ID: 2783

AQSQID: 060710026

Site Name: Ontario Near Road

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

Updated: May 21, 2022, 3:32 a.m.

Location: Ontario (Fontana Gateway), CA

Reporting: True, Located: True

Current AQI: 8.0

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
May 12, 2022, 7 p.m. 7.3 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (3) N/A N/A 7.0
 
May 12, 2022, 7 p.m. 7.3 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (3) N/A N/A 7.0
 
May 12, 2022, 6 p.m. 8.7 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (3) N/A N/A 9.0
 
May 12, 2022, 5 p.m. 16.9 ppb (16) 5.1 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.21 ppb (3) N/A N/A 16.0
 
May 12, 2022, 5 p.m. 16.9 ppb (16) 5.1 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.21 ppb (3) N/A N/A 16.0
 
May 12, 2022, 4 p.m. 28.7 ppb (28) 12.4 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.23 ppb (3) N/A N/A 28.0
 
May 12, 2022, 4 p.m. 28.7 ppb (28) 12.4 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.23 ppb (3) N/A N/A 28.0
 
May 12, 2022, 3 p.m. 71.9 ppb (71) 35.6 ppb (34) N/A 37.0 ppb (35) N/A N/A N/A 0.47 ppb (6) N/A N/A 71.0
 
May 12, 2022, 3 p.m. 71.9 ppb (71) 35.6 ppb (34) N/A 37.0 ppb (35) N/A N/A N/A 0.47 ppb (6) N/A N/A 71.0
 
May 12, 2022, 2 p.m. 110.3 ppb (103) 68.9 ppb (67) N/A 42.0 ppb (40) N/A N/A N/A 0.53 ppb (6) N/A N/A 103.0
 
May 12, 2022, 2 p.m. 110.3 ppb (103) 68.9 ppb (67) N/A 42.0 ppb (40) N/A N/A N/A 0.53 ppb (6) N/A N/A 103.0
 
May 12, 2022, 1 p.m. 117.1 ppb (105) 73.5 ppb (72) N/A 44.0 ppb (42) N/A N/A N/A 0.53 ppb (6) N/A N/A 105.0
 
May 12, 2022, noon 127.3 ppb (106) 81.5 ppb (81) N/A 46.0 ppb (44) N/A N/A N/A 0.55 ppb (7) N/A N/A 106.0
 
May 12, 2022, 9 a.m. 50.8 ppb (48) 15.6 ppb (15) N/A 35.0 ppb (34) N/A N/A N/A 0.31 ppb (4) N/A N/A 48.0
 
May 12, 2022, 8 a.m. 51.3 ppb (49) 19.2 ppb (19) N/A 32.0 ppb (31) N/A N/A N/A 0.29 ppb (4) N/A N/A 49.0
 
May 12, 2022, 3 a.m. 34.9 ppb (33) 12.3 ppb (12) N/A 23.0 ppb (22) N/A N/A N/A 0.29 ppb (4) N/A N/A 33.0
 
May 12, 2022, 1 a.m. 31.4 ppb (30) 12.4 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (4) N/A N/A 30.0
 
May 12, 2022, midnight 25.5 ppb (25) 9.6 ppb (10) N/A 16.0 ppb (16) N/A N/A N/A 0.26 ppb (4) N/A N/A 25.0
 
May 11, 2022, 11 p.m. 26.9 ppb (26) 11.7 ppb (12) N/A 15.0 ppb (15) N/A N/A N/A 0.27 ppb (4) N/A N/A 26.0
 
May 11, 2022, 10 p.m. 25.2 ppb (24) 10.7 ppb (11) N/A 15.0 ppb (15) N/A N/A N/A 0.25 ppb (3) N/A N/A 24.0
 
May 11, 2022, 9 p.m. 28.6 ppb (27) 12.1 ppb (12) N/A 17.0 ppb (17) N/A N/A N/A 0.24 ppb (3) N/A N/A 27.0
 
May 11, 2022, 8 p.m. 32.0 ppb (31) 14.6 ppb (14) N/A 17.0 ppb (17) N/A N/A N/A 0.22 ppb (3) N/A N/A 31.0
 
May 11, 2022, 7 p.m. 26.1 ppb (25) 11.8 ppb (12) N/A 15.0 ppb (15) N/A N/A N/A 0.21 ppb (3) N/A N/A 25.0
 
May 11, 2022, 6 p.m. 29.2 ppb (28) 13.4 ppb (13) N/A 16.0 ppb (16) N/A N/A N/A 0.2 ppb (3) N/A N/A 28.0
 
May 11, 2022, 5 p.m. 31.6 ppb (30) 16.3 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A 0.22 ppb (3) N/A N/A 30.0
 
May 11, 2022, 4 p.m. 38.3 ppb (37) 19.5 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.23 ppb (3) N/A N/A 37.0
 
May 11, 2022, 3 p.m. 71.9 ppb (71) 41.7 ppb (40) N/A 30.0 ppb (29) N/A N/A N/A 0.39 ppb (5) N/A N/A 71.0
 
May 11, 2022, 2 p.m. 93.0 ppb (93) 58.3 ppb (56) N/A 35.0 ppb (34) N/A N/A N/A 0.44 ppb (5) N/A N/A 93.0
 
May 11, 2022, 2 p.m. 93.0 ppb (93) 58.3 ppb (56) N/A 35.0 ppb (34) N/A N/A N/A 0.44 ppb (5) N/A N/A 93.0
 
May 11, 2022, 1 p.m. 99.1 ppb (100) 63.1 ppb (61) N/A 36.0 ppb (34) N/A N/A N/A 0.52 ppb (6) N/A N/A 100.0
 
May 11, 2022, 1 p.m. 99.1 ppb (100) 63.1 ppb (61) N/A 36.0 ppb (34) N/A N/A N/A 0.52 ppb (6) N/A N/A 100.0
 
May 11, 2022, 11 a.m. 68.3 ppb (67) 38.3 ppb (37) N/A 30.0 ppb (29) N/A N/A N/A 0.36 ppb (5) N/A N/A 67.0
 
May 11, 2022, 10 a.m. 40.2 ppb (38) 12.3 ppb (12) N/A 28.0 ppb (27) N/A N/A N/A 0.32 ppb (4) N/A N/A 38.0
 
May 11, 2022, 9 a.m. 18.2 ppb (18) 0.5 ppb (1) N/A 18.0 ppb (17) N/A N/A N/A 0.24 ppb (3) N/A N/A 18.0
 
May 11, 2022, 8 a.m. 30.9 ppb (30) 6.3 ppb (6) N/A 25.0 ppb (24) N/A N/A N/A 0.25 ppb (3) N/A N/A 30.0
 
May 11, 2022, 4 a.m. 48.3 ppb (46) 19.2 ppb (19) N/A 29.0 ppb (28) N/A N/A N/A 0.31 ppb (4) N/A N/A 46.0
 
May 11, 2022, 3 a.m. 31.8 ppb (30) 9.6 ppb (10) N/A 22.0 ppb (21) N/A N/A N/A 0.25 ppb (3) N/A N/A 30.0
 
May 11, 2022, 2 a.m. 30.9 ppb (30) 10.0 ppb (10) N/A 21.0 ppb (20) N/A N/A N/A 0.25 ppb (3) N/A N/A 30.0
 
May 11, 2022, midnight 29.2 ppb (28) 12.8 ppb (13) N/A 16.0 ppb (16) N/A N/A N/A 0.24 ppb (3) N/A N/A 28.0
 
May 10, 2022, 11 p.m. 27.0 ppb (26) 11.2 ppb (11) N/A 16.0 ppb (16) N/A N/A N/A 0.25 ppb (3) N/A N/A 26.0
 
May 10, 2022, 9 p.m. 30.4 ppb (29) 12.9 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.25 ppb (3) N/A N/A 29.0
 
May 10, 2022, 8 p.m. 38.5 ppb (37) 17.2 ppb (17) N/A 21.0 ppb (20) N/A N/A N/A 0.25 ppb (3) N/A N/A 37.0
 
May 10, 2022, 7 p.m. 33.3 ppb (32) 14.6 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.23 ppb (3) N/A N/A 32.0
 
May 10, 2022, 6 p.m. 29.3 ppb (28) 12.4 ppb (12) N/A 17.0 ppb (17) N/A N/A N/A 0.21 ppb (3) N/A N/A 28.0
 
May 10, 2022, 5 p.m. 38.1 ppb (36) 16.1 ppb (16) N/A 22.0 ppb (21) N/A N/A N/A 0.26 ppb (4) N/A N/A 36.0
 
May 10, 2022, 4 p.m. 42.1 ppb (40) 18.1 ppb (18) N/A 24.0 ppb (23) N/A N/A N/A 0.29 ppb (4) N/A N/A 40.0
 
May 10, 2022, 3 p.m. 60.6 ppb (59) 31.3 ppb (30) N/A 30.0 ppb (29) N/A N/A N/A 0.34 ppb (4) N/A N/A 59.0
 
May 10, 2022, 2 p.m. 111.7 ppb (104) 71.3 ppb (70) N/A 41.0 ppb (39) N/A N/A N/A 0.51 ppb (6) N/A N/A 104.0
 
May 10, 2022, 1 p.m. 91.4 ppb (91) 56.6 ppb (54) N/A 35.0 ppb (34) N/A N/A N/A 0.46 ppb (6) N/A N/A 91.0
 
May 10, 2022, noon 98.4 ppb (99) 60.1 ppb (58) N/A 39.0 ppb (37) N/A N/A N/A 0.45 ppb (6) N/A N/A 99.0
 
May 10, 2022, noon 98.4 ppb (99) 60.1 ppb (58) N/A 39.0 ppb (37) N/A N/A N/A 0.45 ppb (6) N/A N/A 99.0
 
May 10, 2022, 11 a.m. 88.5 ppb (88) 48.4 ppb (46) N/A 40.0 ppb (38) N/A N/A N/A 0.43 ppb (5) N/A N/A 88.0
 
May 10, 2022, 11 a.m. 88.5 ppb (88) 48.4 ppb (46) N/A 40.0 ppb (38) N/A N/A N/A 0.43 ppb (5) N/A N/A 88.0
 
May 10, 2022, 10 a.m. 104.8 ppb (102) 64.5 ppb (63) N/A 41.0 ppb (39) N/A N/A N/A 0.47 ppb (6) N/A N/A 102.0
 
May 10, 2022, 9 a.m. 29.5 ppb (28) 2.4 ppb (3) N/A 27.0 ppb (26) N/A N/A N/A 0.25 ppb (3) N/A N/A 28.0
 
May 10, 2022, 8 a.m. 23.6 ppb (23) 1.6 ppb (2) N/A 22.0 ppb (21) N/A N/A N/A 0.25 ppb (3) N/A N/A 23.0
 
May 10, 2022, 7 a.m. 37.2 ppb (36) 6.6 ppb (7) N/A 31.0 ppb (30) N/A N/A N/A 0.3 ppb (4) N/A N/A 36.0
 
May 10, 2022, 6 a.m. 45.1 ppb (43) 14.8 ppb (14) N/A 30.0 ppb (29) N/A N/A N/A 0.3 ppb (4) N/A N/A 43.0
 
May 10, 2022, 3 a.m. 36.9 ppb (35) 13.0 ppb (13) N/A 24.0 ppb (23) N/A N/A N/A 0.29 ppb (4) N/A N/A 35.0
 
May 10, 2022, 3 a.m. 36.9 ppb (35) 13.0 ppb (13) N/A 24.0 ppb (23) N/A N/A N/A 0.29 ppb (4) N/A N/A 35.0
 
May 10, 2022, 2 a.m. 41.6 ppb (40) 14.4 ppb (14) N/A 27.0 ppb (26) N/A N/A N/A 0.3 ppb (4) N/A N/A 40.0
 
May 10, 2022, 2 a.m. 41.6 ppb (40) 14.4 ppb (14) N/A 27.0 ppb (26) N/A N/A N/A 0.3 ppb (4) N/A N/A 40.0
 
May 10, 2022, 1 a.m. 29.4 ppb (28) 10.1 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (4) N/A N/A 28.0
 
May 10, 2022, 1 a.m. 29.4 ppb (28) 10.1 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (4) N/A N/A 28.0
 
May 10, 2022, midnight 27.6 ppb (27) 10.2 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.27 ppb (4) N/A N/A 27.0
 
May 10, 2022, midnight 27.6 ppb (27) 10.2 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.27 ppb (4) N/A N/A 27.0
 
May 9, 2022, 11 p.m. 25.5 ppb (25) 8.9 ppb (9) N/A 17.0 ppb (17) N/A N/A N/A 0.26 ppb (4) N/A N/A 25.0
 
May 9, 2022, 11 p.m. 25.5 ppb (25) 8.9 ppb (9) N/A 17.0 ppb (17) N/A N/A N/A 0.26 ppb (4) N/A N/A 25.0
 
May 9, 2022, 10 p.m. 33.0 ppb (32) 13.7 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A 0.26 ppb (4) N/A N/A 32.0
 
May 9, 2022, 9 p.m. 29.6 ppb (28) 11.8 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.25 ppb (3) N/A N/A 28.0
 
May 9, 2022, 9 p.m. 29.6 ppb (28) 11.8 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.25 ppb (3) N/A N/A 28.0
 
May 9, 2022, 6 p.m. 34.2 ppb (33) 15.1 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.23 ppb (3) N/A N/A 33.0
 
May 9, 2022, 1 p.m. 32.7 ppb (31) 10.4 ppb (10) N/A 22.0 ppb (21) N/A N/A N/A 0.24 ppb (3) N/A N/A 31.0
 
May 9, 2022, noon 40.7 ppb (39) 15.3 ppb (15) N/A 25.0 ppb (24) N/A N/A N/A 0.28 ppb (4) N/A N/A 39.0
 
May 9, 2022, 11 a.m. 10.3 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.16 ppb (3) N/A N/A 10.0
 
May 9, 2022, 10 a.m. 6.4 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.15 ppb (2) N/A N/A 7.0
 
May 9, 2022, 9 a.m. 3.8 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A N/A 4.0
 
May 9, 2022, 8 a.m. 4.3 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (3) N/A N/A 5.0
 
May 9, 2022, 7 a.m. 12.0 ppb (12) 1.8 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.19 ppb (3) N/A N/A 12.0
 
May 9, 2022, 2 a.m. 14.2 ppb (14) 5.1 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A N/A 14.0
 
May 9, 2022, 1 a.m. 15.2 ppb (15) 6.4 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A N/A 15.0
 
May 9, 2022, midnight 11.6 ppb (11) 4.7 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.27 ppb (4) N/A N/A 11.0
 
May 8, 2022, 11 p.m. 10.8 ppb (11) 3.6 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A N/A 11.0
 
May 8, 2022, 10 p.m. 12.1 ppb (12) 3.7 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A N/A 12.0
 
May 8, 2022, 4 p.m. 12.2 ppb (12) 5.2 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) N/A N/A 12.0
 
May 8, 2022, 4 p.m. 12.2 ppb (12) 5.2 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) N/A N/A 12.0
 
May 8, 2022, 3 p.m. 16.1 ppb (16) 7.1 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A N/A 16.0
 
May 8, 2022, 2 p.m. 15.9 ppb (15) 6.0 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) N/A N/A 15.0
 
May 8, 2022, noon 9.5 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.15 ppb (2) N/A N/A 9.0
 
May 8, 2022, noon 9.5 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.15 ppb (2) N/A N/A 9.0
 
May 8, 2022, 11 a.m. 13.0 ppb (13) 4.2 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.17 ppb (3) N/A N/A 13.0
 
May 8, 2022, 11 a.m. 13.0 ppb (13) 4.2 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.17 ppb (3) N/A N/A 13.0
 
May 8, 2022, 10 a.m. 15.9 ppb (15) 6.4 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A 0.18 ppb (3) N/A N/A 15.0
 
May 8, 2022, 8 a.m. 10.2 ppb (10) 3.5 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) N/A N/A 10.0
 
May 8, 2022, 7 a.m. 11.7 ppb (12) 3.7 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A N/A 12.0
 
May 8, 2022, 6 a.m. 16.6 ppb (16) 5.2 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) N/A N/A 16.0
 
May 8, 2022, 6 a.m. 16.6 ppb (16) 5.2 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) N/A N/A 16.0
 
May 8, 2022, 3 a.m. 14.2 ppb (14) 3.8 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A N/A 14.0
 
May 8, 2022, 2 a.m. 17.5 ppb (17) 6.6 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.31 ppb (4) N/A N/A 17.0
 
May 8, 2022, 1 a.m. 15.6 ppb (15) 5.9 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) N/A N/A 15.0
 
May 8, 2022, midnight 14.3 ppb (14) 5.0 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A 0.28 ppb (4) N/A N/A 14.0
 
May 7, 2022, 10 p.m. 15.2 ppb (15) 5.6 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A N/A 15.0
 
May 7, 2022, 9 p.m. 14.0 ppb (14) 3.9 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A N/A 14.0
 
May 7, 2022, 8 p.m. 9.8 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A N/A 10.0
 
May 7, 2022, 7 p.m. 14.9 ppb (15) 4.1 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.28 ppb (4) N/A N/A 15.0
 
May 7, 2022, 5 p.m. 31.5 ppb (30) 11.9 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.37 ppb (5) N/A N/A 30.0
 
May 7, 2022, 5 p.m. 31.5 ppb (30) 11.9 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.37 ppb (5) N/A N/A 30.0
 
May 7, 2022, 4 p.m. 32.4 ppb (31) 14.9 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.35 ppb (4) N/A N/A 31.0
 
May 7, 2022, 4 p.m. 32.4 ppb (31) 14.9 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.35 ppb (4) N/A N/A 31.0
 
May 7, 2022, 3 p.m. 38.7 ppb (37) 20.3 ppb (20) N/A 19.0 ppb (18) N/A N/A N/A 0.37 ppb (5) N/A N/A 37.0
 
May 7, 2022, 3 p.m. 38.7 ppb (37) 20.3 ppb (20) N/A 19.0 ppb (18) N/A N/A N/A 0.37 ppb (5) N/A N/A 37.0
 
May 7, 2022, 2 p.m. 48.5 ppb (46) 28.0 ppb (27) N/A 21.0 ppb (20) N/A N/A N/A 0.44 ppb (5) N/A N/A 46.0
 
May 7, 2022, 1 p.m. 53.6 ppb (51) 29.5 ppb (28) N/A 24.0 ppb (23) N/A N/A N/A 0.45 ppb (6) N/A N/A 51.0
 
May 7, 2022, noon 62.1 ppb (60) 32.7 ppb (31) N/A 30.0 ppb (29) N/A N/A N/A 0.44 ppb (5) N/A N/A 60.0
 
May 7, 2022, 11 a.m. 42.7 ppb (41) 16.3 ppb (16) N/A 26.0 ppb (25) N/A N/A N/A 0.35 ppb (4) N/A N/A 41.0
 
May 7, 2022, 7 a.m. 42.5 ppb (41) 13.4 ppb (13) N/A 29.0 ppb (28) N/A N/A N/A 0.38 ppb (5) N/A N/A 41.0
 
May 7, 2022, 6 a.m. 44.9 ppb (43) 12.3 ppb (12) N/A 33.0 ppb (32) N/A N/A N/A 0.45 ppb (6) N/A N/A 43.0
 
May 7, 2022, 6 a.m. 44.9 ppb (43) 12.3 ppb (12) N/A 33.0 ppb (32) N/A N/A N/A 0.45 ppb (6) N/A N/A 43.0
 
May 7, 2022, 5 a.m. 32.9 ppb (32) 6.2 ppb (6) N/A 27.0 ppb (26) N/A N/A N/A 0.41 ppb (5) N/A N/A 32.0
 
May 7, 2022, 4 a.m. 15.5 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) N/A N/A 15.0
 
May 7, 2022, 4 a.m. 15.5 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) N/A N/A 15.0
 
May 7, 2022, 3 a.m. 41.6 ppb (40) 8.5 ppb (9) N/A 33.0 ppb (32) N/A N/A N/A 0.34 ppb (4) N/A N/A 40.0
 
May 7, 2022, 2 a.m. 35.9 ppb (34) 8.6 ppb (9) N/A 27.0 ppb (26) N/A N/A N/A 0.41 ppb (5) N/A N/A 34.0
 
May 6, 2022, 8 p.m. 40.2 ppb (38) 12.7 ppb (12) N/A 28.0 ppb (27) N/A N/A N/A 0.3 ppb (4) N/A N/A 38.0
 
May 6, 2022, 6 p.m. 44.6 ppb (43) 13.2 ppb (13) N/A 32.0 ppb (31) N/A N/A N/A 0.3 ppb (4) N/A N/A 43.0
 
May 6, 2022, 6 p.m. 44.6 ppb (43) 13.2 ppb (13) N/A 32.0 ppb (31) N/A N/A N/A 0.3 ppb (4) N/A N/A 43.0
 
May 6, 2022, 5 p.m. 76.3 ppb (75) 28.5 ppb (27) N/A 48.0 ppb (46) N/A N/A N/A 0.46 ppb (6) N/A N/A 75.0
 
May 6, 2022, 4 p.m. 98.1 ppb (98) 47.5 ppb (45) N/A 51.0 ppb (49) N/A N/A N/A 0.53 ppb (6) N/A N/A 98.0
 
May 6, 2022, 3 p.m. 74.5 ppb (73) 34.3 ppb (33) N/A 40.0 ppb (38) N/A N/A N/A 0.49 ppb (6) N/A N/A 73.0
 
May 6, 2022, 5 a.m. 62.9 ppb (61) 12.2 ppb (12) N/A 51.0 ppb (49) N/A N/A N/A 0.49 ppb (6) N/A N/A 61.0
 
May 6, 2022, 4 a.m. 54.8 ppb (52) 9.8 ppb (10) N/A 45.0 ppb (43) N/A N/A N/A 0.48 ppb (6) N/A N/A 52.0
 
May 6, 2022, 4 a.m. 54.8 ppb (52) 9.8 ppb (10) N/A 45.0 ppb (43) N/A N/A N/A 0.48 ppb (6) N/A N/A 52.0
 
May 6, 2022, 3 a.m. 51.4 ppb (49) 9.8 ppb (10) N/A 42.0 ppb (40) N/A N/A N/A 0.45 ppb (6) N/A N/A 49.0
 
May 6, 2022, 2 a.m. 51.6 ppb (49) 7.4 ppb (7) N/A 44.0 ppb (42) N/A N/A N/A 0.41 ppb (5) N/A N/A 49.0
 
May 6, 2022, 2 a.m. 51.6 ppb (49) 7.4 ppb (7) N/A 44.0 ppb (42) N/A N/A N/A 0.41 ppb (5) N/A N/A 49.0
 
May 6, 2022, 1 a.m. 45.4 ppb (43) 10.0 ppb (10) N/A 36.0 ppb (34) N/A N/A N/A 0.4 ppb (5) N/A N/A 43.0
 
May 6, 2022, midnight 29.3 ppb (28) 6.9 ppb (7) N/A 22.0 ppb (21) N/A N/A N/A 0.32 ppb (4) N/A N/A 28.0
 
May 6, 2022, midnight 29.3 ppb (28) 6.9 ppb (7) N/A 22.0 ppb (21) N/A N/A N/A 0.32 ppb (4) N/A N/A 28.0
 
May 5, 2022, 11 p.m. 24.2 ppb (23) 5.5 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A 0.27 ppb (4) N/A N/A 23.0
 
May 5, 2022, 11 p.m. 24.2 ppb (23) 5.5 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A 0.27 ppb (4) N/A N/A 23.0
 
May 5, 2022, 10 p.m. 26.5 ppb (25) 6.3 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A 0.29 ppb (4) N/A N/A 25.0
 
May 5, 2022, 9 p.m. 32.4 ppb (31) 7.7 ppb (8) N/A 25.0 ppb (24) N/A N/A N/A 0.32 ppb (4) N/A N/A 31.0
 
May 5, 2022, 7 p.m. 52.8 ppb (50) 16.2 ppb (16) N/A 37.0 ppb (35) N/A N/A N/A 0.39 ppb (5) N/A N/A 50.0
 
May 5, 2022, 7 p.m. 52.8 ppb (50) 16.2 ppb (16) N/A 37.0 ppb (35) N/A N/A N/A 0.39 ppb (5) N/A N/A 50.0
 
May 5, 2022, 6 p.m. 51.8 ppb (49) 17.5 ppb (17) N/A 34.0 ppb (33) N/A N/A N/A 0.41 ppb (5) N/A N/A 49.0
 
May 5, 2022, 5 p.m. 62.9 ppb (61) 24.9 ppb (24) N/A 38.0 ppb (36) N/A N/A N/A 0.51 ppb (6) N/A N/A 61.0
 
May 5, 2022, 4 p.m. 57.7 ppb (55) 24.8 ppb (24) N/A 33.0 ppb (32) N/A N/A N/A 0.51 ppb (6) N/A N/A 55.0
 
May 5, 2022, 3 p.m. 75.9 ppb (75) 41.7 ppb (40) N/A 34.0 ppb (33) N/A N/A N/A 0.59 ppb (7) N/A N/A 75.0
 
May 5, 2022, 2 p.m. 85.7 ppb (85) 52.6 ppb (50) N/A 33.0 ppb (32) N/A N/A N/A 0.58 ppb (7) N/A N/A 85.0
 
May 5, 2022, 6 a.m. 64.5 ppb (63) 14.1 ppb (14) N/A 51.0 ppb (49) N/A N/A N/A 0.46 ppb (6) N/A N/A 63.0
 
May 5, 2022, 6 a.m. 64.5 ppb (63) 14.1 ppb (14) N/A 51.0 ppb (49) N/A N/A N/A 0.46 ppb (6) N/A N/A 63.0
 
May 5, 2022, 5 a.m. 49.4 ppb (47) 7.3 ppb (7) N/A 42.0 ppb (40) N/A N/A N/A 0.43 ppb (5) N/A N/A 47.0
 
May 5, 2022, 4 a.m. 41.4 ppb (40) 7.1 ppb (7) N/A 34.0 ppb (33) N/A N/A N/A 0.45 ppb (6) N/A N/A 40.0
 
May 5, 2022, 3 a.m. 43.6 ppb (42) 7.1 ppb (7) N/A 37.0 ppb (35) N/A N/A N/A 0.41 ppb (5) N/A N/A 42.0
 
May 5, 2022, 3 a.m. 43.6 ppb (42) 7.1 ppb (7) N/A 37.0 ppb (35) N/A N/A N/A 0.41 ppb (5) N/A N/A 42.0
 
May 5, 2022, 3 a.m. 43.6 ppb (42) 7.1 ppb (7) N/A 37.0 ppb (35) N/A N/A N/A 0.41 ppb (5) N/A N/A 42.0
 
May 5, 2022, 2 a.m. 46.3 ppb (44) 6.3 ppb (6) N/A 40.0 ppb (38) N/A N/A N/A 0.46 ppb (6) N/A N/A 44.0
 
May 5, 2022, 2 a.m. 46.3 ppb (44) 6.3 ppb (6) N/A 40.0 ppb (38) N/A N/A N/A 0.46 ppb (6) N/A N/A 44.0
 
May 5, 2022, 1 a.m. 34.6 ppb (33) 5.2 ppb (5) N/A 30.0 ppb (29) N/A N/A N/A 0.38 ppb (5) N/A N/A 33.0
 
May 5, 2022, 1 a.m. 34.6 ppb (33) 5.2 ppb (5) N/A 30.0 ppb (29) N/A N/A N/A 0.38 ppb (5) N/A N/A 33.0
 
May 4, 2022, 11 p.m. 24.6 ppb (24) 5.0 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.29 ppb (4) N/A N/A 24.0
 
May 4, 2022, 10 p.m. 29.6 ppb (28) 8.6 ppb (9) N/A 21.0 ppb (20) N/A N/A N/A 0.27 ppb (4) N/A N/A 28.0
 
May 4, 2022, 1 p.m. 122.1 ppb (105) 85.7 ppb (85) N/A 37.0 ppb (35) N/A N/A N/A 0.64 ppb (7) N/A N/A 105.0
 
May 4, 2022, noon 100.4 ppb (101) 60.7 ppb (59) N/A 40.0 ppb (38) N/A N/A N/A 0.54 ppb (6) N/A N/A 101.0
 
May 4, 2022, 11 a.m. 50.0 ppb (48) 20.0 ppb (19) N/A 30.0 ppb (29) N/A N/A N/A 0.38 ppb (5) N/A N/A 48.0
 
May 4, 2022, 11 a.m. 50.0 ppb (48) 20.0 ppb (19) N/A 30.0 ppb (29) N/A N/A N/A 0.38 ppb (5) N/A N/A 48.0
 
May 4, 2022, 10 a.m. 42.4 ppb (40) 12.7 ppb (12) N/A 30.0 ppb (29) N/A N/A N/A 0.34 ppb (4) N/A N/A 40.0
 
May 4, 2022, 10 a.m. 42.4 ppb (40) 12.7 ppb (12) N/A 30.0 ppb (29) N/A N/A N/A 0.34 ppb (4) N/A N/A 40.0