ID: 2783

AQSQID: 060710026

Site Name: Ontario Near Road

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

Updated: Sept. 21, 2021, 7:57 a.m.

Location: Ontario (Fontana Gateway), CA

Reporting: True, Located: True

Current AQI: 47.0

Ontario (Fontana Gateway) CA, US: 34.068114, -117.525796

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2021, 6 a.m. 49.4 ppb (47) 7.9 ppb (8) N/A 42.0 ppb (40) N/A N/A N/A 0.47 ppb (6) N/A N/A 47.0
 
Sept. 21, 2021, 5 a.m. 72.4 ppb (71) 24.8 ppb (24) N/A 48.0 ppb (46) N/A N/A N/A 0.5 ppb (6) N/A N/A 71.0
 
Sept. 21, 2021, 4 a.m. 66.0 ppb (64) 20.2 ppb (20) N/A 46.0 ppb (44) N/A N/A N/A 0.49 ppb (6) N/A N/A 64.0
 
Sept. 21, 2021, 3 a.m. 75.8 ppb (75) 23.7 ppb (23) N/A 52.0 ppb (50) N/A N/A N/A 0.53 ppb (6) N/A N/A 75.0
 
Sept. 21, 2021, 2 a.m. 53.7 ppb (51) 7.7 ppb (8) N/A 46.0 ppb (44) N/A N/A N/A 0.5 ppb (6) N/A N/A 51.0
 
Sept. 21, 2021, 1 a.m. 50.5 ppb (48) 4.0 ppb (4) N/A 47.0 ppb (45) N/A N/A N/A 0.51 ppb (6) N/A N/A 48.0
 
Sept. 21, 2021, midnight 27.9 ppb (27) 1.4 ppb (2) N/A 27.0 ppb (26) N/A N/A N/A 0.44 ppb (5) N/A N/A 27.0
 
Sept. 20, 2021, 11 p.m. 29.1 ppb (28) 2.3 ppb (3) N/A 27.0 ppb (26) N/A N/A N/A 0.44 ppb (5) N/A N/A 28.0
 
Sept. 20, 2021, 10 p.m. 43.8 ppb (42) 5.5 ppb (6) N/A 38.0 ppb (36) N/A N/A N/A 0.48 ppb (6) N/A N/A 42.0
 
Sept. 20, 2021, 9 p.m. 41.6 ppb (40) 6.5 ppb (7) N/A 35.0 ppb (34) N/A N/A N/A 0.48 ppb (6) N/A N/A 40.0
 
Sept. 20, 2021, 8 p.m. 51.8 ppb (49) 10.8 ppb (11) N/A 41.0 ppb (39) N/A N/A N/A 0.5 ppb (6) N/A N/A 49.0
 
Sept. 20, 2021, 7 p.m. 36.7 ppb (35) 6.6 ppb (7) N/A 30.0 ppb (29) N/A N/A N/A 0.41 ppb (5) N/A N/A 35.0
 
Sept. 20, 2021, 6 p.m. 49.6 ppb (47) 13.9 ppb (14) N/A 36.0 ppb (34) N/A N/A N/A 0.43 ppb (5) N/A N/A 47.0
 
Sept. 20, 2021, 5 p.m. 50.2 ppb (48) 14.9 ppb (15) N/A 35.0 ppb (34) N/A N/A N/A 0.41 ppb (5) N/A N/A 48.0
 
Sept. 20, 2021, 4 p.m. 104.0 ppb (102) 55.2 ppb (53) N/A 49.0 ppb (47) N/A N/A N/A 0.66 ppb (8) N/A N/A 102.0
 
Sept. 20, 2021, 3 p.m. 168.7 ppb (114) 113.1 ppb (104) N/A 56.0 ppb (54) N/A N/A N/A 0.9 ppb (11) N/A N/A 114.0
 
Sept. 20, 2021, 2 p.m. 139.6 ppb (109) 91.6 ppb (92) N/A 48.0 ppb (46) N/A N/A N/A 0.92 ppb (11) N/A N/A 109.0
 
Sept. 20, 2021, 1 p.m. 87.4 ppb (87) 45.6 ppb (44) N/A 42.0 ppb (40) N/A N/A N/A 0.8 ppb (10) N/A N/A 87.0
 
Sept. 20, 2021, noon 83.2 ppb (83) 44.4 ppb (42) N/A 39.0 ppb (37) N/A N/A N/A 0.63 ppb (7) N/A N/A 83.0
 
Sept. 20, 2021, 11 a.m. 79.8 ppb (79) 39.4 ppb (38) N/A 41.0 ppb (39) N/A N/A N/A 0.54 ppb (6) N/A N/A 79.0
 
Sept. 20, 2021, 10 a.m. 51.7 ppb (49) 12.1 ppb (12) N/A 40.0 ppb (38) N/A N/A N/A 0.46 ppb (6) N/A N/A 49.0
 
Sept. 20, 2021, 9 a.m. 50.7 ppb (48) 13.9 ppb (14) N/A 37.0 ppb (35) N/A N/A N/A 0.45 ppb (6) N/A N/A 48.0
 
Sept. 20, 2021, 8 a.m. 42.3 ppb (40) 8.4 ppb (8) N/A 34.0 ppb (33) N/A N/A N/A 0.45 ppb (6) N/A N/A 40.0
 
Sept. 20, 2021, 7 a.m. 35.1 ppb (34) 4.8 ppb (5) N/A 30.0 ppb (29) N/A N/A N/A 0.42 ppb (5) N/A N/A 34.0
 
Sept. 20, 2021, 6 a.m. 31.4 ppb (30) 2.7 ppb (3) N/A 29.0 ppb (28) N/A N/A N/A 0.39 ppb (5) N/A N/A 30.0
 
Sept. 20, 2021, 5 a.m. 35.9 ppb (34) 5.4 ppb (6) N/A 31.0 ppb (30) N/A N/A N/A 0.45 ppb (6) N/A N/A 34.0
 
Sept. 20, 2021, 4 a.m. 33.7 ppb (32) 4.3 ppb (5) N/A 30.0 ppb (29) N/A N/A N/A 0.45 ppb (6) N/A N/A 32.0
 
Sept. 20, 2021, 3 a.m. 30.7 ppb (29) 2.4 ppb (3) N/A 28.0 ppb (27) N/A N/A N/A 0.43 ppb (5) N/A N/A 29.0
 
Sept. 20, 2021, 2 a.m. 25.8 ppb (25) 2.4 ppb (3) N/A 23.0 ppb (22) N/A N/A N/A 0.41 ppb (5) N/A N/A 25.0
 
Sept. 20, 2021, 1 a.m. 23.8 ppb (23) 1.5 ppb (2) N/A 22.0 ppb (21) N/A N/A N/A 0.4 ppb (5) N/A N/A 23.0
 
Sept. 20, 2021, midnight 19.0 ppb (18) 1.4 ppb (2) N/A 18.0 ppb (17) N/A N/A N/A 0.37 ppb (5) N/A N/A 18.0
 
Sept. 19, 2021, 11 p.m. 13.7 ppb (13) 1.3 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A N/A 13.0
 
Sept. 19, 2021, 10 p.m. 11.2 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A 0.28 ppb (4) N/A N/A 11.0
 
Sept. 19, 2021, 9 p.m. 11.6 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.29 ppb (4) N/A N/A 11.0
 
Sept. 19, 2021, 8 p.m. 11.0 ppb (11) 1.2 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.28 ppb (4) N/A N/A 11.0
 
Sept. 19, 2021, 7 p.m. 9.2 ppb (9) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A N/A 9.0
 
Sept. 19, 2021, 6 p.m. 13.7 ppb (13) 1.6 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A N/A 13.0
 
Sept. 19, 2021, 5 p.m. 23.3 ppb (22) 5.9 ppb (6) N/A 17.0 ppb (17) N/A N/A N/A 0.41 ppb (5) N/A N/A 22.0
 
Sept. 19, 2021, 4 p.m. 35.0 ppb (34) 12.6 ppb (12) N/A 22.0 ppb (21) N/A N/A N/A 0.45 ppb (6) N/A N/A 34.0
 
Sept. 19, 2021, 3 p.m. 44.6 ppb (43) 19.2 ppb (19) N/A 26.0 ppb (25) N/A N/A N/A 0.5 ppb (6) N/A N/A 43.0
 
Sept. 19, 2021, 2 p.m. 60.2 ppb (58) 30.9 ppb (30) N/A 30.0 ppb (29) N/A N/A N/A 0.54 ppb (6) N/A N/A 58.0
 
Sept. 19, 2021, 1 p.m. 59.4 ppb (57) 27.4 ppb (26) N/A 32.0 ppb (31) N/A N/A N/A 0.57 ppb (7) N/A N/A 57.0
 
Sept. 19, 2021, noon 60.8 ppb (59) 30.0 ppb (29) N/A 31.0 ppb (30) N/A N/A N/A 0.61 ppb (7) N/A N/A 59.0
 
Sept. 19, 2021, 11 a.m. 35.6 ppb (34) 5.3 ppb (5) N/A 30.0 ppb (29) N/A N/A N/A 0.46 ppb (6) N/A N/A 34.0
 
Sept. 19, 2021, 10 a.m. 32.9 ppb (32) 5.7 ppb (6) N/A 27.0 ppb (26) N/A N/A N/A 0.49 ppb (6) N/A N/A 32.0
 
Sept. 19, 2021, 9 a.m. 39.4 ppb (38) 8.9 ppb (9) N/A 31.0 ppb (30) N/A N/A N/A 0.49 ppb (6) N/A N/A 38.0
 
Sept. 19, 2021, 8 a.m. 38.2 ppb (37) 4.7 ppb (5) N/A 34.0 ppb (33) N/A N/A N/A 0.5 ppb (6) N/A N/A 37.0
 
Sept. 19, 2021, 7 a.m. 33.1 ppb (32) 4.3 ppb (5) N/A 29.0 ppb (28) N/A N/A N/A 0.5 ppb (6) N/A N/A 32.0
 
Sept. 19, 2021, 6 a.m. 29.4 ppb (28) 3.0 ppb (3) N/A 26.0 ppb (25) N/A N/A N/A 0.48 ppb (6) N/A N/A 28.0
 
Sept. 19, 2021, 5 a.m. 34.9 ppb (33) 6.4 ppb (7) N/A 29.0 ppb (28) N/A N/A N/A 0.52 ppb (6) N/A N/A 33.0
 
Sept. 19, 2021, 4 a.m. 28.3 ppb (27) 3.8 ppb (4) N/A 25.0 ppb (24) N/A N/A N/A 0.41 ppb (5) N/A N/A 27.0
 
Sept. 19, 2021, 3 a.m. 27.2 ppb (26) 3.4 ppb (4) N/A 24.0 ppb (23) N/A N/A N/A 0.42 ppb (5) N/A N/A 26.0
 
Sept. 19, 2021, 2 a.m. 28.5 ppb (27) 4.2 ppb (4) N/A 24.0 ppb (23) N/A N/A N/A 0.43 ppb (5) N/A N/A 27.0
 
Sept. 19, 2021, 1 a.m. 24.5 ppb (24) 2.7 ppb (3) N/A 22.0 ppb (21) N/A N/A N/A 0.42 ppb (5) N/A N/A 24.0
 
Sept. 19, 2021, midnight 19.9 ppb (19) 1.8 ppb (2) N/A 18.0 ppb (17) N/A N/A N/A 0.37 ppb (5) N/A N/A 19.0
 
Sept. 18, 2021, 11 p.m. 20.6 ppb (20) 2.4 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A 0.38 ppb (5) N/A N/A 20.0
 
Sept. 18, 2021, 10 p.m. 21.6 ppb (21) 2.9 ppb (3) N/A 19.0 ppb (18) N/A N/A N/A 0.39 ppb (5) N/A N/A 21.0
 
Sept. 18, 2021, 9 p.m. 18.9 ppb (18) 2.9 ppb (3) N/A 16.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A N/A 18.0
 
Sept. 18, 2021, 8 p.m. 18.0 ppb (17) 2.8 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A 0.34 ppb (4) N/A N/A 17.0
 
Sept. 18, 2021, 7 p.m. 24.8 ppb (24) 5.3 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.39 ppb (5) N/A N/A 24.0
 
Sept. 18, 2021, 6 p.m. 25.4 ppb (24) 6.7 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (5) N/A N/A 24.0
 
Sept. 18, 2021, 5 p.m. 26.6 ppb (26) 7.5 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.39 ppb (5) N/A N/A 26.0
 
Sept. 18, 2021, 4 p.m. 34.1 ppb (33) 13.2 ppb (13) N/A 21.0 ppb (20) N/A N/A N/A 0.42 ppb (5) N/A N/A 33.0
 
Sept. 18, 2021, 3 p.m. 55.3 ppb (53) 28.1 ppb (27) N/A 27.0 ppb (26) N/A N/A N/A 0.52 ppb (6) N/A N/A 53.0
 
Sept. 18, 2021, 2 p.m. 78.6 ppb (78) 46.0 ppb (44) N/A 33.0 ppb (32) N/A N/A N/A 0.68 ppb (8) N/A N/A 78.0
 
Sept. 18, 2021, 1 p.m. 63.5 ppb (62) 31.0 ppb (30) N/A 33.0 ppb (32) N/A N/A N/A 0.59 ppb (7) N/A N/A 62.0
 
Sept. 18, 2021, noon 52.1 ppb (50) 21.0 ppb (20) N/A 31.0 ppb (30) N/A N/A N/A 0.5 ppb (6) N/A N/A 50.0
 
Sept. 18, 2021, 11 a.m. 38.4 ppb (37) 11.4 ppb (11) N/A 27.0 ppb (26) N/A N/A N/A 0.43 ppb (5) N/A N/A 37.0
 
Sept. 18, 2021, 10 a.m. 44.5 ppb (42) 14.2 ppb (14) N/A 30.0 ppb (29) N/A N/A N/A 0.41 ppb (5) N/A N/A 42.0
 
Sept. 18, 2021, 9 a.m. 37.4 ppb (36) 8.6 ppb (9) N/A 29.0 ppb (28) N/A N/A N/A 0.43 ppb (5) N/A N/A 36.0
 
Sept. 18, 2021, 8 a.m. 38.9 ppb (37) 8.8 ppb (9) N/A 30.0 ppb (29) N/A N/A N/A 0.43 ppb (5) N/A N/A 37.0
 
Sept. 18, 2021, 7 a.m. 35.9 ppb (34) 6.7 ppb (7) N/A 29.0 ppb (28) N/A N/A N/A 0.41 ppb (5) N/A N/A 34.0
 
Sept. 18, 2021, 6 a.m. 41.1 ppb (39) 11.3 ppb (11) N/A 30.0 ppb (29) N/A N/A N/A 0.42 ppb (5) N/A N/A 39.0
 
Sept. 18, 2021, 5 a.m. 36.5 ppb (35) 8.0 ppb (8) N/A 29.0 ppb (28) N/A N/A N/A 0.43 ppb (5) N/A N/A 35.0
 
Sept. 18, 2021, 4 a.m. 46.9 ppb (45) 14.8 ppb (14) N/A 32.0 ppb (31) N/A N/A N/A 0.46 ppb (6) N/A N/A 45.0
 
Sept. 18, 2021, 3 a.m. 47.5 ppb (45) 12.1 ppb (12) N/A 36.0 ppb (34) N/A N/A N/A 0.47 ppb (6) N/A N/A 45.0
 
Sept. 18, 2021, 2 a.m. 45.4 ppb (43) 10.3 ppb (10) N/A 35.0 ppb (34) N/A N/A N/A 0.45 ppb (6) N/A N/A 43.0
 
Sept. 18, 2021, 1 a.m. 44.9 ppb (43) 8.4 ppb (8) N/A 37.0 ppb (35) N/A N/A N/A 0.45 ppb (6) N/A N/A 43.0
 
Sept. 18, 2021, midnight 30.8 ppb (30) 3.1 ppb (3) N/A 28.0 ppb (27) N/A N/A N/A 0.41 ppb (5) N/A N/A 30.0
 
Sept. 17, 2021, 11 p.m. 29.7 ppb (29) 3.2 ppb (4) N/A 27.0 ppb (26) N/A N/A N/A 0.4 ppb (5) N/A N/A 29.0
 
Sept. 17, 2021, 10 p.m. 34.0 ppb (33) 4.5 ppb (5) N/A 30.0 ppb (29) N/A N/A N/A 0.41 ppb (5) N/A N/A 33.0
 
Sept. 17, 2021, 9 p.m. 36.5 ppb (35) 6.1 ppb (6) N/A 30.0 ppb (29) N/A N/A N/A 0.4 ppb (5) N/A N/A 35.0
 
Sept. 17, 2021, 8 p.m. 40.7 ppb (39) 10.2 ppb (10) N/A 31.0 ppb (30) N/A N/A N/A 0.4 ppb (5) N/A N/A 39.0
 
Sept. 17, 2021, 7 p.m. 44.7 ppb (43) 11.7 ppb (12) N/A 33.0 ppb (32) N/A N/A N/A 0.4 ppb (5) N/A N/A 43.0
 
Sept. 17, 2021, 6 p.m. 46.0 ppb (44) 15.9 ppb (15) N/A 30.0 ppb (29) N/A N/A N/A 0.45 ppb (6) N/A N/A 44.0
 
Sept. 17, 2021, 5 p.m. 55.2 ppb (53) 23.6 ppb (23) N/A 32.0 ppb (31) N/A N/A N/A 0.46 ppb (6) N/A N/A 53.0
 
Sept. 17, 2021, 4 p.m. 59.8 ppb (58) 28.2 ppb (27) N/A 32.0 ppb (31) N/A N/A N/A 0.48 ppb (6) N/A N/A 58.0
 
Sept. 17, 2021, 3 p.m. 64.4 ppb (63) 33.1 ppb (32) N/A 31.0 ppb (30) N/A N/A N/A 0.48 ppb (6) N/A N/A 63.0
 
Sept. 17, 2021, 2 p.m. 65.0 ppb (63) 32.9 ppb (32) N/A 32.0 ppb (31) N/A N/A N/A 0.56 ppb (7) N/A N/A 63.0
 
Sept. 17, 2021, 1 p.m. 89.1 ppb (89) 52.6 ppb (50) N/A 37.0 ppb (35) N/A N/A N/A 0.62 ppb (7) N/A N/A 89.0
 
Sept. 17, 2021, noon 82.1 ppb (81) 46.0 ppb (44) N/A 36.0 ppb (34) N/A N/A N/A 0.62 ppb (7) N/A N/A 81.0
 
Sept. 17, 2021, 11 a.m. 42.6 ppb (41) 11.3 ppb (11) N/A 31.0 ppb (30) N/A N/A N/A 0.4 ppb (5) N/A N/A 41.0
 
Sept. 17, 2021, 10 a.m. 58.1 ppb (56) 21.5 ppb (21) N/A 37.0 ppb (35) N/A N/A N/A 0.45 ppb (6) N/A N/A 56.0
 
Sept. 17, 2021, 9 a.m. 58.0 ppb (56) 20.8 ppb (20) N/A 37.0 ppb (35) N/A N/A N/A 0.49 ppb (6) N/A N/A 56.0
 
Sept. 17, 2021, 8 a.m. 39.2 ppb (37) 8.2 ppb (8) N/A 31.0 ppb (30) N/A N/A N/A 0.4 ppb (5) N/A N/A 37.0
 
Sept. 17, 2021, 7 a.m. 46.9 ppb (45) 10.7 ppb (11) N/A 36.0 ppb (34) N/A N/A N/A 0.44 ppb (5) N/A N/A 45.0
 
Sept. 17, 2021, 6 a.m. 45.0 ppb (43) 11.2 ppb (11) N/A 34.0 ppb (33) N/A N/A N/A 0.45 ppb (6) N/A N/A 43.0
 
Sept. 17, 2021, 5 a.m. 52.7 ppb (50) 17.0 ppb (17) N/A 36.0 ppb (34) N/A N/A N/A 0.44 ppb (5) N/A N/A 50.0
 
Sept. 17, 2021, 4 a.m. 45.5 ppb (43) 12.3 ppb (12) N/A 33.0 ppb (32) N/A N/A N/A 0.42 ppb (5) N/A N/A 43.0
 
Sept. 17, 2021, 3 a.m. 49.5 ppb (47) 12.8 ppb (13) N/A 37.0 ppb (35) N/A N/A N/A 0.43 ppb (5) N/A N/A 47.0
 
Sept. 17, 2021, 2 a.m. 46.2 ppb (44) 9.5 ppb (9) N/A 37.0 ppb (35) N/A N/A N/A 0.43 ppb (5) N/A N/A 44.0
 
Sept. 17, 2021, 1 a.m. 46.4 ppb (44) 9.3 ppb (9) N/A 37.0 ppb (35) N/A N/A N/A 0.44 ppb (5) N/A N/A 44.0
 
Sept. 17, 2021, midnight 48.8 ppb (47) 10.4 ppb (10) N/A 39.0 ppb (37) N/A N/A N/A 0.45 ppb (6) N/A N/A 47.0
 
Sept. 16, 2021, 11 p.m. 41.0 ppb (39) 6.2 ppb (6) N/A 35.0 ppb (34) N/A N/A N/A 0.47 ppb (6) N/A N/A 39.0
 
Sept. 16, 2021, 10 p.m. 30.9 ppb (30) 3.7 ppb (4) N/A 27.0 ppb (26) N/A N/A N/A 0.41 ppb (5) N/A N/A 30.0
 
Sept. 16, 2021, 9 p.m. 35.2 ppb (34) 5.9 ppb (6) N/A 29.0 ppb (28) N/A N/A N/A 0.39 ppb (5) N/A N/A 34.0
 
Sept. 16, 2021, 8 p.m. 39.8 ppb (38) 8.5 ppb (9) N/A 31.0 ppb (30) N/A N/A N/A 0.37 ppb (5) N/A N/A 38.0
 
Sept. 16, 2021, 7 p.m. 55.1 ppb (53) 16.4 ppb (16) N/A 39.0 ppb (37) N/A N/A N/A 0.44 ppb (5) N/A N/A 53.0
 
Sept. 16, 2021, 6 p.m. 54.2 ppb (52) 20.3 ppb (20) N/A 34.0 ppb (33) N/A N/A N/A 0.46 ppb (6) N/A N/A 52.0
 
Sept. 16, 2021, 5 p.m. 64.0 ppb (62) 29.2 ppb (28) N/A 35.0 ppb (34) N/A N/A N/A 0.46 ppb (6) N/A N/A 62.0
 
Sept. 16, 2021, 4 p.m. 67.2 ppb (66) 33.3 ppb (32) N/A 34.0 ppb (33) N/A N/A N/A 0.48 ppb (6) N/A N/A 66.0
 
Sept. 16, 2021, 3 p.m. 74.5 ppb (73) 38.3 ppb (37) N/A 36.0 ppb (34) N/A N/A N/A 0.5 ppb (6) N/A N/A 73.0
 
Sept. 16, 2021, 2 p.m. 58.5 ppb (56) 25.1 ppb (24) N/A 34.0 ppb (33) N/A N/A N/A 0.48 ppb (6) N/A N/A 56.0
 
Sept. 16, 2021, 1 p.m. 54.7 ppb (52) 22.9 ppb (22) N/A 32.0 ppb (31) N/A N/A N/A 0.47 ppb (6) N/A N/A 52.0
 
Sept. 16, 2021, noon 30.0 ppb (29) 6.0 ppb (6) N/A 24.0 ppb (23) N/A N/A N/A 0.4 ppb (5) N/A N/A 29.0
 
Sept. 16, 2021, 11 a.m. 62.6 ppb (61) 27.5 ppb (26) N/A 35.0 ppb (34) N/A N/A N/A 0.48 ppb (6) N/A N/A 61.0
 
Sept. 16, 2021, 10 a.m. 46.9 ppb (45) 15.0 ppb (15) N/A 32.0 ppb (31) N/A N/A N/A 0.45 ppb (6) N/A N/A 45.0
 
Sept. 16, 2021, 9 a.m. 45.6 ppb (44) 13.3 ppb (13) N/A 32.0 ppb (31) N/A N/A N/A 0.44 ppb (5) N/A N/A 44.0
 
Sept. 16, 2021, 8 a.m. 39.2 ppb (37) 8.0 ppb (8) N/A 31.0 ppb (30) N/A N/A N/A 0.45 ppb (6) N/A N/A 37.0
 
Sept. 16, 2021, 7 a.m. 43.8 ppb (42) 7.8 ppb (8) N/A 36.0 ppb (34) N/A N/A N/A 0.47 ppb (6) N/A N/A 42.0
 
Sept. 16, 2021, 6 a.m. 48.3 ppb (46) 11.7 ppb (12) N/A 37.0 ppb (35) N/A N/A N/A 0.49 ppb (6) N/A N/A 46.0
 
Sept. 16, 2021, 5 a.m. 51.1 ppb (49) 11.6 ppb (11) N/A 40.0 ppb (38) N/A N/A N/A 0.48 ppb (6) N/A N/A 49.0
 
Sept. 16, 2021, 4 a.m. 56.9 ppb (55) 14.9 ppb (15) N/A 42.0 ppb (40) N/A N/A N/A 0.48 ppb (6) N/A N/A 55.0
 
Sept. 16, 2021, 3 a.m. 52.7 ppb (50) 9.8 ppb (10) N/A 43.0 ppb (41) N/A N/A N/A 0.49 ppb (6) N/A N/A 50.0
 
Sept. 16, 2021, 2 a.m. 51.1 ppb (49) 7.9 ppb (8) N/A 43.0 ppb (41) N/A N/A N/A 0.5 ppb (6) N/A N/A 49.0
 
Sept. 16, 2021, 1 a.m. 46.3 ppb (44) 6.3 ppb (6) N/A 40.0 ppb (38) N/A N/A N/A 0.45 ppb (6) N/A N/A 44.0
 
Sept. 16, 2021, midnight 40.4 ppb (39) 7.5 ppb (8) N/A 33.0 ppb (32) N/A N/A N/A 0.37 ppb (5) N/A N/A 39.0
 
Sept. 15, 2021, 11 p.m. 40.6 ppb (39) 7.1 ppb (7) N/A 34.0 ppb (33) N/A N/A N/A 0.42 ppb (5) N/A N/A 39.0
 
Sept. 15, 2021, 10 p.m. 36.5 ppb (35) 5.1 ppb (5) N/A 31.0 ppb (30) N/A N/A N/A 0.44 ppb (5) N/A N/A 35.0
 
Sept. 15, 2021, 9 p.m. 39.0 ppb (37) 7.0 ppb (7) N/A 32.0 ppb (31) N/A N/A N/A 0.41 ppb (5) N/A N/A 37.0
 
Sept. 15, 2021, 8 p.m. 38.6 ppb (37) 8.3 ppb (8) N/A 30.0 ppb (29) N/A N/A N/A 0.37 ppb (5) N/A N/A 37.0
 
Sept. 15, 2021, 7 p.m. 59.9 ppb (58) 18.5 ppb (18) N/A 41.0 ppb (39) N/A N/A N/A 0.46 ppb (6) N/A N/A 58.0
 
Sept. 15, 2021, 6 p.m. 57.4 ppb (55) 19.9 ppb (19) N/A 38.0 ppb (36) N/A N/A N/A 0.47 ppb (6) N/A N/A 55.0
 
Sept. 15, 2021, 5 p.m. 81.7 ppb (81) 40.5 ppb (39) N/A 41.0 ppb (39) N/A N/A N/A 0.58 ppb (7) N/A N/A 81.0
 
Sept. 15, 2021, 4 p.m. 87.6 ppb (87) 50.4 ppb (48) N/A 38.0 ppb (36) N/A N/A N/A 0.62 ppb (7) N/A N/A 87.0
 
Sept. 15, 2021, 3 p.m. 103.6 ppb (102) 68.6 ppb (67) N/A 35.0 ppb (34) N/A N/A N/A 0.64 ppb (7) N/A N/A 102.0
 
Sept. 15, 2021, 2 p.m. 117.3 ppb (105) 83.2 ppb (83) N/A 34.0 ppb (33) N/A N/A N/A 0.67 ppb (8) N/A N/A 105.0
 
Sept. 15, 2021, 1 p.m. 105.4 ppb (102) 74.2 ppb (73) N/A 31.0 ppb (30) N/A N/A N/A 0.62 ppb (7) N/A N/A 102.0
 
Sept. 15, 2021, noon 91.0 ppb (91) 58.8 ppb (57) N/A 32.0 ppb (31) N/A N/A N/A 0.57 ppb (7) N/A N/A 91.0
 
Sept. 15, 2021, 11 a.m. 68.6 ppb (67) 35.6 ppb (34) N/A 33.0 ppb (32) N/A N/A N/A 0.45 ppb (6) N/A N/A 67.0
 
Sept. 15, 2021, 10 a.m. 60.2 ppb (58) 28.2 ppb (27) N/A 32.0 ppb (31) N/A N/A N/A 0.42 ppb (5) N/A N/A 58.0
 
Sept. 15, 2021, 9 a.m. 54.5 ppb (52) 20.7 ppb (20) N/A 34.0 ppb (33) N/A N/A N/A 0.43 ppb (5) N/A N/A 52.0
 
Sept. 15, 2021, 8 a.m. 52.3 ppb (50) 17.0 ppb (17) N/A 35.0 ppb (34) N/A N/A N/A 0.42 ppb (5) N/A N/A 50.0
 
Sept. 15, 2021, 7 a.m. 52.1 ppb (50) 17.5 ppb (17) N/A 35.0 ppb (34) N/A N/A N/A 0.4 ppb (5) N/A N/A 50.0
 
Sept. 15, 2021, 6 a.m. 46.6 ppb (44) 13.3 ppb (13) N/A 33.0 ppb (32) N/A N/A N/A 0.41 ppb (5) N/A N/A 44.0
 
Sept. 15, 2021, 5 a.m. 38.1 ppb (36) 8.1 ppb (8) N/A 30.0 ppb (29) N/A N/A N/A 0.38 ppb (5) N/A N/A 36.0
 
Sept. 15, 2021, 4 a.m. 55.9 ppb (54) 15.2 ppb (15) N/A 41.0 ppb (39) N/A N/A N/A 0.47 ppb (6) N/A N/A 54.0
 
Sept. 15, 2021, 3 a.m. 57.2 ppb (55) 15.3 ppb (15) N/A 42.0 ppb (40) N/A N/A N/A 0.45 ppb (6) N/A N/A 55.0
 
Sept. 15, 2021, 2 a.m. 57.4 ppb (55) 14.9 ppb (15) N/A 43.0 ppb (41) N/A N/A N/A 0.45 ppb (6) N/A N/A 55.0
 
Sept. 15, 2021, 1 a.m. 43.0 ppb (41) 7.1 ppb (7) N/A 36.0 ppb (34) N/A N/A N/A 0.41 ppb (5) N/A N/A 41.0
 
Sept. 15, 2021, midnight 39.4 ppb (38) 7.3 ppb (7) N/A 32.0 ppb (31) N/A N/A N/A 0.38 ppb (5) N/A N/A 38.0
 
Sept. 14, 2021, 11 p.m. 39.1 ppb (37) 6.4 ppb (7) N/A 33.0 ppb (32) N/A N/A N/A 0.42 ppb (5) N/A N/A 37.0
 
Sept. 14, 2021, 10 p.m. 35.0 ppb (34) 5.4 ppb (6) N/A 30.0 ppb (29) N/A N/A N/A 0.42 ppb (5) N/A N/A 34.0
 
Sept. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 14, 2021, 4 p.m. 115.5 ppb (104) 65.5 ppb (64) N/A 50.0 ppb (48) N/A N/A N/A 0.65 ppb (8) N/A N/A 104.0
 
Sept. 14, 2021, 3 p.m. 139.3 ppb (109) 92.2 ppb (92) N/A 48.0 ppb (46) N/A N/A N/A 0.78 ppb (10) N/A N/A 109.0
 
Sept. 14, 2021, 2 p.m. 156.9 ppb (112) 110.8 ppb (103) N/A 47.0 ppb (45) N/A N/A N/A 0.78 ppb (10) N/A N/A 112.0
 
Sept. 14, 2021, 1 p.m. 156.2 ppb (112) 109.7 ppb (103) N/A 47.0 ppb (45) N/A N/A N/A 0.71 ppb (8) N/A N/A 112.0
 
Sept. 14, 2021, noon 134.3 ppb (108) 87.8 ppb (88) N/A 47.0 ppb (45) N/A N/A N/A 0.58 ppb (7) N/A N/A 108.0
 
Sept. 14, 2021, 11 a.m. 125.9 ppb (106) 79.2 ppb (78) N/A 47.0 ppb (45) N/A N/A N/A 0.62 ppb (7) N/A N/A 106.0
 
Sept. 14, 2021, 10 a.m. 80.0 ppb (79) 38.9 ppb (37) N/A 41.0 ppb (39) N/A N/A N/A 0.55 ppb (7) N/A N/A 79.0
 
Sept. 14, 2021, 9 a.m. 72.0 ppb (71) 25.2 ppb (24) N/A 47.0 ppb (45) N/A N/A N/A 0.45 ppb (6) N/A N/A 71.0
 
Sept. 14, 2021, 8 a.m. 70.0 ppb (69) 21.5 ppb (21) N/A 49.0 ppb (47) N/A N/A N/A 0.46 ppb (6) N/A N/A 69.0
 
Sept. 14, 2021, 7 a.m. 64.5 ppb (63) 17.2 ppb (17) N/A 47.0 ppb (45) N/A N/A N/A 0.48 ppb (6) N/A N/A 63.0