ID: 864

AQSQID: 490494001

Site Name: Lindon

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

Updated: June 23, 2021, 8:52 p.m.

Location: Lindon (Battle Creek), UT

Reporting: True, Located: True

Current AQI: 61.0

Lindon (Battle Creek) UT, US: 40.3414, -111.7136

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 23, 2021, 7 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) 0.2 ppb (3) N/A 7.7 μg/m3 (33) 61.0
 
June 23, 2021, 6 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) 0.1 ppb (2) N/A 7.2 μg/m3 (31) 58.0
 
June 23, 2021, 5 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) 0.1 ppb (2) N/A 8.2 μg/m3 (35) 51.0
 
June 23, 2021, 4 p.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.1 ppb (2) N/A 8.7 μg/m3 (37) 49.0
 
June 23, 2021, 3 p.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.2 ppb (3) N/A 11.6 μg/m3 (49) 49.0
 
June 23, 2021, 2 p.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.2 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
June 23, 2021, 1 p.m. 6.0 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) 0.1 ppb (2) N/A 12.8 μg/m3 (53) 53.0
 
June 23, 2021, noon 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.1 ppb (2) N/A 8.7 μg/m3 (37) 39.0
 
June 23, 2021, 11 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 40.0
 
June 23, 2021, 10 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.1 ppb (2) N/A 5.1 μg/m3 (22) 42.0
 
June 23, 2021, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.1 ppb (2) N/A 4.5 μg/m3 (19) 41.0
 
June 23, 2021, 8 a.m. 3.5 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.1 ppb (2) N/A 4.9 μg/m3 (21) 41.0
 
June 23, 2021, 7 a.m. 3.3 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 43.0
 
June 23, 2021, 6 a.m. 3.7 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 43.0
 
June 23, 2021, 5 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.1 ppb (2) N/A 7.8 μg/m3 (33) 44.0
 
June 23, 2021, 4 a.m. 3.6 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) 0.1 ppb (2) N/A 9.4 μg/m3 (40) 45.0
 
June 23, 2021, 3 a.m. 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 10.9 μg/m3 (46) 46.0
 
June 23, 2021, 2 a.m. 6.0 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) 0.2 ppb (3) N/A 13.1 μg/m3 (54) 54.0
 
June 23, 2021, 1 a.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) 0.2 ppb (3) N/A 13.3 μg/m3 (54) 54.0
 
June 23, 2021, midnight 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) 0.2 ppb (3) N/A 9.2 μg/m3 (39) 61.0
 
June 22, 2021, 11 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) 0.2 ppb (3) N/A 7.9 μg/m3 (33) 74.0
 
June 22, 2021, 10 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) 0.2 ppb (3) N/A 9.6 μg/m3 (40) 74.0
 
June 22, 2021, 9 p.m. 1.6 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) 0.2 ppb (3) N/A 11.1 μg/m3 (47) 68.0
 
June 22, 2021, 8 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) 0.2 ppb (3) N/A 12.0 μg/m3 (50) 61.0
 
June 22, 2021, 7 p.m. 3.6 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) 0.2 ppb (3) N/A 11.1 μg/m3 (47) 71.0
 
June 22, 2021, 6 p.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) 0.2 ppb (3) N/A 9.6 μg/m3 (40) 78.0
 
June 22, 2021, 5 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) 0.1 ppb (2) N/A 10.1 μg/m3 (43) 71.0
 
June 22, 2021, 4 p.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) 0.1 ppb (2) N/A 10.1 μg/m3 (43) 61.0
 
June 22, 2021, 3 p.m. 15.6 ppb (15) 3.6 ppb (4) N/A 12.0 ppb (12) N/A N/A 39.0 ppb (37) 0.3 ppb (4) N/A 16.1 μg/m3 (60) 60.0
 
June 22, 2021, 2 p.m. 14.2 ppb (14) 3.4 ppb (4) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) 0.3 ppb (4) N/A 16.6 μg/m3 (61) 61.0
 
June 22, 2021, 1 p.m. 12.9 ppb (13) 2.2 ppb (3) N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) 0.2 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
June 22, 2021, noon 8.2 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.2 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
June 22, 2021, 11 a.m. 4.4 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.2 ppb (3) N/A 11.6 μg/m3 (49) 49.0
 
June 22, 2021, 10 a.m. 3.8 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.1 ppb (2) N/A 12.2 μg/m3 (52) 52.0
 
June 22, 2021, 9 a.m. 3.3 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.1 ppb (2) N/A 12.8 μg/m3 (53) 53.0
 
June 22, 2021, 8 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 14.6 μg/m3 (57) 57.0
 
June 22, 2021, 7 a.m. 3.5 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A 18.7 μg/m3 (65) 65.0
 
June 22, 2021, 6 a.m. 6.3 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.1 ppb (2) N/A 10.4 μg/m3 (44) 44.0
 
June 22, 2021, 5 a.m. 9.7 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
June 22, 2021, 4 a.m. 13.4 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (14) N/A N/A 27.0 ppb (25) 0.3 ppb (4) N/A 16.2 μg/m3 (60) 60.0
 
June 22, 2021, 3 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.2 ppb (3) N/A 5.9 μg/m3 (25) 44.0
 
June 22, 2021, 2 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 55.0
 
June 22, 2021, 1 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) 0.2 ppb (3) N/A 7.6 μg/m3 (32) 81.0
 
June 22, 2021, midnight 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 76.0 ppb (104) 0.3 ppb (4) N/A 11.3 μg/m3 (48) 104.0
 
June 21, 2021, 11 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 75.0 ppb (104) 0.2 ppb (3) N/A 9.8 μg/m3 (41) 104.0
 
June 21, 2021, 10 p.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) 0.2 ppb (3) N/A 7.9 μg/m3 (33) 87.0
 
June 21, 2021, 9 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 65.0 ppb (84) 0.2 ppb (3) N/A 7.4 μg/m3 (31) 84.0
 
June 21, 2021, 8 p.m. 4.3 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 68.0 ppb (94) 0.2 ppb (3) N/A 7.6 μg/m3 (32) 94.0
 
June 21, 2021, 7 p.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 74.0
 
June 21, 2021, 6 p.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (81) 0.2 ppb (3) N/A 7.8 μg/m3 (33) 81.0
 
June 21, 2021, 5 p.m. 8.0 ppb (8) 1.5 ppb (2) N/A 7.0 ppb (7) N/A N/A 57.0 ppb (58) 0.2 ppb (3) N/A 11.1 μg/m3 (47) 58.0
 
June 21, 2021, 4 p.m. 11.5 ppb (11) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 49.0 ppb (46) 0.2 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
June 21, 2021, 3 p.m. 5.5 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) 0.2 ppb (3) N/A 11.8 μg/m3 (50) 50.0
 
June 21, 2021, 2 p.m. 5.0 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.2 ppb (3) N/A 11.3 μg/m3 (48) 48.0
 
June 21, 2021, 1 p.m. 9.5 ppb (9) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.2 ppb (3) N/A 11.3 μg/m3 (48) 48.0
 
June 21, 2021, noon 8.3 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.2 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
June 21, 2021, 11 a.m. 4.9 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A 10.1 μg/m3 (43) 43.0
 
June 21, 2021, 10 a.m. 3.4 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.1 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
June 21, 2021, 9 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.1 ppb (2) N/A 9.7 μg/m3 (41) 41.0
 
June 21, 2021, 8 a.m. 4.9 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.1 ppb (2) N/A 10.6 μg/m3 (45) 45.0
 
June 21, 2021, 7 a.m. 5.1 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 15.4 μg/m3 (58) 58.0
 
June 21, 2021, 6 a.m. 5.5 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.2 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
June 21, 2021, 5 a.m. 5.9 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.1 ppb (2) N/A 6.3 μg/m3 (27) 27.0
 
June 21, 2021, 4 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.2 ppb (3) N/A 5.6 μg/m3 (24) 32.0
 
June 21, 2021, 3 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.2 ppb (3) N/A 6.2 μg/m3 (26) 32.0
 
June 21, 2021, 2 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 38.0
 
June 21, 2021, 1 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 41.0
 
June 21, 2021, midnight 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.2 ppb (3) N/A 7.6 μg/m3 (32) 44.0
 
June 20, 2021, 11 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.2 ppb (3) N/A 6.4 μg/m3 (27) 46.0
 
June 20, 2021, 10 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.2 ppb (3) N/A 6.8 μg/m3 (29) 46.0
 
June 20, 2021, 9 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.2 ppb (3) N/A 5.7 μg/m3 (24) 46.0
 
June 20, 2021, 8 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 48.0
 
June 20, 2021, 7 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) 0.2 ppb (3) N/A 4.7 μg/m3 (20) 49.0
 
June 20, 2021, 6 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) 0.1 ppb (2) N/A 5.2 μg/m3 (22) 50.0
 
June 20, 2021, 5 p.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) 0.2 ppb (3) N/A 7.6 μg/m3 (32) 61.0
 
June 20, 2021, 4 p.m. 3.8 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) 0.2 ppb (3) N/A 10.1 μg/m3 (43) 51.0
 
June 20, 2021, 3 p.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) 0.2 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
June 20, 2021, 2 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 15.1 μg/m3 (58) 58.0
 
June 20, 2021, 1 p.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.2 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
June 20, 2021, noon 5.8 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.2 ppb (3) N/A 15.6 μg/m3 (59) 59.0
 
June 20, 2021, 11 a.m. 5.2 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.2 ppb (3) N/A 15.6 μg/m3 (59) 59.0
 
June 20, 2021, 10 a.m. 4.8 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.2 ppb (3) N/A 15.9 μg/m3 (59) 59.0
 
June 20, 2021, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.2 ppb (3) N/A 15.9 μg/m3 (59) 59.0
 
June 20, 2021, 8 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.2 ppb (3) N/A 13.8 μg/m3 (55) 55.0
 
June 20, 2021, 7 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) 0.2 ppb (3) N/A 15.5 μg/m3 (59) 59.0
 
June 20, 2021, 6 a.m. 8.2 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 40.0 ppb (38) 0.2 ppb (3) N/A 16.1 μg/m3 (60) 60.0
 
June 20, 2021, 5 a.m. 8.8 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 40.0 ppb (38) 0.2 ppb (3) N/A 15.6 μg/m3 (59) 59.0
 
June 20, 2021, 4 a.m. 9.3 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) 0.3 ppb (4) N/A 15.1 μg/m3 (58) 58.0
 
June 20, 2021, 3 a.m. 9.1 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 41.0 ppb (38) 0.3 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
June 20, 2021, 2 a.m. 5.0 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) 0.3 ppb (4) N/A 10.3 μg/m3 (43) 47.0
 
June 20, 2021, 1 a.m. N/A 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 58.0 ppb (61) 0.3 ppb (4) N/A 9.0 μg/m3 (38) 61.0
 
June 20, 2021, midnight N/A 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) 0.3 ppb (4) N/A 8.9 μg/m3 (38) 71.0
 
June 19, 2021, 11 p.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) 0.2 ppb (3) N/A 9.7 μg/m3 (41) 74.0
 
June 19, 2021, 10 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) 0.2 ppb (3) N/A 10.7 μg/m3 (45) 71.0
 
June 19, 2021, 9 p.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) 0.2 ppb (3) N/A 10.3 μg/m3 (43) 65.0
 
June 19, 2021, 8 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) 0.2 ppb (3) N/A 9.4 μg/m3 (40) 55.0
 
June 19, 2021, 7 p.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) 0.2 ppb (3) N/A 15.1 μg/m3 (58) 68.0
 
June 19, 2021, 6 p.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) 0.2 ppb (3) N/A 16.9 μg/m3 (62) 87.0
 
June 19, 2021, 5 p.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) 0.2 ppb (3) N/A 16.8 μg/m3 (61) 65.0
 
June 19, 2021, 4 p.m. 7.7 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 49.0 ppb (46) 0.3 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
June 19, 2021, 3 p.m. 8.7 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 42.0 ppb (39) 0.2 ppb (3) N/A 19.8 μg/m3 (68) 68.0
 
June 19, 2021, 2 p.m. 13.8 ppb (14) 2.7 ppb (3) N/A 11.0 ppb (11) N/A N/A 34.0 ppb (32) 0.3 ppb (4) N/A 22.1 μg/m3 (73) 73.0
 
June 19, 2021, 1 p.m. 7.7 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.2 ppb (3) N/A 19.9 μg/m3 (68) 68.0
 
June 19, 2021, noon 6.1 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.2 ppb (3) N/A 18.4 μg/m3 (65) 65.0
 
June 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.2 ppb (3) N/A 17.0 μg/m3 (62) 62.0
 
June 19, 2021, 10 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.2 ppb (3) N/A 16.9 μg/m3 (62) 62.0
 
June 19, 2021, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) 0.1 ppb (2) N/A 16.0 μg/m3 (60) 60.0
 
June 19, 2021, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 18.1 μg/m3 (64) 64.0
 
June 19, 2021, 7 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.2 ppb (3) N/A 17.6 μg/m3 (63) 63.0
 
June 19, 2021, 6 a.m. 4.8 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.2 ppb (3) N/A 18.8 μg/m3 (66) 66.0
 
June 19, 2021, 5 a.m. 7.9 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 40.0 ppb (38) 0.2 ppb (3) N/A 21.4 μg/m3 (71) 71.0
 
June 19, 2021, 4 a.m. 11.5 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (12) N/A N/A 36.0 ppb (34) 0.3 ppb (4) N/A 12.7 μg/m3 (53) 53.0
 
June 19, 2021, 3 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) 0.2 ppb (3) N/A 13.3 μg/m3 (54) 54.0
 
June 19, 2021, 2 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.2 ppb (3) N/A 18.4 μg/m3 (65) 65.0
 
June 19, 2021, 1 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) 0.2 ppb (3) N/A 15.6 μg/m3 (59) 74.0
 
June 19, 2021, midnight 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (97) 0.2 ppb (3) N/A 22.9 μg/m3 (74) 97.0
 
June 18, 2021, 11 p.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 65.0 ppb (84) 0.2 ppb (3) N/A 28.8 μg/m3 (87) 87.0
 
June 18, 2021, 10 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) 0.2 ppb (3) N/A 9.5 μg/m3 (40) 78.0
 
June 18, 2021, 9 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) 0.2 ppb (3) N/A 9.3 μg/m3 (39) 68.0
 
June 18, 2021, 8 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) 0.2 ppb (3) N/A 9.5 μg/m3 (40) 87.0
 
June 18, 2021, 7 p.m. 5.9 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 80.0 ppb (106) 0.3 ppb (4) N/A 12.1 μg/m3 (51) 106.0
 
June 18, 2021, 6 p.m. 10.5 ppb (10) 1.6 ppb (2) N/A 9.0 ppb (9) N/A N/A 69.0 ppb (97) 0.2 ppb (3) N/A 13.5 μg/m3 (54) 97.0
 
June 18, 2021, 5 p.m. 15.1 ppb (15) 3.3 ppb (4) N/A 12.0 ppb (12) N/A N/A 53.0 ppb (50) 0.2 ppb (3) N/A 13.1 μg/m3 (54) 54.0
 
June 18, 2021, 4 p.m. 10.8 ppb (11) 2.7 ppb (3) N/A 8.0 ppb (8) N/A N/A 43.0 ppb (40) 0.2 ppb (3) N/A 28.4 μg/m3 (86) 86.0
 
June 18, 2021, 3 p.m. 21.8 ppb (21) 4.4 ppb (5) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) 0.3 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
June 18, 2021, 2 p.m. 24.1 ppb (23) 3.4 ppb (4) N/A 21.0 ppb (20) N/A N/A 22.0 ppb (21) 0.4 ppb (5) N/A 16.9 μg/m3 (62) 62.0
 
June 18, 2021, 1 p.m. 17.0 ppb (17) 1.9 ppb (2) N/A 15.0 ppb (15) N/A N/A 29.0 ppb (27) 0.2 ppb (3) N/A 14.1 μg/m3 (56) 56.0
 
June 18, 2021, noon 7.7 ppb (8) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.2 ppb (3) N/A 12.5 μg/m3 (52) 52.0
 
June 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.2 ppb (3) N/A 11.9 μg/m3 (50) 50.0
 
June 18, 2021, 10 a.m. 6.0 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
June 18, 2021, 9 a.m. 6.1 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
June 18, 2021, 8 a.m. 5.4 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A 11.3 μg/m3 (48) 48.0
 
June 18, 2021, 7 a.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.2 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
June 18, 2021, 6 a.m. 4.3 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.2 ppb (3) N/A 10.2 μg/m3 (43) 43.0
 
June 18, 2021, 5 a.m. 5.7 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.2 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
June 18, 2021, 4 a.m. 13.1 ppb (13) 0.1 ppb (1) N/A 13.0 ppb (13) N/A N/A 32.0 ppb (30) 0.3 ppb (4) N/A 11.3 μg/m3 (48) 48.0
 
June 18, 2021, 3 a.m. 11.3 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 51.0 ppb (48) 0.4 ppb (5) N/A 9.9 μg/m3 (42) 48.0
 
June 18, 2021, 2 a.m. 4.8 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (48) 0.3 ppb (4) N/A 9.6 μg/m3 (40) 48.0
 
June 18, 2021, 1 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) 0.2 ppb (3) N/A 8.3 μg/m3 (35) 51.0
 
June 18, 2021, midnight 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) 0.2 ppb (3) N/A 8.4 μg/m3 (36) 68.0
 
June 17, 2021, 11 p.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 72.0 ppb (102) 0.3 ppb (4) N/A 9.1 μg/m3 (38) 102.0
 
June 17, 2021, 10 p.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 79.0 ppb (106) 0.3 ppb (4) N/A 10.4 μg/m3 (44) 106.0
 
June 17, 2021, 9 p.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 89.0 ppb (111) 0.3 ppb (4) N/A 12.9 μg/m3 (53) 111.0
 
June 17, 2021, 8 p.m. 8.2 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 96.0 ppb (115) 0.3 ppb (4) N/A 15.8 μg/m3 (59) 115.0
 
June 17, 2021, 7 p.m. 9.1 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
June 17, 2021, 6 p.m. 9.4 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 83.0 ppb (108) 0.3 ppb (4) N/A 18.1 μg/m3 (64) 108.0
 
June 17, 2021, 5 p.m. 9.2 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 66.0 ppb (87) 0.2 ppb (3) N/A 15.9 μg/m3 (59) 87.0
 
June 17, 2021, 4 p.m. 14.2 ppb (14) 2.8 ppb (3) N/A 11.0 ppb (11) N/A N/A 49.0 ppb (46) 0.3 ppb (4) N/A 16.3 μg/m3 (60) 60.0
 
June 17, 2021, 3 p.m. 17.5 ppb (17) 4.0 ppb (4) N/A 13.0 ppb (13) N/A N/A 36.0 ppb (34) 0.3 ppb (4) N/A 16.6 μg/m3 (61) 61.0
 
June 17, 2021, 2 p.m. 18.0 ppb (17) 4.1 ppb (4) N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
June 17, 2021, 1 p.m. 11.4 ppb (11) 1.5 ppb (2) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) 0.2 ppb (3) N/A 17.5 μg/m3 (63) 63.0
 
June 17, 2021, noon 7.2 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) 0.2 ppb (3) N/A 15.1 μg/m3 (58) 58.0
 
June 17, 2021, 11 a.m. 5.6 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.1 ppb (2) N/A 14.5 μg/m3 (57) 57.0
 
June 17, 2021, 10 a.m. 4.8 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.1 ppb (2) N/A 16.3 μg/m3 (60) 60.0
 
June 17, 2021, 9 a.m. 4.7 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.1 ppb (2) N/A 18.0 μg/m3 (64) 64.0
 
June 17, 2021, 8 a.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A 19.5 μg/m3 (67) 67.0
 
June 17, 2021, 7 a.m. 5.2 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.1 ppb (2) N/A 19.2 μg/m3 (66) 66.0
 
June 17, 2021, 6 a.m. 6.3 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.2 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
June 17, 2021, 5 a.m. 5.2 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.2 ppb (3) N/A 25.2 μg/m3 (79) 79.0
 
June 17, 2021, 4 a.m. 10.8 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) 0.2 ppb (3) N/A 32.3 μg/m3 (94) 94.0
 
June 17, 2021, 3 a.m. 11.4 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) 0.4 ppb (5) N/A 15.1 μg/m3 (58) 58.0
 
June 17, 2021, 2 a.m. 7.7 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 59.0 ppb (65) 0.4 ppb (5) N/A 13.1 μg/m3 (54) 65.0
 
June 17, 2021, 1 a.m. 6.1 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 74.0 ppb (103) 0.3 ppb (4) N/A 12.1 μg/m3 (51) 103.0
 
June 17, 2021, midnight 4.6 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 71.0 ppb (101) 0.3 ppb (4) N/A 11.2 μg/m3 (47) 101.0
 
June 16, 2021, 11 p.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (100) 0.2 ppb (3) N/A 10.2 μg/m3 (43) 100.0
 
June 16, 2021, 10 p.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) 0.2 ppb (3) N/A 10.5 μg/m3 (44) 71.0
 
June 16, 2021, 9 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) 0.2 ppb (3) N/A 11.3 μg/m3 (48) 71.0
 
June 16, 2021, 8 p.m. 6.0 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 69.0 ppb (97) 0.3 ppb (4) N/A 13.5 μg/m3 (54) 97.0