ID: 195

AQSQID: 060712002

Site Name: Fontana - Arrow Highway

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

Updated: July 28, 2021, 8:53 p.m.

Location: Fontana (W End), CA

Reporting: False, Located: True

Current AQI: None

Fontana (W End) CA, US: 34.100132, -117.491982

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 28, 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
July 28, 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
July 28, 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
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 28, 2021, 2 p.m. 97.2 ppb (98) 59.7 ppb (58) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 6.0 ppb (6) 0.44 ppb (5) N/A N/A 98.0
 
July 28, 2021, 1 p.m. 94.0 ppb (94) 65.3 ppb (64) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 4.0 ppb (4) 0.48 ppb (6) N/A N/A 94.0
 
July 28, 2021, noon 94.1 ppb (94) 64.1 ppb (62) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 4.0 ppb (4) 0.4 ppb (5) N/A N/A 94.0
 
July 28, 2021, 11 a.m. 91.9 ppb (92) 57.6 ppb (55) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 4.0 ppb (4) 0.34 ppb (4) N/A N/A 92.0
 
July 28, 2021, 10 a.m. 60.0 ppb (58) 27.7 ppb (27) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 4.0 ppb (4) 0.31 ppb (4) N/A N/A 58.0
 
July 28, 2021, 9 a.m. 54.0 ppb (51) 18.1 ppb (18) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) N/A N/A 51.0
 
July 28, 2021, 8 a.m. 51.9 ppb (49) 14.3 ppb (14) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 4.0 ppb (4) 0.35 ppb (4) N/A N/A 49.0
 
July 28, 2021, 7 a.m. 49.3 ppb (47) 12.0 ppb (12) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 5.0 ppb (5) 0.35 ppb (4) N/A N/A 47.0
 
July 28, 2021, 6 a.m. 34.6 ppb (33) 4.3 ppb (5) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 10.0 ppb (10) 0.27 ppb (4) N/A N/A 33.0
 
July 28, 2021, 5 a.m. 22.6 ppb (22) 1.2 ppb (2) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) N/A N/A 22.0
 
July 28, 2021, 4 a.m. 17.6 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) N/A N/A 29.0
 
July 28, 2021, 3 a.m. 12.8 ppb (13) 0.7 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 41.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
July 28, 2021, 2 a.m. 11.3 ppb (11) 0.9 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 47.0 ppb (44) 0.06 ppb (2) N/A N/A 44.0
 
July 28, 2021, 1 a.m. 11.3 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 57.0 ppb (58) 0.07 ppb (2) N/A N/A 58.0
 
July 28, 2021, midnight 11.8 ppb (12) 1.3 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 70.0 ppb (100) 0.07 ppb (2) N/A N/A 100.0
 
July 27, 2021, 11 p.m. 14.0 ppb (14) 1.6 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 84.0 ppb (108) 0.12 ppb (2) N/A N/A 108.0
 
July 27, 2021, 10 p.m. 14.2 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 93.0 ppb (113) 0.15 ppb (2) N/A N/A 113.0
 
July 27, 2021, 9 p.m. 18.7 ppb (18) 2.5 ppb (3) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 84.0 ppb (108) 0.19 ppb (3) N/A N/A 108.0
 
July 27, 2021, 8 p.m. 20.0 ppb (19) 3.0 ppb (3) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 79.0 ppb (106) 0.17 ppb (3) N/A N/A 106.0
 
July 27, 2021, 7 p.m. 26.4 ppb (25) 4.5 ppb (5) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 71.0 ppb (101) 0.22 ppb (3) N/A N/A 101.0
 
July 27, 2021, 6 p.m. 43.4 ppb (41) 10.5 ppb (10) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 46.0 ppb (43) 0.27 ppb (4) N/A N/A 43.0
 
July 27, 2021, 5 p.m. 58.5 ppb (56) 23.0 ppb (22) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 29.0 ppb (27) 0.3 ppb (4) N/A N/A 56.0
 
July 27, 2021, 4 p.m. 63.1 ppb (61) 29.0 ppb (28) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 18.0 ppb (17) 0.29 ppb (4) N/A N/A 61.0
 
July 27, 2021, 3 p.m. 70.6 ppb (69) 40.4 ppb (39) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 10.0 ppb (10) 0.31 ppb (4) N/A N/A 69.0
 
July 27, 2021, 2 p.m. 68.9 ppb (67) 41.5 ppb (40) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 6.0 ppb (6) 0.29 ppb (4) N/A N/A 67.0
 
July 27, 2021, 1 p.m. 72.8 ppb (72) 46.8 ppb (45) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 4.0 ppb (4) 0.28 ppb (4) N/A N/A 72.0
 
July 27, 2021, noon 58.6 ppb (56) 33.2 ppb (32) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 4.0 ppb (4) 0.25 ppb (3) N/A N/A 56.0
 
July 27, 2021, 11 a.m. 35.6 ppb (34) 11.6 ppb (11) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 4.0 ppb (4) 0.13 ppb (2) N/A N/A 34.0
 
July 27, 2021, 10 a.m. 30.9 ppb (30) 6.4 ppb (7) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 4.0 ppb (4) 0.12 ppb (2) N/A N/A 30.0
 
July 27, 2021, 9 a.m. 33.8 ppb (32) 6.8 ppb (7) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 5.0 ppb (5) 0.15 ppb (2) N/A N/A 32.0
 
July 27, 2021, 8 a.m. 37.6 ppb (36) 7.8 ppb (8) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 5.0 ppb (5) 0.13 ppb (2) N/A N/A 36.0
 
July 27, 2021, 7 a.m. 26.0 ppb (25) 2.9 ppb (3) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 11.0 ppb (11) 0.11 ppb (2) N/A N/A 25.0
 
July 27, 2021, 6 a.m. 26.0 ppb (25) 3.0 ppb (3) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 12.0 ppb (12) 0.11 ppb (2) N/A N/A 25.0
 
July 27, 2021, 5 a.m. 20.4 ppb (20) 2.0 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (18) 0.08 ppb (2) N/A N/A 20.0
 
July 27, 2021, 4 a.m. 15.9 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 25.0 ppb (24) 0.05 ppb (2) N/A N/A 24.0
 
July 27, 2021, 3 a.m. 19.4 ppb (19) 2.1 ppb (2) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 28.0 ppb (26) 0.04 ppb (0) N/A N/A 26.0
 
July 27, 2021, 2 a.m. 16.6 ppb (16) 1.8 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 41.0 ppb (38) 0.08 ppb (2) N/A N/A 38.0
 
July 27, 2021, 1 a.m. 16.1 ppb (16) 2.0 ppb (2) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 57.0 ppb (58) 0.12 ppb (2) N/A N/A 58.0
 
July 27, 2021, midnight 17.9 ppb (17) 2.8 ppb (3) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 62.0 ppb (74) 0.14 ppb (2) N/A N/A 74.0
 
July 26, 2021, 11 p.m. 18.2 ppb (18) 2.7 ppb (3) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 73.0 ppb (103) 0.17 ppb (3) N/A N/A 103.0
 
July 26, 2021, 10 p.m. 21.2 ppb (20) 4.0 ppb (4) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 66.0 ppb (87) 0.17 ppb (3) N/A N/A 87.0
 
July 26, 2021, 9 p.m. 18.2 ppb (18) 3.7 ppb (4) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 64.0 ppb (81) 0.11 ppb (2) N/A N/A 81.0
 
July 26, 2021, 8 p.m. 15.9 ppb (15) 3.7 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 53.0 ppb (50) 0.06 ppb (2) N/A N/A 50.0
 
July 26, 2021, 7 p.m. 21.9 ppb (21) 5.7 ppb (6) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 45.0 ppb (42) 0.1 ppb (2) N/A N/A 42.0
 
July 26, 2021, 6 p.m. 27.3 ppb (26) 9.2 ppb (9) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) N/A N/A 31.0
 
July 26, 2021, 5 p.m. 18.5 ppb (18) 4.6 ppb (5) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) N/A N/A 28.0
 
July 26, 2021, 4 p.m. 15.4 ppb (15) 3.8 ppb (4) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (21) 0.11 ppb (2) N/A N/A 21.0
 
July 26, 2021, 3 p.m. 20.9 ppb (20) 5.4 ppb (6) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 16.0 ppb (15) 0.13 ppb (2) N/A N/A 20.0
 
July 26, 2021, 2 p.m. 19.7 ppb (19) 3.7 ppb (4) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 10.0 ppb (10) 0.13 ppb (2) N/A N/A 19.0
 
July 26, 2021, 1 p.m. 23.9 ppb (23) 6.0 ppb (6) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (7) 0.13 ppb (2) N/A N/A 23.0
 
July 26, 2021, noon 24.4 ppb (24) 4.7 ppb (5) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 8.0 ppb (8) 0.15 ppb (2) N/A N/A 24.0
 
July 26, 2021, 11 a.m. 24.6 ppb (24) 3.1 ppb (3) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 7.0 ppb (7) 0.14 ppb (2) N/A N/A 24.0
 
July 26, 2021, 10 a.m. 22.8 ppb (22) 1.9 ppb (2) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 8.0 ppb (8) 0.14 ppb (2) N/A N/A 22.0
 
July 26, 2021, 9 a.m. 17.8 ppb (17) 1.4 ppb (2) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 14.0 ppb (13) 0.12 ppb (2) N/A N/A 17.0
 
July 26, 2021, 8 a.m. 12.6 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (18) 0.09 ppb (2) N/A N/A 18.0
 
July 26, 2021, 7 a.m. 14.2 ppb (14) 0.6 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 20.0 ppb (19) 0.13 ppb (2) N/A N/A 19.0
 
July 26, 2021, 6 a.m. 13.1 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) N/A N/A 23.0
 
July 26, 2021, 5 a.m. 10.7 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) N/A N/A 28.0
 
July 26, 2021, 4 a.m. 8.8 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) N/A N/A 32.0
 
July 26, 2021, 3 a.m. 6.0 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (39) 0.06 ppb (2) N/A N/A 39.0
 
July 26, 2021, 2 a.m. 5.4 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (42) 0.05 ppb (2) N/A N/A 42.0
 
July 26, 2021, 1 a.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (48) 0.04 ppb (0) N/A N/A 48.0
 
July 26, 2021, midnight 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (50) 0.03 ppb (0) N/A N/A 50.0
 
July 25, 2021, 11 p.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 60.0 ppb (68) 0.06 ppb (2) N/A N/A 68.0
 
July 25, 2021, 10 p.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 65.0 ppb (84) 0.08 ppb (2) N/A N/A 84.0
 
July 25, 2021, 9 p.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 69.0 ppb (97) 0.08 ppb (2) N/A N/A 97.0
 
July 25, 2021, 8 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 72.0 ppb (102) 0.08 ppb (2) N/A N/A 102.0
 
July 25, 2021, 7 p.m. 8.0 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 71.0 ppb (101) 0.12 ppb (2) N/A N/A 101.0
 
July 25, 2021, 6 p.m. 11.5 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 63.0 ppb (78) 0.15 ppb (2) N/A N/A 78.0
 
July 25, 2021, 5 p.m. 13.8 ppb (14) 2.8 ppb (3) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 48.0 ppb (45) 0.19 ppb (3) N/A N/A 45.0
 
July 25, 2021, 4 p.m. 20.4 ppb (20) 6.0 ppb (6) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 30.0 ppb (28) 0.21 ppb (3) N/A N/A 28.0
 
July 25, 2021, 3 p.m. 26.5 ppb (25) 9.8 ppb (10) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 18.0 ppb (17) 0.22 ppb (3) N/A N/A 25.0
 
July 25, 2021, 2 p.m. 22.9 ppb (22) 7.6 ppb (8) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 13.0 ppb (13) 0.17 ppb (3) N/A N/A 22.0
 
July 25, 2021, 1 p.m. 23.5 ppb (23) 4.9 ppb (5) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 7.0 ppb (7) 0.15 ppb (2) N/A N/A 23.0
 
July 25, 2021, noon 20.8 ppb (20) 2.1 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 6.0 ppb (6) 0.13 ppb (2) N/A N/A 20.0
 
July 25, 2021, 11 a.m. 18.4 ppb (18) 1.4 ppb (2) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (9) 0.12 ppb (2) N/A N/A 18.0
 
July 25, 2021, 10 a.m. 18.8 ppb (18) 1.3 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (10) 0.14 ppb (2) N/A N/A 18.0
 
July 25, 2021, 9 a.m. 17.7 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (12) 0.13 ppb (2) N/A N/A 17.0
 
July 25, 2021, 8 a.m. 16.7 ppb (16) 1.2 ppb (2) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 14.0 ppb (13) 0.12 ppb (2) N/A N/A 16.0
 
July 25, 2021, 7 a.m. 12.3 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (19) 0.12 ppb (2) N/A N/A 19.0
 
July 25, 2021, 6 a.m. 11.2 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) N/A N/A 21.0
 
July 25, 2021, 5 a.m. 10.6 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) N/A N/A 25.0
 
July 25, 2021, 4 a.m. 10.5 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) N/A N/A 28.0
 
July 25, 2021, 3 a.m. 10.3 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A N/A 35.0
 
July 25, 2021, 2 a.m. 8.9 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 46.0 ppb (43) 0.09 ppb (2) N/A N/A 43.0
 
July 25, 2021, 1 a.m. 7.5 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 57.0 ppb (58) 0.1 ppb (2) N/A N/A 58.0
 
July 25, 2021, midnight 6.8 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 67.0 ppb (91) 0.1 ppb (2) N/A N/A 91.0
 
July 24, 2021, 11 p.m. 6.2 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 82.0 ppb (107) 0.11 ppb (2) N/A N/A 107.0
 
July 24, 2021, 10 p.m. 6.8 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 77.0 ppb (105) 0.09 ppb (2) N/A N/A 105.0
 
July 24, 2021, 9 p.m. 7.6 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 78.0 ppb (105) 0.13 ppb (2) N/A N/A 105.0
 
July 24, 2021, 8 p.m. 9.5 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 72.0 ppb (102) 0.11 ppb (2) N/A N/A 102.0
 
July 24, 2021, 7 p.m. 18.8 ppb (18) 3.5 ppb (4) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 59.0 ppb (65) 0.17 ppb (3) N/A N/A 65.0
 
July 24, 2021, 6 p.m. 19.7 ppb (19) 4.3 ppb (5) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 48.0 ppb (45) 0.19 ppb (3) N/A N/A 45.0
 
July 24, 2021, 5 p.m. 25.4 ppb (24) 7.4 ppb (7) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) N/A N/A 32.0
 
July 24, 2021, 4 p.m. 41.7 ppb (40) 16.3 ppb (16) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 18.0 ppb (17) 0.28 ppb (4) N/A N/A 40.0
 
July 24, 2021, 3 p.m. 30.6 ppb (29) 10.3 ppb (10) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 15.0 ppb (14) 0.22 ppb (3) N/A N/A 29.0
 
July 24, 2021, 2 p.m. 32.5 ppb (31) 11.6 ppb (11) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 11.0 ppb (11) 0.23 ppb (3) N/A N/A 31.0
 
July 24, 2021, 1 p.m. 26.5 ppb (25) 8.2 ppb (8) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (7) 0.17 ppb (3) N/A N/A 25.0
 
July 24, 2021, noon 20.7 ppb (20) 2.0 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 8.0 ppb (8) 0.15 ppb (2) N/A N/A 20.0
 
July 24, 2021, 11 a.m. 19.5 ppb (19) 2.2 ppb (3) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (10) 0.12 ppb (2) N/A N/A 19.0
 
July 24, 2021, 10 a.m. 19.4 ppb (19) 1.5 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 11.0 ppb (11) 0.12 ppb (2) N/A N/A 19.0
 
July 24, 2021, 9 a.m. 16.8 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (14) 0.12 ppb (2) N/A N/A 16.0
 
July 24, 2021, 8 a.m. 19.6 ppb (19) 1.1 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (13) 0.13 ppb (2) N/A N/A 19.0
 
July 24, 2021, 7 a.m. 15.7 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (18) 0.11 ppb (2) N/A N/A 18.0
 
July 24, 2021, 6 a.m. 13.9 ppb (14) 0.6 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 23.0 ppb (22) 0.12 ppb (2) N/A N/A 22.0
 
July 24, 2021, 5 a.m. 11.8 ppb (12) 0.5 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (25) 0.09 ppb (2) N/A N/A 25.0
 
July 24, 2021, 4 a.m. 12.2 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 31.0 ppb (29) 0.11 ppb (2) N/A N/A 29.0
 
July 24, 2021, 3 a.m. 9.9 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 39.0 ppb (37) 0.09 ppb (2) N/A N/A 37.0
 
July 24, 2021, 2 a.m. 9.6 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 44.0 ppb (41) 0.07 ppb (2) N/A N/A 41.0
 
July 24, 2021, 1 a.m. 9.1 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 50.0 ppb (47) 0.06 ppb (2) N/A N/A 47.0
 
July 24, 2021, midnight 7.9 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 61.0 ppb (71) 0.07 ppb (2) N/A N/A 71.0
 
July 23, 2021, 11 p.m. 6.6 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 70.0 ppb (100) 0.08 ppb (2) N/A N/A 100.0
 
July 23, 2021, 10 p.m. 7.3 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 78.0 ppb (105) 0.09 ppb (2) N/A N/A 105.0
 
July 23, 2021, 9 p.m. 8.1 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 77.0 ppb (105) 0.09 ppb (2) N/A N/A 105.0
 
July 23, 2021, 8 p.m. 11.3 ppb (11) 1.4 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 71.0 ppb (101) 0.11 ppb (2) N/A N/A 101.0
 
July 23, 2021, 7 p.m. 16.8 ppb (16) 2.5 ppb (3) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 60.0 ppb (68) 0.14 ppb (2) N/A N/A 68.0
 
July 23, 2021, 6 p.m. 20.1 ppb (19) 4.1 ppb (4) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 54.0 ppb (50) 0.14 ppb (2) N/A N/A 50.0
 
July 23, 2021, 5 p.m. 39.3 ppb (38) 13.3 ppb (13) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) N/A N/A 38.0
 
July 23, 2021, 4 p.m. 50.6 ppb (48) 22.3 ppb (22) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 18.0 ppb (17) 0.25 ppb (3) N/A N/A 48.0
 
July 23, 2021, 3 p.m. 42.3 ppb (40) 19.9 ppb (19) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 14.0 ppb (13) 0.24 ppb (3) N/A N/A 40.0
 
July 23, 2021, 2 p.m. 51.3 ppb (49) 27.8 ppb (27) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 8.0 ppb (8) 0.26 ppb (4) N/A N/A 49.0
 
July 23, 2021, 1 p.m. 46.6 ppb (44) 25.8 ppb (25) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 4.0 ppb (4) 0.23 ppb (3) N/A N/A 44.0
 
July 23, 2021, noon 35.5 ppb (34) 14.4 ppb (14) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (4) 0.19 ppb (3) N/A N/A 34.0
 
July 23, 2021, 11 a.m. 28.5 ppb (27) 6.3 ppb (6) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 4.0 ppb (4) 0.11 ppb (2) N/A N/A 27.0
 
July 23, 2021, 10 a.m. 25.8 ppb (25) 3.9 ppb (4) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 5.0 ppb (5) 0.1 ppb (2) N/A N/A 25.0
 
July 23, 2021, 9 a.m. 20.0 ppb (19) 1.6 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (7) 0.1 ppb (2) N/A N/A 19.0
 
July 23, 2021, 8 a.m. 16.6 ppb (16) 1.1 ppb (2) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 10.0 ppb (10) 0.09 ppb (2) N/A N/A 16.0
 
July 23, 2021, 7 a.m. 13.9 ppb (14) 0.9 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 15.0 ppb (14) 0.07 ppb (2) N/A N/A 14.0
 
July 23, 2021, 6 a.m. 11.4 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (18) 0.08 ppb (2) N/A N/A 18.0
 
July 23, 2021, 5 a.m. 10.5 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (21) 0.08 ppb (2) N/A N/A 21.0
 
July 23, 2021, 4 a.m. 10.6 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.07 ppb (2) N/A N/A 24.0
 
July 23, 2021, 3 a.m. 11.3 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (28) 0.06 ppb (2) N/A N/A 28.0
 
July 23, 2021, 2 a.m. 10.7 ppb (11) 0.5 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 39.0 ppb (37) 0.07 ppb (2) N/A N/A 37.0
 
July 23, 2021, 1 a.m. 8.9 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 52.0 ppb (49) 0.07 ppb (2) N/A N/A 49.0
 
July 23, 2021, midnight 7.8 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 61.0 ppb (71) 0.07 ppb (2) N/A N/A 71.0
 
July 22, 2021, 11 p.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 65.0 ppb (84) 0.08 ppb (2) N/A N/A 84.0
 
July 22, 2021, 10 p.m. 9.4 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 69.0 ppb (97) 0.08 ppb (2) N/A N/A 97.0
 
July 22, 2021, 9 p.m. 8.0 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 82.0 ppb (107) 0.13 ppb (2) N/A N/A 107.0
 
July 22, 2021, 8 p.m. 9.4 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 77.0 ppb (105) 0.18 ppb (3) N/A N/A 105.0
 
July 22, 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
July 22, 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
July 22, 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
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 22, 2021, 1 p.m. 59.5 ppb (57) 31.4 ppb (30) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 5.0 ppb (5) 0.23 ppb (3) N/A N/A 57.0
 
July 22, 2021, noon 52.0 ppb (50) 23.0 ppb (22) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 4.0 ppb (4) 0.2 ppb (3) N/A N/A 50.0
 
July 22, 2021, 11 a.m. 33.2 ppb (32) 4.6 ppb (5) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 5.0 ppb (5) 0.14 ppb (2) N/A N/A 32.0
 
July 22, 2021, 10 a.m. 36.6 ppb (35) 6.3 ppb (6) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 4.0 ppb (4) 0.2 ppb (3) N/A N/A 35.0
 
July 22, 2021, 9 a.m. 34.8 ppb (33) 2.7 ppb (3) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 6.0 ppb (6) 0.21 ppb (3) N/A N/A 33.0
 
July 22, 2021, 8 a.m. 30.3 ppb (29) 1.1 ppb (2) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 9.0 ppb (9) 0.21 ppb (3) N/A N/A 29.0
 
July 22, 2021, 7 a.m. 23.6 ppb (23) 0.6 ppb (1) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 19.0 ppb (18) 0.17 ppb (3) N/A N/A 23.0
 
July 22, 2021, 6 a.m. 19.3 ppb (19) 0.4 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 24.0 ppb (23) 0.16 ppb (3) N/A N/A 23.0
 
July 22, 2021, 5 a.m. 17.4 ppb (17) 0.3 ppb (1) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 26.0 ppb (25) 0.15 ppb (2) N/A N/A 25.0
 
July 22, 2021, 4 a.m. 17.2 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 28.0 ppb (26) 0.13 ppb (2) N/A N/A 26.0
 
July 22, 2021, 3 a.m. 20.0 ppb (19) 0.5 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 30.0 ppb (28) 0.12 ppb (2) N/A N/A 28.0
 
July 22, 2021, 2 a.m. 15.7 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 47.0 ppb (44) 0.11 ppb (2) N/A N/A 44.0
 
July 22, 2021, 1 a.m. 14.0 ppb (14) 0.9 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 66.0 ppb (87) 0.14 ppb (2) N/A N/A 87.0
 
July 22, 2021, midnight 12.7 ppb (12) 1.1 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 75.0 ppb (104) 0.13 ppb (2) N/A N/A 104.0
 
July 21, 2021, 11 p.m. 8.9 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 92.0 ppb (113) 0.14 ppb (2) N/A N/A 113.0
 
July 21, 2021, 10 p.m. 9.5 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 94.0 ppb (114) 0.17 ppb (3) N/A N/A 114.0
 
July 21, 2021, 9 p.m. 10.1 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 92.0 ppb (113) 0.21 ppb (3) N/A N/A 113.0
 
July 21, 2021, 8 p.m. 13.8 ppb (14) 1.3 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 85.0 ppb (109) 0.26 ppb (4) N/A N/A 109.0