ID: 2009

AQSQID: 340410007

Site Name: Columbia

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

Updated: Oct. 23, 2020, 9:39 p.m.

Location: Knowlton (Delaware Rd), NJ

Reporting: True, Located: True

Current AQI: 21.0

Knowlton (Delaware Rd) NJ, US: 40.924606, -75.067825

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 23, 2020, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 23, 2020, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A N/A 20.0
 
Oct. 23, 2020, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 23, 2020, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 23, 2020, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A N/A 20.0
 
Oct. 23, 2020, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 23, 2020, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A N/A 18.0
 
Oct. 23, 2020, 1 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A N/A 15.0
 
Oct. 23, 2020, noon 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A N/A 14.0
 
Oct. 23, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A N/A 13.0
 
Oct. 23, 2020, 10 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A N/A 3.0
 
Oct. 23, 2020, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A N/A 14.0
 
Oct. 23, 2020, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (8) N/A N/A N/A 8.0
 
Oct. 23, 2020, 7 a.m. 10.0 ppb (10) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A N/A 10.0
 
Oct. 23, 2020, 6 a.m. 20.0 ppb (19) 13.0 ppb (13) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 9.8 μg/m3 (41) 41.0
 
Oct. 23, 2020, 5 a.m. 62.0 ppb (60) 54.0 ppb (51) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 60.0
 
Oct. 23, 2020, 4 a.m. 90.0 ppb (90) 78.0 ppb (77) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 8.7 μg/m3 (37) 90.0
 
Oct. 23, 2020, 3 a.m. 61.0 ppb (59) 52.0 ppb (50) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 8.4 μg/m3 (36) 59.0
 
Oct. 23, 2020, 2 a.m. 31.0 ppb (30) 24.0 ppb (23) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 9.8 μg/m3 (41) 41.0
 
Oct. 23, 2020, 1 a.m. 27.0 ppb (26) 19.0 ppb (18) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 11.4 μg/m3 (48) 48.0
 
Oct. 23, 2020, midnight 25.0 ppb (24) 18.0 ppb (17) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.7 μg/m3 (55) 55.0
 
Oct. 22, 2020, 11 p.m. 9.0 ppb (9) 5.0 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 12.5 μg/m3 (52) 52.0
 
Oct. 22, 2020, 10 p.m. 10.0 ppb (10) 2.0 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 9.8 μg/m3 (41) 41.0
 
Oct. 22, 2020, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A N/A 23.0
 
Oct. 22, 2020, 8 p.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 6.7 μg/m3 (28) 28.0
 
Oct. 22, 2020, 7 p.m. 8.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 8.6 μg/m3 (36) 36.0
 
Oct. 22, 2020, 6 p.m. 13.0 ppb (13) 6.0 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 22, 2020, 5 p.m. 27.0 ppb (26) 17.0 ppb (17) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 22, 2020, 4 p.m. 40.0 ppb (38) 28.0 ppb (27) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 8.7 μg/m3 (37) 38.0
 
Oct. 22, 2020, 3 p.m. 44.0 ppb (42) 31.0 ppb (30) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 7.6 μg/m3 (32) 42.0
 
Oct. 22, 2020, 2 p.m. 54.0 ppb (51) 41.0 ppb (39) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 5.9 μg/m3 (25) 51.0
 
Oct. 22, 2020, 1 p.m. 73.0 ppb (72) 56.0 ppb (54) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A N/A 72.0
 
Oct. 22, 2020, noon 70.0 ppb (69) 62.0 ppb (60) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.8 μg/m3 (33) 69.0
 
Oct. 22, 2020, 11 a.m. 85.0 ppb (85) 79.0 ppb (78) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 7.7 μg/m3 (33) 85.0
 
Oct. 22, 2020, 10 a.m. 86.0 ppb (86) 80.0 ppb (79) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 7.9 μg/m3 (33) 86.0
 
Oct. 22, 2020, 9 a.m. 98.0 ppb (98) 90.0 ppb (90) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 6.6 μg/m3 (28) 98.0
 
Oct. 22, 2020, 8 a.m. 71.0 ppb (70) 62.0 ppb (60) N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 70.0
 
Oct. 22, 2020, 7 a.m. 108.0 ppb (103) 101.0 ppb (101) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 2.7 μg/m3 (12) 103.0
 
Oct. 22, 2020, 6 a.m. 16.0 ppb (16) 12.0 ppb (12) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 2.6 μg/m3 (11) 16.0
 
Oct. 22, 2020, 5 a.m. 28.0 ppb (27) 21.0 ppb (20) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 27.0
 
Oct. 22, 2020, 4 a.m. 32.0 ppb (31) 26.0 ppb (25) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 5.4 μg/m3 (23) 31.0
 
Oct. 22, 2020, 3 a.m. 58.0 ppb (56) 53.0 ppb (50) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 5.9 μg/m3 (25) 56.0
 
Oct. 22, 2020, 2 a.m. 62.0 ppb (60) 57.0 ppb (55) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 5.7 μg/m3 (24) 60.0
 
Oct. 22, 2020, 1 a.m. 86.0 ppb (86) 77.0 ppb (76) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.8 μg/m3 (33) 86.0
 
Oct. 22, 2020, midnight 31.0 ppb (30) 26.0 ppb (25) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 10.2 μg/m3 (43) 43.0
 
Oct. 21, 2020, 11 p.m. 45.0 ppb (43) 38.0 ppb (36) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 9.7 μg/m3 (41) 43.0
 
Oct. 21, 2020, 10 p.m. 27.0 ppb (26) 18.0 ppb (17) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 5.1 μg/m3 (22) 26.0
 
Oct. 21, 2020, 9 p.m. 14.0 ppb (14) 5.0 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A N/A 14.0
 
Oct. 21, 2020, 8 p.m. 13.0 ppb (13) 5.0 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 3.1 μg/m3 (13) 13.0
 
Oct. 21, 2020, 7 p.m. 7.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 2.9 μg/m3 (13) 13.0
 
Oct. 21, 2020, 6 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 2.8 μg/m3 (12) 17.0
 
Oct. 21, 2020, 5 p.m. 7.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 2.5 μg/m3 (11) 16.0
 
Oct. 21, 2020, 4 p.m. 7.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 2.8 μg/m3 (12) 12.0
 
Oct. 21, 2020, 3 p.m. 16.0 ppb (16) 10.0 ppb (10) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 2.9 μg/m3 (13) 16.0
 
Oct. 21, 2020, 2 p.m. 36.0 ppb (34) 29.0 ppb (28) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 4.0 μg/m3 (17) 34.0
 
Oct. 21, 2020, 1 p.m. 71.0 ppb (70) 62.0 ppb (60) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 70.0
 
Oct. 21, 2020, noon 57.0 ppb (55) 51.0 ppb (49) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 6.8 μg/m3 (29) 55.0
 
Oct. 21, 2020, 11 a.m. 33.0 ppb (32) 29.0 ppb (28) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.1 μg/m3 (30) 32.0
 
Oct. 21, 2020, 10 a.m. 59.0 ppb (57) 55.0 ppb (53) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 7.3 μg/m3 (31) 57.0
 
Oct. 21, 2020, 9 a.m. 35.0 ppb (34) 30.0 ppb (29) N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) N/A N/A 5.9 μg/m3 (25) 34.0
 
Oct. 21, 2020, 8 a.m. 68.0 ppb (66) 61.0 ppb (59) N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 5.1 μg/m3 (22) 66.0
 
Oct. 21, 2020, 7 a.m. 67.0 ppb (65) 59.0 ppb (57) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.2 μg/m3 (31) 65.0
 
Oct. 21, 2020, 6 a.m. 107.0 ppb (103) 99.0 ppb (99) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 9.2 μg/m3 (39) 103.0
 
Oct. 21, 2020, 5 a.m. 175.0 ppb (115) 163.0 ppb (113) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A N/A 115.0
 
Oct. 21, 2020, 4 a.m. 143.0 ppb (109) 131.0 ppb (107) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 11.2 μg/m3 (47) 109.0
 
Oct. 21, 2020, 3 a.m. 158.0 ppb (112) 141.0 ppb (109) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 12.4 μg/m3 (52) 112.0
 
Oct. 21, 2020, 2 a.m. 112.0 ppb (104) 96.0 ppb (96) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.6 μg/m3 (55) 104.0
 
Oct. 21, 2020, 1 a.m. 92.0 ppb (92) 74.0 ppb (73) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 14.2 μg/m3 (56) 92.0
 
Oct. 21, 2020, midnight 73.0 ppb (72) 53.0 ppb (50) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.4 μg/m3 (54) 72.0
 
Oct. 20, 2020, 11 p.m. 51.0 ppb (49) 32.0 ppb (31) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 12.5 μg/m3 (52) 52.0
 
Oct. 20, 2020, 10 p.m. 28.0 ppb (27) 14.0 ppb (14) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 20, 2020, 9 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 20, 2020, 8 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.3 μg/m3 (27) 34.0
 
Oct. 20, 2020, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.6 μg/m3 (24) 35.0
 
Oct. 20, 2020, 6 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.3 μg/m3 (14) 31.0
 
Oct. 20, 2020, 5 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A -0.9 μg/m3 (0) 28.0
 
Oct. 20, 2020, 4 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A -3.3 μg/m3 (0) 25.0
 
Oct. 20, 2020, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A N/A 24.0
 
Oct. 20, 2020, 2 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
Oct. 20, 2020, 1 p.m. 9.0 ppb (9) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A N/A 16.0
 
Oct. 20, 2020, noon 13.0 ppb (13) 6.0 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2020, 11 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 20, 2020, 10 a.m. 39.0 ppb (37) 18.0 ppb (17) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A 4.4 μg/m3 (19) 37.0
 
Oct. 20, 2020, 9 a.m. 21.0 ppb (20) 6.0 ppb (6) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 2.5 μg/m3 (11) 20.0
 
Oct. 20, 2020, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) N/A N/A 2.6 μg/m3 (11) 13.0
 
Oct. 20, 2020, 7 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 1.7 μg/m3 (8) 20.0
 
Oct. 20, 2020, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.9 μg/m3 (8) 23.0
 
Oct. 20, 2020, 5 a.m. 9.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A N/A 23.0
 
Oct. 20, 2020, 4 a.m. 16.0 ppb (16) 7.0 ppb (7) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.8 μg/m3 (12) 21.0
 
Oct. 20, 2020, 3 a.m. 7.0 ppb (7) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
Oct. 20, 2020, 2 a.m. 9.0 ppb (9) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 5.3 μg/m3 (23) 25.0
 
Oct. 20, 2020, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.3 μg/m3 (23) 26.0
 
Oct. 20, 2020, midnight 11.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.1 μg/m3 (18) 23.0
 
Oct. 19, 2020, 11 p.m. 22.0 ppb (21) 5.0 ppb (5) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 3.8 μg/m3 (16) 21.0
 
Oct. 19, 2020, 10 p.m. 26.0 ppb (25) 10.0 ppb (10) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 3.9 μg/m3 (17) 25.0
 
Oct. 19, 2020, 9 p.m. 11.0 ppb (11) 2.0 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A N/A 23.0
 
Oct. 19, 2020, 8 p.m. 9.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
Oct. 19, 2020, 7 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 5.4 μg/m3 (23) 27.0
 
Oct. 19, 2020, 6 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.6 μg/m3 (16) 27.0
 
Oct. 19, 2020, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Oct. 19, 2020, 4 p.m. 7.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
Oct. 19, 2020, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A -0.2 μg/m3 (0) 24.0
 
Oct. 19, 2020, 2 p.m. 9.0 ppb (9) 4.0 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A -0.9 μg/m3 (0) 20.0
 
Oct. 19, 2020, 1 p.m. 30.0 ppb (29) 19.0 ppb (18) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A N/A 29.0
 
Oct. 19, 2020, noon 31.0 ppb (30) 21.0 ppb (20) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 4.2 μg/m3 (18) 30.0
 
Oct. 19, 2020, 11 a.m. 44.0 ppb (42) 33.0 ppb (32) N/A 11.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 4.9 μg/m3 (21) 42.0
 
Oct. 19, 2020, 10 a.m. 40.0 ppb (38) 29.0 ppb (28) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 4.9 μg/m3 (21) 38.0
 
Oct. 19, 2020, 9 a.m. 33.0 ppb (32) 22.0 ppb (21) N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) N/A N/A 4.5 μg/m3 (19) 32.0
 
Oct. 19, 2020, 8 a.m. 70.0 ppb (69) 54.0 ppb (51) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) N/A N/A 1.9 μg/m3 (8) 69.0
 
Oct. 19, 2020, 7 a.m. 61.0 ppb (59) 44.0 ppb (42) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A -0.4 μg/m3 (0) 59.0
 
Oct. 19, 2020, 6 a.m. 49.0 ppb (47) 33.0 ppb (32) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 2.2 μg/m3 (10) 47.0
 
Oct. 19, 2020, 5 a.m. 36.0 ppb (34) 18.0 ppb (17) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 34.0
 
Oct. 19, 2020, 4 a.m. 38.0 ppb (36) 19.0 ppb (18) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 2.7 μg/m3 (12) 36.0
 
Oct. 19, 2020, 3 a.m. 53.0 ppb (50) 29.0 ppb (28) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 2.8 μg/m3 (12) 50.0
 
Oct. 19, 2020, 2 a.m. 28.0 ppb (27) 15.0 ppb (15) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 2.9 μg/m3 (13) 27.0
 
Oct. 19, 2020, 1 a.m. 17.0 ppb (17) 8.0 ppb (8) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
Oct. 19, 2020, midnight 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.8 μg/m3 (20) 26.0
 
Oct. 18, 2020, 11 p.m. 9.0 ppb (9) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 18, 2020, 10 p.m. 11.0 ppb (11) 3.0 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 5.1 μg/m3 (22) 25.0
 
Oct. 18, 2020, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A N/A 31.0
 
Oct. 18, 2020, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 1.2 μg/m3 (5) 34.0
 
Oct. 18, 2020, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A -0.2 μg/m3 (0) 36.0
 
Oct. 18, 2020, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A -0.6 μg/m3 (0) 35.0
 
Oct. 18, 2020, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
Oct. 18, 2020, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.9 μg/m3 (13) 34.0
 
Oct. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 5.2 μg/m3 (22) 25.0
 
Oct. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A N/A 7.0
 
Oct. 18, 2020, noon 17.0 ppb (17) 15.0 ppb (15) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 18, 2020, 11 a.m. 26.0 ppb (25) 23.0 ppb (22) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 11.1 μg/m3 (47) 47.0
 
Oct. 18, 2020, 10 a.m. 27.0 ppb (26) 23.0 ppb (22) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A N/A 12.1 μg/m3 (51) 51.0
 
Oct. 18, 2020, 9 a.m. 36.0 ppb (34) 31.0 ppb (30) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 15.1 μg/m3 (58) 58.0
 
Oct. 18, 2020, 8 a.m. 41.0 ppb (39) 34.0 ppb (33) N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 16.4 μg/m3 (61) 61.0
 
Oct. 18, 2020, 7 a.m. 39.0 ppb (37) 32.0 ppb (31) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 15.9 μg/m3 (59) 59.0
 
Oct. 18, 2020, 6 a.m. 29.0 ppb (28) 22.0 ppb (21) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 15.2 μg/m3 (58) 58.0
 
Oct. 18, 2020, 5 a.m. 34.0 ppb (33) 24.0 ppb (23) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 33.0
 
Oct. 18, 2020, 4 a.m. 46.0 ppb (44) 34.0 ppb (33) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 12.7 μg/m3 (53) 53.0
 
Oct. 18, 2020, 3 a.m. 46.0 ppb (44) 32.0 ppb (31) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 10.6 μg/m3 (45) 45.0
 
Oct. 18, 2020, 2 a.m. 45.0 ppb (43) 28.0 ppb (27) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 10.1 μg/m3 (43) 43.0
 
Oct. 18, 2020, 1 a.m. 43.0 ppb (41) 25.0 ppb (24) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 9.9 μg/m3 (42) 42.0
 
Oct. 18, 2020, midnight 32.0 ppb (31) 13.0 ppb (13) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 9.4 μg/m3 (40) 40.0
 
Oct. 17, 2020, 11 p.m. 31.0 ppb (30) 13.0 ppb (13) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 17, 2020, 10 p.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 17, 2020, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 17, 2020, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 1.1 μg/m3 (5) 36.0
 
Oct. 17, 2020, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 0.1 μg/m3 (1) 34.0
 
Oct. 17, 2020, 6 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 0.2 μg/m3 (1) 32.0
 
Oct. 17, 2020, 5 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Oct. 17, 2020, 4 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Oct. 17, 2020, 3 p.m. 5.0 ppb (5) 3.0 ppb (3) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.5 μg/m3 (11) 26.0
 
Oct. 17, 2020, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.7 μg/m3 (8) 23.0
 
Oct. 17, 2020, 1 p.m. 10.0 ppb (10) 5.0 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A N/A 19.0
 
Oct. 17, 2020, noon 34.0 ppb (33) 20.0 ppb (19) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 4.9 μg/m3 (21) 33.0
 
Oct. 17, 2020, 11 a.m. 42.0 ppb (40) 27.0 ppb (26) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 6.3 μg/m3 (27) 40.0
 
Oct. 17, 2020, 10 a.m. 35.0 ppb (34) 20.0 ppb (19) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 6.1 μg/m3 (26) 34.0
 
Oct. 17, 2020, 9 a.m. 36.0 ppb (34) 21.0 ppb (20) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 6.0 μg/m3 (25) 34.0
 
Oct. 17, 2020, 8 a.m. 14.0 ppb (14) 5.0 ppb (5) N/A 8.0 ppb (8) N/A N/A 14.0 ppb (13) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 17, 2020, 7 a.m. 23.0 ppb (22) 13.0 ppb (13) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2020, 6 a.m. 20.0 ppb (19) 9.0 ppb (9) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 6.7 μg/m3 (28) 28.0
 
Oct. 17, 2020, 5 a.m. 29.0 ppb (28) 16.0 ppb (16) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A N/A 28.0
 
Oct. 17, 2020, 4 a.m. 7.0 ppb (7) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 8.9 μg/m3 (38) 38.0
 
Oct. 17, 2020, 3 a.m. 26.0 ppb (25) 15.0 ppb (15) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 8.3 μg/m3 (35) 35.0
 
Oct. 17, 2020, 2 a.m. 24.0 ppb (23) 12.0 ppb (12) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 17, 2020, 1 a.m. 35.0 ppb (34) 21.0 ppb (20) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 7.6 μg/m3 (32) 34.0
 
Oct. 17, 2020, midnight 56.0 ppb (54) 37.0 ppb (35) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 8.1 μg/m3 (34) 54.0
 
Oct. 16, 2020, 11 p.m. 34.0 ppb (33) 19.0 ppb (18) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 8.2 μg/m3 (35) 35.0
 
Oct. 16, 2020, 10 p.m. 39.0 ppb (37) 22.0 ppb (21) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 5.4 μg/m3 (23) 37.0
 
Oct. 16, 2020, 9 p.m. 37.0 ppb (35) 19.0 ppb (18) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A N/A 34.0