ID: 883

AQSQID: 511611004

Site Name: East Vinton Elementary School

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

Updated: July 30, 2021, 7:52 a.m.

Location: Roanoke (Gates Lane), VA

Reporting: True, Located: True

Current AQI: 75.0

Roanoke (Gates Lane) VA, US: 37.285599, -79.884201

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 44.0 ppb (41) 0.3 ppb (4) N/A 23.1 μg/m3 (75) 75.0
 
July 30, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 46.0 ppb (43) 0.3 ppb (4) N/A 24.2 μg/m3 (77) 77.0
 
July 30, 2021, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 39.0 ppb (37) 0.3 ppb (4) N/A 23.6 μg/m3 (76) 76.0
 
July 30, 2021, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 36.0 ppb (34) 0.3 ppb (4) N/A 22.1 μg/m3 (73) 73.0
 
July 30, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) 0.3 ppb (4) N/A 20.4 μg/m3 (69) 69.0
 
July 30, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 38.0 ppb (36) 0.3 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
July 30, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 52.0 ppb (49) 0.3 ppb (4) N/A 19.1 μg/m3 (66) 66.0
 
July 29, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 54.0 ppb (50) 0.2 ppb (3) N/A 18.3 μg/m3 (65) 65.0
 
July 29, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 58.0 ppb (61) 0.2 ppb (3) N/A 18.6 μg/m3 (65) 65.0
 
July 29, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 58.0 ppb (61) 0.3 ppb (4) N/A 18.5 μg/m3 (65) 65.0
 
July 29, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 58.0 ppb (61) 0.3 ppb (4) N/A 19.2 μg/m3 (66) 66.0
 
July 29, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 61.0 ppb (71) 0.3 ppb (4) N/A 20.0 μg/m3 (68) 71.0
 
July 29, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 60.0 ppb (68) 0.3 ppb (4) N/A 20.4 μg/m3 (69) 69.0
 
July 29, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 60.0 ppb (68) 0.3 ppb (4) N/A 21.3 μg/m3 (71) 71.0
 
July 29, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 59.0 ppb (65) 0.3 ppb (4) N/A 21.4 μg/m3 (71) 71.0
 
July 29, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 60.0 ppb (68) 0.3 ppb (4) N/A 23.4 μg/m3 (75) 75.0
 
July 29, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 54.0 ppb (50) 0.3 ppb (4) N/A 24.4 μg/m3 (77) 77.0
 
July 29, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 38.0 ppb (36) 0.3 ppb (4) N/A 24.3 μg/m3 (77) 77.0
 
July 29, 2021, noon N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 22.0 ppb (21) 0.3 ppb (4) N/A 23.2 μg/m3 (75) 75.0
 
July 29, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 11.0 ppb (11) 0.3 ppb (4) N/A 22.7 μg/m3 (74) 74.0
 
July 29, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) N/A 23.0 μg/m3 (74) 74.0
 
July 29, 2021, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 11.0 ppb (11) 0.3 ppb (4) N/A 22.5 μg/m3 (73) 73.0
 
July 29, 2021, 8 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) N/A 22.2 μg/m3 (73) 73.0
 
July 29, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) 0.3 ppb (4) N/A 22.5 μg/m3 (73) 73.0
 
July 29, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) 0.3 ppb (4) N/A 21.9 μg/m3 (72) 72.0
 
July 29, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
July 29, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) N/A 21.6 μg/m3 (71) 71.0
 
July 29, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.3 ppb (4) N/A 21.6 μg/m3 (71) 71.0
 
July 29, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.3 ppb (4) N/A 21.2 μg/m3 (71) 71.0
 
July 29, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 47.0 ppb (44) 0.3 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
July 29, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 46.0 ppb (43) 0.3 ppb (4) N/A 20.2 μg/m3 (69) 69.0
 
July 28, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 52.0 ppb (49) 0.3 ppb (4) N/A 20.1 μg/m3 (68) 68.0
 
July 28, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 56.0 ppb (55) 0.2 ppb (3) N/A 20.5 μg/m3 (69) 69.0
 
July 28, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 58.0 ppb (61) 0.2 ppb (3) N/A 20.1 μg/m3 (68) 68.0
 
July 28, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 56.0 ppb (55) 0.2 ppb (3) N/A 19.3 μg/m3 (67) 67.0
 
July 28, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 60.0 ppb (68) 0.2 ppb (3) N/A 22.0 μg/m3 (72) 72.0
 
July 28, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 58.0 ppb (61) 0.2 ppb (3) N/A 20.2 μg/m3 (69) 69.0
 
July 28, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 56.0 ppb (55) 0.2 ppb (3) N/A 17.2 μg/m3 (62) 62.0
 
July 28, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 54.0 ppb (50) 0.2 ppb (3) N/A 15.6 μg/m3 (59) 59.0
 
July 28, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 51.0 ppb (48) 0.2 ppb (3) N/A 16.3 μg/m3 (60) 60.0
 
July 28, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 47.0 ppb (44) 0.2 ppb (3) N/A 15.8 μg/m3 (59) 59.0
 
July 28, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) N/A 14.7 μg/m3 (57) 57.0
 
July 28, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (16) 0.3 ppb (4) N/A 12.4 μg/m3 (52) 52.0
 
July 28, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (13) 0.2 ppb (3) N/A 11.3 μg/m3 (48) 48.0
 
July 28, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) 0.2 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
July 28, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A 9.9 μg/m3 (42) 42.0
 
July 28, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
July 28, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 7.8 μg/m3 (33) 33.0
 
July 28, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
July 28, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
July 28, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.2 ppb (3) N/A 7.9 μg/m3 (33) 42.0
 
July 28, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) N/A 13.2 μg/m3 (54) 54.0
 
July 28, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.3 ppb (4) N/A 14.4 μg/m3 (56) 56.0
 
July 28, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) N/A 14.9 μg/m3 (57) 57.0
 
July 28, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.3 ppb (4) N/A 14.2 μg/m3 (56) 56.0
 
July 27, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) 0.2 ppb (3) N/A 14.1 μg/m3 (56) 56.0
 
July 27, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) 0.2 ppb (3) N/A 14.3 μg/m3 (56) 56.0
 
July 27, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.2 ppb (3) N/A 14.2 μg/m3 (56) 56.0
 
July 27, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.2 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.2 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.2 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) 0.2 ppb (3) N/A 13.6 μg/m3 (55) 55.0
 
July 27, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.2 ppb (3) N/A 13.1 μg/m3 (54) 54.0
 
July 27, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.3 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 27, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) N/A 9.9 μg/m3 (42) 42.0
 
July 27, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
July 27, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (13) 0.2 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
July 27, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (9) 0.2 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
July 27, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
July 27, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 15.0 ppb (14) 0.2 ppb (3) N/A 8.7 μg/m3 (37) 37.0
 
July 27, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 8.5 μg/m3 (36) 36.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.2 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
July 27, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) 0.2 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
July 27, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
July 27, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) N/A 6.7 μg/m3 (28) 35.0
 
July 27, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
July 27, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 31.0
 
July 27, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.2 ppb (3) N/A 8.8 μg/m3 (37) 42.0
 
July 26, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) 0.2 ppb (3) N/A 8.7 μg/m3 (37) 44.0
 
July 26, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.2 ppb (3) N/A 9.5 μg/m3 (40) 41.0
 
July 26, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.2 ppb (3) N/A 9.9 μg/m3 (42) 45.0
 
July 26, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) 0.2 ppb (3) N/A 9.6 μg/m3 (40) 49.0
 
July 26, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.3 ppb (4) N/A 8.0 μg/m3 (34) 46.0
 
July 26, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.3 ppb (4) N/A 8.6 μg/m3 (36) 40.0
 
July 26, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) 0.3 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.3 ppb (4) N/A 15.7 μg/m3 (59) 59.0
 
July 26, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) 0.3 ppb (4) N/A 16.1 μg/m3 (60) 60.0
 
July 26, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.3 ppb (4) N/A 17.3 μg/m3 (62) 62.0
 
July 26, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
July 26, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.4 ppb (5) N/A 17.9 μg/m3 (64) 64.0
 
July 26, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
July 26, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 8.0 ppb (8) 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
July 26, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) N/A 18.6 μg/m3 (65) 65.0
 
July 26, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) 0.3 ppb (4) N/A 18.3 μg/m3 (65) 65.0
 
July 26, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 26, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) N/A 16.6 μg/m3 (61) 61.0
 
July 26, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
July 26, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) N/A 16.2 μg/m3 (60) 60.0
 
July 26, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.3 ppb (4) N/A 15.9 μg/m3 (59) 59.0
 
July 26, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) N/A 16.7 μg/m3 (61) 61.0
 
July 26, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
July 26, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.3 ppb (4) N/A 15.4 μg/m3 (58) 58.0
 
July 25, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.3 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
July 25, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) N/A 16.3 μg/m3 (60) 60.0
 
July 25, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
July 25, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) 0.3 ppb (4) N/A 19.1 μg/m3 (66) 66.0
 
July 25, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) 0.3 ppb (4) N/A 19.9 μg/m3 (68) 68.0
 
July 25, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) 0.3 ppb (4) N/A 19.9 μg/m3 (68) 68.0
 
July 25, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) 0.3 ppb (4) N/A 21.1 μg/m3 (70) 70.0
 
July 25, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) 0.3 ppb (4) N/A 21.8 μg/m3 (72) 72.0
 
July 25, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.3 ppb (4) N/A 21.8 μg/m3 (72) 72.0
 
July 25, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.4 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
July 25, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.4 ppb (5) N/A 20.1 μg/m3 (68) 68.0
 
July 25, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) 0.4 ppb (5) N/A 19.1 μg/m3 (66) 66.0
 
July 25, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 9.0 ppb (9) 0.3 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
July 25, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 5.0 ppb (5) 0.3 ppb (4) N/A 19.8 μg/m3 (68) 68.0
 
July 25, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.3 ppb (4) N/A 19.9 μg/m3 (68) 68.0
 
July 25, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) 0.4 ppb (5) N/A 19.9 μg/m3 (68) 68.0
 
July 25, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.4 ppb (5) N/A 19.2 μg/m3 (66) 66.0
 
July 25, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) 0.4 ppb (5) N/A 18.5 μg/m3 (65) 65.0
 
July 25, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.4 ppb (5) N/A 18.1 μg/m3 (64) 64.0
 
July 25, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.4 ppb (5) N/A 18.4 μg/m3 (65) 65.0
 
July 25, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.4 ppb (5) N/A 18.5 μg/m3 (65) 65.0
 
July 25, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.4 ppb (5) N/A 18.8 μg/m3 (66) 66.0
 
July 25, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) 0.4 ppb (5) N/A 20.0 μg/m3 (68) 68.0
 
July 25, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.4 ppb (5) N/A 21.8 μg/m3 (72) 72.0
 
July 24, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.4 ppb (5) N/A 20.5 μg/m3 (69) 69.0
 
July 24, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) 0.4 ppb (5) N/A 20.9 μg/m3 (70) 70.0
 
July 24, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) 0.4 ppb (5) N/A 22.9 μg/m3 (74) 74.0
 
July 24, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) 0.4 ppb (5) N/A 24.0 μg/m3 (77) 77.0
 
July 24, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 49.0 ppb (46) 0.4 ppb (5) N/A 23.5 μg/m3 (75) 75.0
 
July 24, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 49.0 ppb (46) 0.4 ppb (5) N/A 22.3 μg/m3 (73) 73.0
 
July 24, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) 0.4 ppb (5) N/A 22.0 μg/m3 (72) 72.0
 
July 24, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 41.0 ppb (38) 0.4 ppb (5) N/A 21.8 μg/m3 (72) 72.0
 
July 24, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) 0.4 ppb (5) N/A 22.1 μg/m3 (73) 73.0
 
July 24, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) 0.4 ppb (5) N/A 22.1 μg/m3 (73) 73.0
 
July 24, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) 0.3 ppb (4) N/A 21.4 μg/m3 (71) 71.0
 
July 24, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (12) 0.4 ppb (5) N/A 20.4 μg/m3 (69) 69.0
 
July 24, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 19.9 μg/m3 (68) 68.0
 
July 24, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 11.0 ppb (11) 0.3 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
July 24, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.3 ppb (4) N/A 19.4 μg/m3 (67) 67.0
 
July 24, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 16.0 ppb (15) 0.3 ppb (4) N/A 18.7 μg/m3 (65) 65.0
 
July 24, 2021, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 18.7 μg/m3 (65) 65.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) 0.3 ppb (4) N/A 18.3 μg/m3 (65) 65.0
 
July 24, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) N/A 17.7 μg/m3 (63) 63.0
 
July 24, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) N/A 17.8 μg/m3 (63) 63.0
 
July 24, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 29.0 ppb (27) 0.3 ppb (4) N/A 19.3 μg/m3 (67) 67.0
 
July 24, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) N/A 17.7 μg/m3 (63) 63.0
 
July 24, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.3 ppb (4) N/A 19.4 μg/m3 (67) 67.0
 
July 24, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 44.0 ppb (41) 0.3 ppb (4) N/A 17.8 μg/m3 (63) 63.0
 
July 23, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) 0.3 ppb (4) N/A 15.9 μg/m3 (59) 59.0
 
July 23, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 50.0 ppb (47) 0.3 ppb (4) N/A 15.8 μg/m3 (59) 59.0
 
July 23, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 50.0 ppb (47) 0.3 ppb (4) N/A 15.8 μg/m3 (59) 59.0
 
July 23, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 52.0 ppb (49) 0.2 ppb (3) N/A 15.7 μg/m3 (59) 59.0
 
July 23, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 50.0 ppb (47) 0.3 ppb (4) N/A 15.7 μg/m3 (59) 59.0
 
July 23, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 48.0 ppb (45) 0.3 ppb (4) N/A 17.2 μg/m3 (62) 62.0
 
July 23, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) 0.3 ppb (4) N/A 18.6 μg/m3 (65) 65.0
 
July 23, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 44.0 ppb (41) 0.3 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
July 23, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) 0.3 ppb (4) N/A 18.4 μg/m3 (65) 65.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 0.3 ppb (4) N/A 17.9 μg/m3 (64) 64.0
 
July 23, 2021, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A N/A 18.6 μg/m3 (65) 65.0
 
July 23, 2021, noon N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 11.0 ppb (11) 0.3 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
July 23, 2021, 11 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 4.0 ppb (4) 0.3 ppb (4) N/A 20.6 μg/m3 (69) 69.0
 
July 23, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) N/A 20.8 μg/m3 (70) 70.0
 
July 23, 2021, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 11.0 ppb (11) 0.2 ppb (3) N/A 22.0 μg/m3 (72) 72.0
 
July 23, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) N/A 21.4 μg/m3 (71) 71.0
 
July 23, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 23.0 ppb (22) 0.2 ppb (3) N/A 20.4 μg/m3 (69) 69.0