13.6 ppb (13) N/A 9.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A 4.3 μg/m3 (18) 22.0
 
Sept. 17, 2021, 5 a.m. 19.1 ppb (19) 12.2 ppb (12) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 2.8 μg/m3 (12) 19.0
 
Sept. 17, 2021, 4 a.m. 33.5 ppb (32) 22.9 ppb (22) N/A 11.0 ppb (11) N/A N/A N/A 0.8 ppb (10) N/A 5.4 μg/m3 (23) 32.0
 
Sept. 17, 2021, 3 a.m. 23.5 ppb (23) 13.0 ppb (13) N/A 11.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2021, 2 a.m. 35.8 ppb (34) 22.1 ppb (21) N/A 14.0 ppb (14) N/A N/A N/A 0.9 ppb (11) N/A 5.6 μg/m3 (24) 34.0
 
Sept. 17, 2021, 1 a.m. 29.9 ppb (29) 16.8 ppb (16) N/A 13.0 ppb (13) N/A N/A N/A 0.9 ppb (11) N/A 5.0 μg/m3 (21) 29.0
 
Sept. 17, 2021, midnight 25.9 ppb (25) 14.7 ppb (14) N/A 11.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 4.3 μg/m3 (18) 25.0
 
Sept. 16, 2021, 11 p.m. 20.2 ppb (20) 10.8 ppb (11) N/A 9.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 3.5 μg/m3 (15) 20.0
 
Sept. 16, 2021, 10 p.m. 24.3 ppb (23) 13.6 ppb (13) N/A 11.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 4.3 μg/m3 (18) 23.0
 
Sept. 16, 2021, 9 p.m. 21.2 ppb (20) 11.3 ppb (11) N/A 10.0 ppb (10) N/A N/A N/A 0.4 ppb (5) N/A 2.9 μg/m3 (13) 20.0
 
Sept. 16, 2021, 8 p.m. 19.6 ppb (19) 11.0 ppb (11) N/A 9.0 ppb (9) N/A N/A N/A 0.4 ppb (5) N/A 3.5 μg/m3 (15) 19.0
 
Sept. 16, 2021, 7 p.m. 43.1 ppb (41) 29.6 ppb (28) N/A 13.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A 4.2 μg/m3 (18) 41.0
 
Sept. 16, 2021, 6 p.m. 40.3 ppb (39) 26.0 ppb (25) N/A 14.0 ppb (14) N/A N/A N/A 0.6 ppb (7) N/A 4.5 μg/m3 (19) 39.0
 
Sept. 16, 2021, 5 p.m. 52.6 ppb (50) 37.7 ppb (36) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A 4.9 μg/m3 (21) 50.0
 
Sept. 16, 2021, 4 p.m. 33.9 ppb (32) 22.1 ppb (21) N/A 12.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 5.1 μg/m3 (22) 32.0
 
Sept. 16, 2021, 3 p.m. 64.3 ppb (62) 46.7 ppb (45) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 4.4 μg/m3 (19) 62.0
 
Sept. 16, 2021, 2 p.m. 48.2 ppb (46) 32.9 ppb (32) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A 4.1 μg/m3 (18) 46.0
 
Sept. 16, 2021, 1 p.m. 58.6 ppb (56) 41.2 ppb (39) N/A 17.0 ppb (17) N/A N/A N/A 0.7 ppb (8) N/A 4.2 μg/m3 (18) 56.0
 
Sept. 16, 2021, noon 44.0 ppb (42) 28.2 ppb (27) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 3.6 μg/m3 (16) 42.0
 
Sept. 16, 2021, 11 a.m. 42.0 ppb (40) 27.1 ppb (26) N/A 15.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A 4.3 μg/m3 (18) 40.0
 
Sept. 16, 2021, 10 a.m. 38.9 ppb (37) 24.2 ppb (23) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A 4.5 μg/m3 (19) 37.0
 
Sept. 16, 2021, 9 a.m. 41.7 ppb (40) 26.2 ppb (25) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A 4.2 μg/m3 (18) 40.0
 
Sept. 16, 2021, 8 a.m. 24.5 ppb (24) 12.8 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 4.3 μg/m3 (18) 24.0
 
Sept. 16, 2021, 7 a.m. 19.8 ppb (19) 9.0 ppb (9) N/A 11.0 ppb (11) N/A N/A N/A 0.4 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2021, 6 a.m. 14.3 ppb (14) 5.4 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.3 ppb (4) N/A 5.3 μg/m3 (23) 23.0
 
Sept. 16, 2021, 5 a.m. 18.0 ppb (17) 8.0 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.4 ppb (5) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 16, 2021, 4 a.m. 21.6 ppb (21) 9.2 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 16, 2021, 3 a.m. 20.8 ppb (20) 8.5 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 12.6 μg/m3 (53) 53.0
 
Sept. 16, 2021, 2 a.m. 30.1 ppb (29) 14.3 ppb (14) N/A 16.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 14.6 μg/m3 (57) 57.0
 
Sept. 16, 2021, 1 a.m. 25.9 ppb (25) 10.2 ppb (10) N/A 16.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Sept. 16, 2021, midnight 32.5 ppb (31) 14.9 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.7 ppb (8) N/A 15.5 μg/m3 (59) 59.0
 
Sept. 15, 2021, 11 p.m. 34.7 ppb (33) 15.1 ppb (15) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A 14.4 μg/m3 (56) 56.0
 
Sept. 15, 2021, 10 p.m. 17.1 ppb (17) 5.1 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 13.1 μg/m3 (54) 54.0
 
Sept. 15, 2021, 9 p.m. 28.7 ppb (28) 12.6 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 16.6 μg/m3 (61) 61.0
 
Sept. 15, 2021, 8 p.m. 43.8 ppb (42) 20.8 ppb (20) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 17.8 μg/m3 (63) 63.0
 
Sept. 15, 2021, 7 p.m. 45.0 ppb (43) 22.1 ppb (21) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 16.7 μg/m3 (61) 61.0
 
Sept. 15, 2021, 6 p.m. 58.7 ppb (57) 29.6 ppb (28) N/A 29.0 ppb (28) N/A N/A N/A 0.8 ppb (10) N/A 15.0 μg/m3 (58) 58.0
 
Sept. 15, 2021, 5 p.m. 68.2 ppb (67) 38.2 ppb (37) N/A 30.0 ppb (29) N/A N/A N/A 0.9 ppb (11) N/A 19.4 μg/m3 (67) 67.0
 
Sept. 15, 2021, 4 p.m. 62.4 ppb (60) 36.6 ppb (35) N/A 26.0 ppb (25) N/A N/A N/A 0.9 ppb (11) N/A 17.7 μg/m3 (63) 63.0
 
Sept. 15, 2021, 3 p.m. 91.2 ppb (91) 58.6 ppb (56) N/A 32.0 ppb (31) N/A N/A N/A 1.1 ppb (13) N/A 15.7 μg/m3 (59) 91.0
 
Sept. 15, 2021, 2 p.m. 94.2 ppb (94) 64.0 ppb (62) N/A 30.0 ppb (29) N/A N/A N/A 1.1 ppb (13) N/A 15.7 μg/m3 (59) 94.0
 
Sept. 15, 2021, 1 p.m. 132.1 ppb (107) 98.5 ppb (99) N/A 33.0 ppb (32) N/A N/A N/A 1.4 ppb (16) N/A 15.8 μg/m3 (59) 107.0
 
Sept. 15, 2021, noon 37.4 ppb (36) 15.6 ppb (15) N/A 22.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A 14.1 μg/m3 (56) 56.0
 
Sept. 15, 2021, 11 a.m. 33.2 ppb (32) 14.6 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 14.2 μg/m3 (56) 56.0
 
Sept. 15, 2021, 10 a.m. 64.6 ppb (63) 45.0 ppb (43) N/A 19.0 ppb (18) N/A N/A N/A 1.1 ppb (13) N/A 15.6 μg/m3 (59) 63.0
 
Sept. 15, 2021, 9 a.m. 39.0 ppb (37) 19.3 ppb (19) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A 14.4 μg/m3 (56) 56.0
 
Sept. 15, 2021, 8 a.m. 31.5 ppb (30) 12.5 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (5) N/A 14.1 μg/m3 (56) 56.0
 
Sept. 15, 2021, 7 a.m. 16.3 ppb (16) 3.6 ppb (4) N/A 13.0 ppb (13) N/A N/A N/A 0.4 ppb (5) N/A 14.1 μg/m3 (56) 56.0
 
Sept. 15, 2021, 6 a.m. 20.7 ppb (20) 9.2 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 14.6 μg/m3 (57) 57.0
 
Sept. 15, 2021, 5 a.m. 17.7 ppb (17) 8.2 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.4 ppb (5) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2021, 4 a.m. 28.0 ppb (27) 14.9 ppb (15) N/A 13.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 14.6 μg/m3 (57) 57.0
 
Sept. 15, 2021, 3 a.m. 30.6 ppb (29) 15.9 ppb (15) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A 15.4 μg/m3 (58) 58.0
 
Sept. 15, 2021, 2 a.m. 30.2 ppb (29) 12.0 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 17.3 μg/m3 (62) 62.0
 
Sept. 15, 2021, 1 a.m. 34.1 ppb (33) 10.4 ppb (10) N/A 24.0 ppb (23) N/A N/A N/A 1.0 ppb (12) N/A 17.8 μg/m3 (63) 63.0
 
Sept. 15, 2021, midnight 38.0 ppb (36) 12.0 ppb (12) N/A 26.0 ppb (25) N/A N/A N/A 0.9 ppb (11) N/A 17.3 μg/m3 (62) 62.0
 
Sept. 14, 2021, 11 p.m. 51.5 ppb (49) 16.9 ppb (16) N/A 34.0 ppb (33) N/A N/A N/A 0.9 ppb (11) N/A 15.9 μg/m3 (59) 59.0
 
Sept. 14, 2021, 10 p.m. 35.3 ppb (34) 9.8 ppb (10) N/A 25.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A 15.5 μg/m3 (59) 59.0
 
Sept. 14, 2021, 9 p.m. 35.1 ppb (34) 9.7 ppb (10) N/A 25.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A 15.8 μg/m3 (59) 59.0
 
Sept. 14, 2021, 8 p.m. 14.4 ppb (14) 3.3 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.4 ppb (5) N/A 16.2 μg/m3 (60) 60.0
 
Sept. 14, 2021, 7 p.m. 39.5 ppb (38) 12.3 ppb (12) N/A 27.0 ppb (26) N/A N/A N/A 0.7 ppb (8) N/A 17.3 μg/m3 (62) 62.0
 
Sept. 14, 2021, 6 p.m. 43.0 ppb (41) 17.1 ppb (17) N/A 26.0 ppb (25) N/A N/A N/A 0.7 ppb (8) N/A 16.9 μg/m3 (62) 62.0
 
Sept. 14, 2021, 5 p.m. 35.9 ppb (34) 13.3 ppb (13) N/A 23.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A 16.2 μg/m3 (60) 60.0
 
Sept. 14, 2021, 4 p.m. 38.4 ppb (37) 18.9 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 16.1 μg/m3 (60) 60.0
 
Sept. 14, 2021, 3 p.m. 52.6 ppb (50) 28.1 ppb (27) N/A 24.0 ppb (23) N/A N/A N/A 0.9 ppb (11) N/A 13.5 μg/m3 (54) 54.0
 
Sept. 14, 2021, 2 p.m. 56.5 ppb (54) 32.2 ppb (31) N/A 24.0 ppb (23) N/A N/A N/A 0.8 ppb (10) N/A 15.1 μg/m3 (58) 58.0
 
Sept. 14, 2021, 1 p.m. 86.6 ppb (86) 60.2 ppb (58) N/A 26.0 ppb (25) N/A N/A N/A 1.2 ppb (14) N/A 18.4 μg/m3 (65) 86.0
 
Sept. 14, 2021, noon 74.0 ppb (73) 54.2 ppb (52) N/A 20.0 ppb (19) N/A N/A N/A 1.0 ppb (12) N/A 13.5 μg/m3 (54) 73.0
 
Sept. 14, 2021, 11 a.m. 91.8 ppb (92) 73.3 ppb (72) N/A 18.0 ppb (17) N/A N/A N/A 1.1 ppb (13) N/A N/A 92.0
 
Sept. 14, 2021, 10 a.m. 94.5 ppb (95) 75.9 ppb (75) N/A 18.0 ppb (17) N/A N/A N/A 1.0 ppb (12) N/A 16.5 μg/m3 (61) 95.0
 
Sept. 14, 2021, 9 a.m. 79.4 ppb (79) 58.7 ppb (57) N/A 20.0 ppb (19) N/A N/A N/A 0.9 ppb (11) N/A 16.5 μg/m3 (61) 79.0
 
Sept. 14, 2021, 8 a.m. 80.0 ppb (79) 56.9 ppb (55) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 16.5 μg/m3 (61) 79.0
 
Sept. 14, 2021, 7 a.m. 60.9 ppb (59) 37.9 ppb (36) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 15.6 μg/m3 (59) 59.0
 
Sept. 14, 2021, 6 a.m. 44.4 ppb (42) 22.0 ppb (21) N/A 22.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A 14.9 μg/m3 (57) 57.0
 
Sept. 14, 2021, 5 a.m. 23.0 ppb (22) 6.0 ppb (6) N/A 17.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 9.2 μg/m3 (39) 39.0
 
Sept. 14, 2021, 4 a.m. 21.2 ppb (20) 6.1 ppb (6) N/A 15.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 14.3 μg/m3 (56) 56.0
 
Sept. 14, 2021, 3 a.m. 32.2 ppb (31) 8.8 ppb (9) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 16.4 μg/m3 (61) 61.0
 
Sept. 14, 2021, 2 a.m. 30.9 ppb (30) 7.9 ppb (8) N/A 23.0 ppb (22) N/A N/A N/A 0.8 ppb (10) N/A 15.4 μg/m3 (58) 58.0
 
Sept. 14, 2021, 1 a.m. 21.8 ppb (21) 3.9 ppb (4) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 14.7 μg/m3 (57) 57.0
 
Sept. 14, 2021, midnight 18.3 ppb (18) 3.4 ppb (4) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) N/A 13.6 μg/m3 (55) 55.0
 
Sept. 13, 2021, 11 p.m. 10.9 ppb (11) 3.8 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 12.6 μg/m3 (53) 53.0
 
Sept. 13, 2021, 10 p.m. 7.7 ppb (8) 2.6 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) N/A 12.9 μg/m3 (53) 53.0
 
Sept. 13, 2021, 9 p.m. 11.7 ppb (12) 3.6 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) N/A 13.4 μg/m3 (54) 54.0
 
Sept. 13, 2021, 8 p.m. 20.1 ppb (19) 8.3 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Sept. 13, 2021, 7 p.m. 33.1 ppb (32) 15.1 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 14.5 μg/m3 (57) 57.0
 
Sept. 13, 2021, 6 p.m. 33.2 ppb (32) 15.4 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 14.4 μg/m3 (56) 56.0
 
Sept. 13, 2021, 5 p.m. 37.2 ppb (36) 21.1 ppb (20) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 13, 2021, 4 p.m. 49.2 ppb (47) 27.2 ppb (26) N/A 22.0 ppb (21) N/A N/A N/A 1.1 ppb (13) N/A 12.2 μg/m3 (52) 52.0
 
Sept. 13, 2021, 3 p.m. 50.7 ppb (48) 25.9 ppb (25) N/A 25.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A 12.7 μg/m3 (53) 53.0
 
Sept. 13, 2021, 2 p.m. 73.4 ppb (72) 42.1 ppb (40) N/A 31.0 ppb (30) N/A N/A N/A 0.8 ppb (10) N/A 13.3 μg/m3 (54) 72.0
 
Sept. 13, 2021, 1 p.m. 68.5 ppb (67) 40.4 ppb (39) N/A 28.0 ppb (27) N/A N/A N/A 0.7 ppb (8) N/A 12.6 μg/m3 (53) 67.0
 
Sept. 13, 2021, noon 71.8 ppb (70) 48.9 ppb (47) N/A 23.0 ppb (22) N/A N/A N/A 1.0 ppb (12) N/A 13.0 μg/m3 (53) 70.0
 
Sept. 13, 2021, 11 a.m. 42.0 ppb (40) 20.1 ppb (19) N/A 22.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A 11.3 μg/m3 (48) 48.0
 
Sept. 13, 2021, 10 a.m. 44.0 ppb (42) 23.4 ppb (23) N/A 20.0 ppb (19) N/A N/A N/A 0.8 ppb (10) N/A 11.2 μg/m3 (47) 47.0
 
Sept. 13, 2021, 9 a.m. 33.3 ppb (32) 15.7 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.7 ppb (8) N/A 11.1 μg/m3 (47) 47.0
 
Sept. 13, 2021, 8 a.m. 26.1 ppb (25) 9.5 ppb (9) N/A 17.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 7 a.m. 40.2 ppb (38) 17.8 ppb (17) N/A 22.0 ppb (21) N/A N/A N/A 0.7 ppb (8) N/A 11.2 μg/m3 (47) 47.0
 
Sept. 13, 2021, 6 a.m. 41.1 ppb (39) 19.0 ppb (18) N/A 22.0 ppb (21) N/A N/A N/A 0.8 ppb (10) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 5 a.m. 38.2 ppb (37) 18.2 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 1.1 ppb (13) N/A 8.0 μg/m3 (34) 37.0
 
Sept. 13, 2021, 4 a.m. 20.3 ppb (20) 8.0 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A 9.4 μg/m3 (40) 40.0
 
Sept. 13, 2021, 3 a.m. 45.9 ppb (44) 22.7 ppb (22) N/A 23.0 ppb (22) N/A N/A N/A 1.2 ppb (14) N/A 10.2 μg/m3 (43) 44.0
 
Sept. 13, 2021, 2 a.m. 56.5 ppb (54) 30.6 ppb (29) N/A 26.0 ppb (25) N/A N/A N/A 1.4 ppb (16) N/A 11.5 μg/m3 (48) 54.0
 
Sept. 13, 2021, 1 a.m. 52.5 ppb (50) 24.9 ppb (24) N/A 28.0 ppb (27) N/A N/A N/A 1.3 ppb (15) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2021, midnight 58.7 ppb (57) 29.4 ppb (28) N/A 29.0 ppb (28) N/A N/A N/A 1.5 ppb (18) N/A 11.3 μg/m3 (48) 57.0
 
Sept. 12, 2021, 11 p.m. 44.5 ppb (42) 19.5 ppb (19) N/A 25.0 ppb (24) N/A N/A N/A 1.4 ppb (16) N/A 10.6 μg/m3 (45) 45.0
 
Sept. 12, 2021, 10 p.m. 33.3 ppb (32) 13.1 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A 0.9 ppb (11) N/A 10.5 μg/m3 (44) 44.0
 
Sept. 12, 2021, 9 p.m. 41.3 ppb (39) 18.6 ppb (18) N/A 23.0 ppb (22) N/A N/A N/A 0.8 ppb (10) N/A 10.5 μg/m3 (44) 44.0