ID: 2661

AQSQID: 130890003

Site Name: Nr-285

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

Updated: April 20, 2021, 10:44 a.m.

Location: Decatur (Perimeter), GA

Reporting: True, Located: True

Current AQI: 67.0

Decatur (Perimeter) GA, US: 33.698611, -84.272608

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 20, 2021, 9 a.m. 68.7 ppb (67) 50.0 ppb (48) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 67.0
 
April 20, 2021, 8 a.m. 73.1 ppb (72) 51.4 ppb (49) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A N/A 72.0
 
April 20, 2021, 7 a.m. 53.9 ppb (51) 31.4 ppb (30) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A N/A 51.0
 
April 20, 2021, 6 a.m. 48.9 ppb (47) 24.4 ppb (24) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A N/A 47.0
 
April 20, 2021, 5 a.m. 43.3 ppb (41) 17.6 ppb (17) N/A 26.0 ppb (25) N/A N/A N/A N/A N/A N/A 41.0
 
April 20, 2021, 4 a.m. 30.4 ppb (29) 4.0 ppb (4) N/A 26.0 ppb (25) N/A N/A N/A N/A N/A N/A 29.0
 
April 20, 2021, 3 a.m. 30.1 ppb (29) 2.5 ppb (3) N/A 28.0 ppb (27) N/A N/A N/A N/A N/A N/A 29.0
 
April 20, 2021, 2 a.m. 41.4 ppb (40) 7.3 ppb (7) N/A 34.0 ppb (33) N/A N/A N/A N/A N/A N/A 40.0
 
April 20, 2021, 1 a.m. 54.0 ppb (51) 16.7 ppb (16) N/A 37.0 ppb (35) N/A N/A N/A N/A N/A N/A 51.0
 
April 20, 2021, midnight 61.8 ppb (60) 20.5 ppb (20) N/A 41.0 ppb (39) N/A N/A N/A N/A N/A N/A 60.0
 
April 19, 2021, 11 p.m. 46.2 ppb (44) 15.5 ppb (15) N/A 31.0 ppb (30) N/A N/A N/A N/A N/A N/A 44.0
 
April 19, 2021, 10 p.m. 41.8 ppb (40) 16.2 ppb (16) N/A 26.0 ppb (25) N/A N/A N/A N/A N/A N/A 40.0
 
April 19, 2021, 9 p.m. 28.0 ppb (27) 10.1 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 27.0
 
April 19, 2021, 8 p.m. 29.0 ppb (28) 12.3 ppb (12) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A N/A 28.0
 
April 19, 2021, 7 p.m. 16.0 ppb (16) 6.1 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 16.0
 
April 19, 2021, 6 p.m. 23.3 ppb (22) 10.3 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 22.0
 
April 19, 2021, 5 p.m. 30.1 ppb (29) 13.6 ppb (13) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 29.0
 
April 19, 2021, 4 p.m. 34.6 ppb (33) 16.8 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 33.0
 
April 19, 2021, 3 p.m. 27.8 ppb (27) 13.5 ppb (13) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A N/A 27.0
 
April 19, 2021, 2 p.m. 37.1 ppb (35) 19.2 ppb (19) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 35.0
 
April 19, 2021, 1 p.m. 44.3 ppb (42) 23.9 ppb (23) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 42.0
 
April 19, 2021, noon 42.1 ppb (40) 21.2 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A N/A 40.0
 
April 19, 2021, 11 a.m. 33.1 ppb (32) 9.3 ppb (9) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A N/A 32.0
 
April 19, 2021, 10 a.m. 39.1 ppb (37) 14.0 ppb (14) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A N/A 37.0
 
April 19, 2021, 9 a.m. 21.6 ppb (21) 6.2 ppb (6) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A N/A 21.0
 
April 19, 2021, 8 a.m. 13.2 ppb (13) 2.8 ppb (3) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 13.0
 
April 19, 2021, 7 a.m. 14.4 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A N/A 14.0
 
April 19, 2021, 6 a.m. 11.4 ppb (11) 1.3 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 11.0
 
April 19, 2021, 5 a.m. 14.4 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A N/A 14.0
 
April 19, 2021, 4 a.m. 20.9 ppb (20) 4.8 ppb (5) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 20.0
 
April 19, 2021, 3 a.m. 31.2 ppb (30) 6.9 ppb (7) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A N/A 30.0
 
April 19, 2021, 2 a.m. 37.6 ppb (36) 8.2 ppb (8) N/A 29.0 ppb (28) N/A N/A N/A N/A N/A N/A 36.0
 
April 19, 2021, 1 a.m. 48.7 ppb (46) 13.7 ppb (13) N/A 35.0 ppb (34) N/A N/A N/A N/A N/A N/A 46.0
 
April 19, 2021, midnight 37.4 ppb (36) 8.8 ppb (9) N/A 29.0 ppb (28) N/A N/A N/A N/A N/A N/A 36.0
 
April 18, 2021, 11 p.m. 18.1 ppb (18) 3.5 ppb (4) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A N/A 18.0
 
April 18, 2021, 8 p.m. 13.3 ppb (13) 4.4 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A N/A 13.0
 
April 18, 2021, 7 p.m. 11.8 ppb (12) 4.2 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 12.0
 
April 18, 2021, 6 p.m. 6.4 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 7.0
 
April 18, 2021, 5 p.m. 7.3 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 7.0
 
April 18, 2021, 4 p.m. 7.2 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 7.0
 
April 18, 2021, 3 p.m. 9.3 ppb (9) 3.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 9.0
 
April 18, 2021, 2 p.m. 12.1 ppb (12) 4.5 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 12.0
 
April 18, 2021, 1 p.m. 15.9 ppb (15) 5.8 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 15.0
 
April 18, 2021, noon 18.8 ppb (18) 6.4 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A N/A 18.0
 
April 18, 2021, 11 a.m. 24.8 ppb (24) 8.3 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 24.0
 
April 18, 2021, 10 a.m. 16.4 ppb (16) 3.3 ppb (4) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 16.0
 
April 18, 2021, 9 a.m. 19.8 ppb (19) 4.1 ppb (4) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 19.0
 
April 18, 2021, 8 a.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 7.0
 
April 18, 2021, 7 a.m. 15.8 ppb (15) 3.5 ppb (4) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A N/A 15.0
 
April 18, 2021, 6 a.m. 14.5 ppb (14) 2.1 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A N/A 14.0
 
April 18, 2021, 5 a.m. 14.4 ppb (14) 2.9 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A N/A 14.0
 
April 18, 2021, 4 a.m. 17.4 ppb (17) 4.3 ppb (5) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 17.0
 
April 18, 2021, 3 a.m. 26.2 ppb (25) 6.5 ppb (7) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 25.0
 
April 18, 2021, 2 a.m. 35.5 ppb (34) 7.5 ppb (8) N/A 28.0 ppb (27) N/A N/A N/A N/A N/A N/A 34.0
 
April 18, 2021, 1 a.m. 40.0 ppb (38) 10.1 ppb (10) N/A 30.0 ppb (29) N/A N/A N/A N/A N/A N/A 38.0
 
April 18, 2021, midnight 36.5 ppb (35) 9.9 ppb (10) N/A 27.0 ppb (26) N/A N/A N/A N/A N/A N/A 35.0
 
April 17, 2021, 11 p.m. 20.2 ppb (20) 3.6 ppb (4) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A N/A 20.0
 
April 17, 2021, 10 p.m. 4.5 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 5.0
 
April 17, 2021, 9 p.m. 8.8 ppb (9) 2.2 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 9.0
 
April 17, 2021, 8 p.m. 3.7 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 4.0
 
April 17, 2021, 7 p.m. 14.9 ppb (15) 4.6 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 15.0
 
April 17, 2021, 6 p.m. 7.4 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 7.0
 
April 17, 2021, 5 p.m. 15.4 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A N/A 15.0
 
April 17, 2021, 4 p.m. 8.8 ppb (9) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 9.0
 
April 17, 2021, 3 p.m. 9.0 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 9.0
 
April 17, 2021, 2 p.m. 26.6 ppb (26) 10.6 ppb (10) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 26.0
 
April 17, 2021, 1 p.m. 23.6 ppb (23) 8.9 ppb (9) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A N/A 23.0
 
April 17, 2021, noon 30.4 ppb (29) 12.9 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A N/A 29.0
 
April 17, 2021, 11 a.m. 33.9 ppb (32) 16.0 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 32.0
 
April 17, 2021, 10 a.m. 33.9 ppb (32) 12.4 ppb (12) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A N/A 32.0
 
April 17, 2021, 9 a.m. 33.0 ppb (32) 11.6 ppb (11) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A N/A 32.0
 
April 17, 2021, 8 a.m. 16.9 ppb (16) 1.6 ppb (2) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A N/A 16.0
 
April 17, 2021, 7 a.m. 10.9 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A N/A 11.0
 
April 17, 2021, 6 a.m. 19.4 ppb (19) 0.5 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 19.0
 
April 17, 2021, 5 a.m. 25.7 ppb (25) 0.6 ppb (1) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A N/A 25.0
 
April 17, 2021, 4 a.m. 38.8 ppb (37) 8.9 ppb (9) N/A 30.0 ppb (29) N/A N/A N/A N/A N/A N/A 37.0
 
April 17, 2021, 3 a.m. 28.8 ppb (28) 5.3 ppb (5) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A N/A 28.0
 
April 17, 2021, 2 a.m. 16.2 ppb (16) 2.5 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A N/A 16.0
 
April 17, 2021, 1 a.m. 8.4 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 8.0
 
April 17, 2021, midnight 7.0 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 7.0
 
April 16, 2021, 11 p.m. 4.6 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
April 16, 2021, 10 p.m. 4.6 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
April 16, 2021, 9 p.m. 6.0 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 6.0
 
April 16, 2021, 8 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 5.0
 
April 16, 2021, 7 p.m. 11.4 ppb (11) 5.0 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 11.0
 
April 16, 2021, 6 p.m. 10.5 ppb (10) 4.9 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 10.0
 
April 16, 2021, 5 p.m. 5.8 ppb (6) 2.4 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 6.0
 
April 16, 2021, 4 p.m. 11.2 ppb (11) 4.7 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 11.0
 
April 16, 2021, 3 p.m. 29.9 ppb (29) 18.6 ppb (18) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A N/A 29.0
 
April 16, 2021, 2 p.m. 33.9 ppb (32) 19.6 ppb (19) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A N/A 32.0
 
April 16, 2021, 1 p.m. 94.6 ppb (95) 64.0 ppb (62) N/A 31.0 ppb (30) N/A N/A N/A N/A N/A N/A 95.0
 
April 16, 2021, noon 90.0 ppb (90) 62.0 ppb (60) N/A 28.0 ppb (27) N/A N/A N/A N/A N/A N/A 90.0
 
April 16, 2021, 11 a.m. 39.0 ppb (37) 15.3 ppb (15) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A N/A 37.0
 
April 16, 2021, 10 a.m. 49.5 ppb (47) 25.1 ppb (24) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A N/A 47.0
 
April 16, 2021, 9 a.m. 49.2 ppb (47) 28.8 ppb (28) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 47.0
 
April 16, 2021, 8 a.m. 43.6 ppb (42) 25.4 ppb (24) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 42.0
 
April 16, 2021, 7 a.m. 19.7 ppb (19) 4.8 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A N/A 19.0
 
April 16, 2021, 6 a.m. 38.4 ppb (37) 16.4 ppb (16) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A N/A 37.0
 
April 16, 2021, 5 a.m. 19.0 ppb (18) 5.9 ppb (6) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 18.0
 
April 16, 2021, 4 a.m. 17.1 ppb (17) 4.5 ppb (5) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 17.0
 
April 16, 2021, 3 a.m. 21.9 ppb (21) 7.3 ppb (7) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A N/A 21.0
 
April 16, 2021, 2 a.m. 24.9 ppb (24) 9.0 ppb (9) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 24.0
 
April 16, 2021, 1 a.m. 33.1 ppb (32) 8.3 ppb (8) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A N/A 32.0
 
April 16, 2021, midnight 39.2 ppb (37) 9.4 ppb (9) N/A 30.0 ppb (29) N/A N/A N/A N/A N/A N/A 37.0
 
April 15, 2021, 11 p.m. 32.0 ppb (31) 10.6 ppb (10) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A N/A 31.0
 
April 15, 2021, 10 p.m. 27.3 ppb (26) 9.4 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 26.0
 
April 15, 2021, 9 p.m. 24.1 ppb (23) 8.1 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 23.0
 
April 15, 2021, 8 p.m. 26.0 ppb (25) 9.4 ppb (9) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A N/A 25.0
 
April 15, 2021, 7 p.m. 22.1 ppb (21) 8.4 ppb (8) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A N/A 21.0
 
April 15, 2021, 6 p.m. 24.8 ppb (24) 10.0 ppb (10) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A N/A 24.0
 
April 15, 2021, 5 p.m. 36.7 ppb (35) 17.9 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 35.0
 
April 15, 2021, 4 p.m. 41.6 ppb (40) 22.0 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 40.0
 
April 15, 2021, 3 p.m. 46.1 ppb (44) 25.4 ppb (24) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A N/A 44.0
 
April 15, 2021, 2 p.m. 45.0 ppb (43) 25.3 ppb (24) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 43.0
 
April 15, 2021, 1 p.m. 45.4 ppb (43) 22.7 ppb (22) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A N/A 43.0
 
April 15, 2021, noon 62.5 ppb (61) 35.6 ppb (34) N/A 27.0 ppb (26) N/A N/A N/A N/A N/A N/A 61.0
 
April 15, 2021, 11 a.m. 56.2 ppb (54) 29.4 ppb (28) N/A 27.0 ppb (26) N/A N/A N/A N/A N/A N/A 54.0
 
April 15, 2021, 10 a.m. 45.0 ppb (43) 20.8 ppb (20) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A N/A 43.0
 
April 15, 2021, 9 a.m. 16.4 ppb (16) 3.2 ppb (4) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 16.0
 
April 15, 2021, 8 a.m. 8.4 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 8.0
 
April 15, 2021, 7 a.m. 8.0 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 8.0
 
April 15, 2021, 6 a.m. 7.2 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 7.0
 
April 15, 2021, 5 a.m. 9.7 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 10.0
 
April 15, 2021, 4 a.m. 13.5 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 13.0
 
April 15, 2021, 3 a.m. 7.8 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 8.0
 
April 15, 2021, 2 a.m. 11.2 ppb (11) 1.3 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 11.0
 
April 15, 2021, 1 a.m. 11.5 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A N/A 11.0
 
April 15, 2021, midnight 29.8 ppb (29) 6.9 ppb (7) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A N/A 29.0
 
April 14, 2021, 11 p.m. 6.7 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 7.0
 
April 14, 2021, 10 p.m. 10.7 ppb (11) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 11.0
 
April 14, 2021, 9 p.m. 8.6 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 9.0
 
April 14, 2021, 8 p.m. 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 6.0
 
April 14, 2021, 7 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 3.0
 
April 14, 2021, 6 p.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
April 14, 2021, 5 p.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 3.0
 
April 14, 2021, 4 p.m. 12.2 ppb (12) 1.9 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 12.0
 
April 14, 2021, 3 p.m. 26.8 ppb (26) 7.2 ppb (7) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 26.0
 
April 14, 2021, 2 p.m. 54.2 ppb (52) 21.9 ppb (21) N/A 32.0 ppb (31) N/A N/A N/A N/A N/A N/A 52.0
 
April 14, 2021, 1 p.m. 99.5 ppb (100) 67.1 ppb (65) N/A 32.0 ppb (31) N/A N/A N/A N/A N/A N/A 100.0
 
April 14, 2021, noon 110.1 ppb (103) 96.5 ppb (97) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A N/A 103.0
 
April 14, 2021, 11 a.m. 88.7 ppb (88) 76.8 ppb (76) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A N/A 88.0
 
April 14, 2021, 10 a.m. 87.6 ppb (87) 72.7 ppb (71) N/A 15.0 ppb (15) N/A N/A N/A N/A N/A N/A 87.0
 
April 14, 2021, 9 a.m. 83.7 ppb (83) 65.4 ppb (64) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 83.0
 
April 14, 2021, 8 a.m. 66.8 ppb (65) 47.6 ppb (45) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 65.0
 
April 14, 2021, 7 a.m. 83.3 ppb (83) 58.9 ppb (57) N/A 24.0 ppb (23) N/A N/A N/A N/A N/A N/A 83.0
 
April 14, 2021, 6 a.m. 82.8 ppb (82) 54.6 ppb (52) N/A 28.0 ppb (27) N/A N/A N/A N/A N/A N/A 82.0
 
April 14, 2021, 5 a.m. 62.6 ppb (61) 34.9 ppb (33) N/A 28.0 ppb (27) N/A N/A N/A N/A N/A N/A 61.0
 
April 14, 2021, 4 a.m. 69.2 ppb (68) 38.5 ppb (37) N/A 31.0 ppb (30) N/A N/A N/A N/A N/A N/A 68.0
 
April 14, 2021, 3 a.m. 61.4 ppb (59) 27.2 ppb (26) N/A 34.0 ppb (33) N/A N/A N/A N/A N/A N/A 59.0
 
April 14, 2021, 2 a.m. 52.5 ppb (50) 12.8 ppb (13) N/A 40.0 ppb (38) N/A N/A N/A N/A N/A N/A 50.0
 
April 14, 2021, 1 a.m. 67.7 ppb (66) 22.0 ppb (21) N/A 46.0 ppb (44) N/A N/A N/A N/A N/A N/A 66.0
 
April 14, 2021, midnight 60.1 ppb (58) 24.8 ppb (24) N/A 35.0 ppb (34) N/A N/A N/A N/A N/A N/A 58.0
 
April 13, 2021, 11 p.m. 8.8 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A N/A 9.0
 
April 13, 2021, 10 p.m. 4.8 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
April 13, 2021, 9 p.m. 7.6 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 8.0
 
April 13, 2021, 8 p.m. 17.8 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A N/A N/A N/A N/A 17.0
 
April 13, 2021, 7 p.m. 13.1 ppb (13) 1.8 ppb (2) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A N/A 13.0
 
April 13, 2021, 6 p.m. 18.7 ppb (18) 5.5 ppb (6) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 18.0
 
April 13, 2021, 5 p.m. 13.7 ppb (13) 4.4 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A N/A 13.0
 
April 13, 2021, 4 p.m. 14.4 ppb (14) 4.2 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A N/A 14.0
 
April 13, 2021, 3 p.m. 18.7 ppb (18) 5.2 ppb (5) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A N/A 18.0
 
April 13, 2021, 2 p.m. 53.3 ppb (51) 24.7 ppb (24) N/A 29.0 ppb (28) N/A N/A N/A N/A N/A N/A 51.0
 
April 13, 2021, 1 p.m. 105.5 ppb (102) 71.8 ppb (70) N/A 34.0 ppb (33) N/A N/A N/A N/A N/A N/A 102.0
 
April 13, 2021, noon 125.5 ppb (106) 104.0 ppb (102) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A N/A 106.0
 
April 13, 2021, 11 a.m. 123.4 ppb (106) 101.6 ppb (102) N/A 22.0 ppb (21) N/A N/A N/A N/A N/A N/A 106.0
 
April 13, 2021, 10 a.m. 70.6 ppb (69) 50.9 ppb (49) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 69.0
 
April 13, 2021, 9 a.m. 72.8 ppb (72) 49.5 ppb (47) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A N/A 72.0
 
April 13, 2021, 8 a.m. 61.1 ppb (59) 36.2 ppb (35) N/A 25.0 ppb (24) N/A N/A N/A N/A N/A N/A 59.0