ID: 195

AQSQID: 060712002

Site Name: Fontana - Arrow Highway

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

Updated: Jan. 21, 2021, 6:31 p.m.

Location: Fontana (W End), CA

Reporting: True, Located: True

Current AQI: 38.0

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
Jan. 21, 2021, 5 p.m. 39.5 ppb (38) 17.7 ppb (17) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 15.0 ppb (14) 0.21 ppb (3) N/A N/A 38.0
 
Jan. 21, 2021, 4 p.m. 54.4 ppb (52) 28.7 ppb (28) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 8.0 ppb (8) 0.4 ppb (5) N/A N/A 52.0
 
Jan. 21, 2021, 3 p.m. 92.3 ppb (92) 62.5 ppb (61) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 1.0 ppb (1) 0.69 ppb (8) N/A N/A 92.0
 
Jan. 21, 2021, 2 p.m. 57.7 ppb (55) 30.3 ppb (29) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 0.0 ppb (0) 0.48 ppb (6) N/A N/A 55.0
 
Jan. 21, 2021, 1 p.m. 65.7 ppb (64) 39.7 ppb (38) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 0.0 ppb (0) 0.4 ppb (5) N/A N/A 64.0
 
Jan. 21, 2021, noon 34.0 ppb (33) 9.2 ppb (9) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 1.0 ppb (1) 0.27 ppb (4) N/A N/A 33.0
 
Jan. 21, 2021, 11 a.m. 43.2 ppb (41) 16.4 ppb (16) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 0.0 ppb (0) 0.25 ppb (3) N/A N/A 41.0
 
Jan. 21, 2021, 10 a.m. 37.1 ppb (35) 10.7 ppb (11) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 0.0 ppb (0) 0.27 ppb (4) N/A N/A 35.0
 
Jan. 21, 2021, 9 a.m. 32.2 ppb (31) 6.6 ppb (7) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 1.0 ppb (1) 0.23 ppb (3) N/A N/A 31.0
 
Jan. 21, 2021, 8 a.m. 27.2 ppb (26) 3.8 ppb (4) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 3.0 ppb (3) 0.21 ppb (3) N/A N/A 26.0
 
Jan. 21, 2021, 7 a.m. 17.8 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (12) 0.16 ppb (3) N/A N/A 17.0
 
Jan. 21, 2021, 6 a.m. 26.4 ppb (25) 1.8 ppb (2) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 7.0 ppb (7) 0.23 ppb (3) N/A N/A 25.0
 
Jan. 21, 2021, 5 a.m. 4.6 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.05 ppb (2) N/A N/A 28.0
 
Jan. 21, 2021, 4 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.03 ppb (0) N/A N/A 31.0
 
Jan. 21, 2021, 3 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.03 ppb (0) N/A N/A 31.0
 
Jan. 21, 2021, 2 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.04 ppb (0) N/A N/A 30.0
 
Jan. 21, 2021, 1 a.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.05 ppb (2) N/A N/A 30.0
 
Jan. 21, 2021, midnight 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.06 ppb (2) N/A N/A 30.0
 
Jan. 20, 2021, 11 p.m. 3.3 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.04 ppb (0) N/A N/A 31.0
 
Jan. 20, 2021, 10 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.04 ppb (0) N/A N/A 32.0
 
Jan. 20, 2021, 9 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.04 ppb (0) N/A N/A 32.0
 
Jan. 20, 2021, 8 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.04 ppb (0) N/A N/A 32.0
 
Jan. 20, 2021, 7 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.04 ppb (0) N/A N/A 32.0
 
Jan. 20, 2021, 6 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.04 ppb (0) N/A N/A 31.0
 
Jan. 20, 2021, 5 p.m. 3.2 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.05 ppb (2) N/A N/A 31.0
 
Jan. 20, 2021, 4 p.m. 3.5 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.04 ppb (0) N/A N/A 30.0
 
Jan. 20, 2021, 3 p.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.04 ppb (0) N/A N/A 30.0
 
Jan. 20, 2021, 2 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.05 ppb (2) N/A N/A 30.0
 
Jan. 20, 2021, 1 p.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.05 ppb (2) N/A N/A 32.0
 
Jan. 20, 2021, noon 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.05 ppb (2) N/A N/A 32.0
 
Jan. 20, 2021, 11 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.04 ppb (0) N/A N/A 33.0
 
Jan. 20, 2021, 10 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.05 ppb (2) N/A N/A 33.0
 
Jan. 20, 2021, 9 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.05 ppb (2) N/A N/A 33.0
 
Jan. 20, 2021, 8 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.04 ppb (0) N/A N/A 33.0
 
Jan. 20, 2021, 7 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.03 ppb (0) N/A N/A 34.0
 
Jan. 20, 2021, 6 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.04 ppb (0) N/A N/A 34.0
 
Jan. 20, 2021, 5 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.04 ppb (0) N/A N/A 33.0
 
Jan. 20, 2021, 4 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.04 ppb (0) N/A N/A 33.0
 
Jan. 20, 2021, 3 a.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.05 ppb (2) N/A N/A 33.0
 
Jan. 20, 2021, 2 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.06 ppb (2) N/A N/A 33.0
 
Jan. 20, 2021, 1 a.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.06 ppb (2) N/A N/A 32.0
 
Jan. 20, 2021, midnight 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.07 ppb (2) N/A N/A 32.0
 
Jan. 19, 2021, 11 p.m. 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.08 ppb (2) N/A N/A 31.0
 
Jan. 19, 2021, 10 p.m. 3.4 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.07 ppb (2) N/A N/A 33.0
 
Jan. 19, 2021, 9 p.m. 3.0 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.06 ppb (2) N/A N/A 34.0
 
Jan. 19, 2021, 8 p.m. 3.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.06 ppb (2) N/A N/A 33.0
 
Jan. 19, 2021, 7 p.m. 3.2 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.06 ppb (2) N/A N/A 33.0
 
Jan. 19, 2021, 6 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.07 ppb (2) N/A N/A 34.0
 
Jan. 19, 2021, 5 p.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.06 ppb (2) N/A N/A 35.0
 
Jan. 19, 2021, 4 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.07 ppb (2) N/A N/A 35.0
 
Jan. 19, 2021, 3 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 19, 2021, 2 p.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.05 ppb (2) N/A N/A 37.0
 
Jan. 19, 2021, 1 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.05 ppb (2) N/A N/A 37.0
 
Jan. 19, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.04 ppb (0) N/A N/A 37.0
 
Jan. 19, 2021, 11 a.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.05 ppb (2) N/A N/A 34.0
 
Jan. 19, 2021, 10 a.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.06 ppb (2) N/A N/A 33.0
 
Jan. 19, 2021, 9 a.m. 9.1 ppb (9) 2.8 ppb (3) N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.06 ppb (2) N/A N/A 32.0
 
Jan. 19, 2021, 8 a.m. 83.6 ppb (83) 38.0 ppb (36) N/A 46.0 ppb (44) N/A 1.0 ppb (2) 1.0 ppb (1) 0.56 ppb (7) N/A N/A 83.0
 
Jan. 19, 2021, 7 a.m. 74.9 ppb (74) 28.6 ppb (27) N/A 46.0 ppb (44) N/A 1.0 ppb (2) 0.0 ppb (0) 0.64 ppb (7) N/A N/A 74.0
 
Jan. 19, 2021, 6 a.m. 62.1 ppb (60) 15.1 ppb (15) N/A 47.0 ppb (45) N/A 1.0 ppb (2) 1.0 ppb (1) 0.67 ppb (8) N/A N/A 60.0
 
Jan. 19, 2021, 5 a.m. 52.0 ppb (50) 4.9 ppb (5) N/A 47.0 ppb (45) N/A 1.0 ppb (2) 2.0 ppb (2) 0.55 ppb (7) N/A N/A 50.0
 
Jan. 19, 2021, 4 a.m. 50.2 ppb (48) 2.8 ppb (3) N/A 48.0 ppb (46) N/A 1.0 ppb (2) 6.0 ppb (6) 0.51 ppb (6) N/A N/A 48.0
 
Jan. 19, 2021, 3 a.m. 20.7 ppb (20) 0.8 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 25.0 ppb (24) 0.21 ppb (3) N/A N/A 24.0
 
Jan. 19, 2021, 2 a.m. 4.6 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 19, 2021, 1 a.m. 4.9 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.06 ppb (2) N/A N/A 35.0
 
Jan. 19, 2021, midnight 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.06 ppb (2) N/A N/A 35.0
 
Jan. 18, 2021, 11 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.06 ppb (2) N/A N/A 35.0
 
Jan. 18, 2021, 10 p.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.06 ppb (2) N/A N/A 35.0
 
Jan. 18, 2021, 9 p.m. 3.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.06 ppb (2) N/A N/A 35.0
 
Jan. 18, 2021, 8 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.07 ppb (2) N/A N/A 34.0
 
Jan. 18, 2021, 7 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.06 ppb (2) N/A N/A 33.0
 
Jan. 18, 2021, 6 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.06 ppb (2) N/A N/A 33.0
 
Jan. 18, 2021, 5 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.05 ppb (2) N/A N/A 33.0
 
Jan. 18, 2021, 4 p.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.06 ppb (2) N/A N/A 32.0
 
Jan. 18, 2021, 3 p.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.06 ppb (2) N/A N/A 32.0
 
Jan. 18, 2021, 2 p.m. 21.6 ppb (21) 1.9 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 18.0 ppb (17) 0.21 ppb (3) N/A N/A 21.0
 
Jan. 18, 2021, 1 p.m. 48.0 ppb (46) 16.5 ppb (16) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 2.0 ppb (2) 0.32 ppb (4) N/A N/A 46.0
 
Jan. 18, 2021, noon 31.8 ppb (30) 4.0 ppb (4) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 4.0 ppb (4) 0.29 ppb (4) N/A N/A 30.0
 
Jan. 18, 2021, 11 a.m. 31.4 ppb (30) 4.7 ppb (5) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 3.0 ppb (3) 0.29 ppb (4) N/A N/A 30.0
 
Jan. 18, 2021, 10 a.m. 26.7 ppb (26) 2.5 ppb (3) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 6.0 ppb (6) 0.38 ppb (5) N/A N/A 26.0
 
Jan. 18, 2021, 9 a.m. 29.8 ppb (29) 2.6 ppb (3) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 7.0 ppb (7) 0.43 ppb (5) N/A N/A 29.0
 
Jan. 18, 2021, 8 a.m. 31.2 ppb (30) 1.9 ppb (2) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 6.0 ppb (6) 0.58 ppb (7) N/A N/A 30.0
 
Jan. 18, 2021, 7 a.m. 43.6 ppb (42) 8.3 ppb (8) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.68 ppb (8) N/A N/A 42.0
 
Jan. 18, 2021, 6 a.m. 44.3 ppb (42) 8.4 ppb (8) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.79 ppb (10) N/A N/A 42.0
 
Jan. 18, 2021, 5 a.m. 54.6 ppb (52) 16.3 ppb (16) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.75 ppb (10) N/A N/A 52.0
 
Jan. 18, 2021, 4 a.m. 45.2 ppb (43) 9.2 ppb (9) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 3.0 ppb (3) 0.75 ppb (10) N/A N/A 43.0
 
Jan. 18, 2021, 3 a.m. 27.7 ppb (27) 3.2 ppb (4) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 14.0 ppb (13) 0.44 ppb (5) N/A N/A 27.0
 
Jan. 18, 2021, 2 a.m. 14.9 ppb (15) 0.9 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A N/A 24.0
 
Jan. 18, 2021, 1 a.m. 6.3 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 36.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
Jan. 18, 2021, midnight 4.5 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) N/A N/A 36.0
 
Jan. 17, 2021, 11 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 46.0 ppb (43) 0.17 ppb (3) N/A N/A 43.0
 
Jan. 17, 2021, 10 p.m. 7.9 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) 0.14 ppb (2) N/A N/A 44.0
 
Jan. 17, 2021, 9 p.m. 6.5 ppb (7) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 47.0 ppb (44) 0.19 ppb (3) N/A N/A 44.0
 
Jan. 17, 2021, 8 p.m. 6.4 ppb (7) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 45.0 ppb (42) 0.14 ppb (2) N/A N/A 42.0
 
Jan. 17, 2021, 7 p.m. 7.8 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 42.0 ppb (39) 0.12 ppb (2) N/A N/A 39.0
 
Jan. 17, 2021, 6 p.m. 7.5 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 38.0 ppb (36) 0.15 ppb (2) N/A N/A 36.0
 
Jan. 17, 2021, 5 p.m. 10.5 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 34.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
Jan. 17, 2021, 4 p.m. 7.1 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) 0.12 ppb (2) N/A N/A 32.0
 
Jan. 17, 2021, 3 p.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) N/A N/A 34.0
 
Jan. 17, 2021, 2 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 41.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 1 p.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) 0.05 ppb (2) N/A N/A 39.0
 
Jan. 17, 2021, noon 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 11 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 10 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 9 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 8 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 7 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 6 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.06 ppb (2) N/A N/A 38.0
 
Jan. 17, 2021, 5 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.06 ppb (2) N/A N/A 36.0
 
Jan. 17, 2021, 4 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.07 ppb (2) N/A N/A 35.0
 
Jan. 17, 2021, 3 a.m. 2.8 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.05 ppb (2) N/A N/A 35.0
 
Jan. 17, 2021, 2 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.05 ppb (2) N/A N/A 35.0
 
Jan. 17, 2021, 1 a.m. 2.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.04 ppb (0) N/A N/A 35.0
 
Jan. 17, 2021, midnight 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.05 ppb (2) N/A N/A 35.0
 
Jan. 16, 2021, 11 p.m. 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 16, 2021, 10 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.06 ppb (2) N/A N/A 36.0
 
Jan. 16, 2021, 9 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.06 ppb (2) N/A N/A 36.0
 
Jan. 16, 2021, 8 p.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 16, 2021, 7 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 16, 2021, 6 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 16, 2021, 5 p.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 16, 2021, 4 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) 0.04 ppb (0) N/A N/A 36.0
 
Jan. 16, 2021, 3 p.m. 17.7 ppb (17) 1.9 ppb (2) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 22.0 ppb (21) 0.16 ppb (3) N/A N/A 21.0
 
Jan. 16, 2021, 2 p.m. 39.9 ppb (38) 8.9 ppb (9) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 4.0 ppb (4) 0.31 ppb (4) N/A N/A 38.0
 
Jan. 16, 2021, 1 p.m. 36.8 ppb (35) 12.5 ppb (12) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 7.0 ppb (7) 0.21 ppb (3) N/A N/A 35.0
 
Jan. 16, 2021, noon 31.6 ppb (30) 4.6 ppb (5) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 4.0 ppb (4) 0.27 ppb (4) N/A N/A 30.0
 
Jan. 16, 2021, 11 a.m. 27.9 ppb (27) 3.5 ppb (4) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 7.0 ppb (7) 0.21 ppb (3) N/A N/A 27.0
 
Jan. 16, 2021, 10 a.m. 21.9 ppb (21) 0.9 ppb (1) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 12.0 ppb (12) 0.2 ppb (3) N/A N/A 21.0
 
Jan. 16, 2021, 9 a.m. 30.3 ppb (29) 1.8 ppb (2) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 6.0 ppb (6) 0.3 ppb (4) N/A N/A 29.0
 
Jan. 16, 2021, 8 a.m. 47.1 ppb (45) 11.6 ppb (11) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.5 ppb (6) N/A N/A 45.0
 
Jan. 16, 2021, 7 a.m. 48.9 ppb (47) 11.3 ppb (11) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.57 ppb (7) N/A N/A 47.0
 
Jan. 16, 2021, 6 a.m. 58.7 ppb (57) 18.6 ppb (18) N/A 40.0 ppb (38) N/A 1.0 ppb (2) 0.0 ppb (0) 0.65 ppb (8) N/A N/A 57.0
 
Jan. 16, 2021, 5 a.m. 67.3 ppb (66) 26.1 ppb (25) N/A 41.0 ppb (39) N/A 1.0 ppb (2) 1.0 ppb (1) 0.81 ppb (10) N/A N/A 66.0
 
Jan. 16, 2021, 4 a.m. 67.8 ppb (66) 26.9 ppb (26) N/A 41.0 ppb (39) N/A 1.0 ppb (2) 1.0 ppb (1) 0.83 ppb (10) N/A N/A 66.0
 
Jan. 16, 2021, 3 a.m. 52.3 ppb (50) 11.4 ppb (11) N/A 41.0 ppb (39) N/A 1.0 ppb (2) 1.0 ppb (1) 0.64 ppb (7) N/A N/A 50.0
 
Jan. 16, 2021, 2 a.m. 51.1 ppb (49) 10.5 ppb (10) N/A 41.0 ppb (39) N/A 1.0 ppb (2) 2.0 ppb (2) 0.6 ppb (7) N/A N/A 49.0
 
Jan. 16, 2021, 1 a.m. 28.5 ppb (27) 1.7 ppb (2) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 15.0 ppb (14) 0.43 ppb (5) N/A N/A 27.0
 
Jan. 16, 2021, midnight 17.4 ppb (17) 1.0 ppb (1) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 33.0 ppb (31) 0.2 ppb (3) N/A N/A 31.0
 
Jan. 15, 2021, 11 p.m. 17.3 ppb (17) 2.2 ppb (3) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 39.0 ppb (37) 0.17 ppb (3) N/A N/A 37.0
 
Jan. 15, 2021, 10 p.m. 15.1 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 40.0 ppb (38) 0.16 ppb (3) N/A N/A 38.0
 
Jan. 15, 2021, 9 p.m. 10.5 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 41.0 ppb (38) 0.12 ppb (2) N/A N/A 38.0
 
Jan. 15, 2021, 8 p.m. 7.1 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 41.0 ppb (38) 0.09 ppb (2) N/A N/A 38.0
 
Jan. 15, 2021, 7 p.m. 10.5 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 37.0 ppb (35) 0.11 ppb (2) N/A N/A 35.0
 
Jan. 15, 2021, 6 p.m. 6.3 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.08 ppb (2) N/A N/A 36.0
 
Jan. 15, 2021, 5 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.05 ppb (2) N/A N/A 38.0
 
Jan. 15, 2021, 4 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.04 ppb (0) N/A N/A 38.0
 
Jan. 15, 2021, 3 p.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.04 ppb (0) N/A N/A 37.0
 
Jan. 15, 2021, 2 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 15, 2021, 1 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0
 
Jan. 15, 2021, noon 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.05 ppb (2) N/A N/A 35.0
 
Jan. 15, 2021, 11 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.04 ppb (0) N/A N/A 35.0
 
Jan. 15, 2021, 10 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.04 ppb (0) N/A N/A 35.0
 
Jan. 15, 2021, 9 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.04 ppb (0) N/A N/A 35.0
 
Jan. 15, 2021, 8 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.04 ppb (0) N/A N/A 35.0
 
Jan. 15, 2021, 7 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.05 ppb (2) N/A N/A 35.0
 
Jan. 15, 2021, 6 a.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.05 ppb (2) N/A N/A 35.0
 
Jan. 15, 2021, 5 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.06 ppb (2) N/A N/A 34.0
 
Jan. 15, 2021, 4 a.m. 3.7 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.06 ppb (2) N/A N/A 34.0
 
Jan. 15, 2021, 3 a.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.07 ppb (2) N/A N/A 35.0
 
Jan. 15, 2021, 2 a.m. 4.0 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.08 ppb (2) N/A N/A 35.0
 
Jan. 15, 2021, 1 a.m. 4.6 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.07 ppb (2) N/A N/A 35.0
 
Jan. 15, 2021, midnight 4.7 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.08 ppb (2) N/A N/A 36.0
 
Jan. 14, 2021, 11 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.08 ppb (2) N/A N/A 38.0
 
Jan. 14, 2021, 10 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.07 ppb (2) N/A N/A 37.0
 
Jan. 14, 2021, 9 p.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.07 ppb (2) N/A N/A 37.0
 
Jan. 14, 2021, 8 p.m. 3.7 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.06 ppb (2) N/A N/A 36.0
 
Jan. 14, 2021, 7 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.04 ppb (0) N/A N/A 37.0
 
Jan. 14, 2021, 6 p.m. 3.2 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.05 ppb (2) N/A N/A 36.0