ID: 2020

AQSQID: 391030004

Site Name: Chippewa Lake

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

Updated: Aug. 4, 2020, 1:42 p.m.

Location: Medina (Ballash Rd), OH

Reporting: True, Located: True

Current AQI: 18.0

Medina (Ballash Rd) OH, US: 41.0604, -81.9239

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
July 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 0.2 μg/m3 (1) 15.0
 
July 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A -2.6 μg/m3 (0) 18.0
 
July 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A -1.9 μg/m3 (0) 22.0
 
July 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 1.7 μg/m3 (7) 24.0
 
July 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.7 μg/m3 (11) 21.0
 
July 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A -0.7 μg/m3 (0) 20.0
 
July 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A -2.9 μg/m3 (0) 17.0
 
July 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A -2.9 μg/m3 (0) 15.0
 
July 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A -0.9 μg/m3 (0) 18.0
 
July 28, 2020, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.2 μg/m3 (9) 18.0
 
July 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.5 μg/m3 (6) 19.0
 
July 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.2 μg/m3 (9) 23.0
 
July 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
July 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.4 μg/m3 (18) 29.0
 
July 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 6.2 μg/m3 (26) 32.0
 
July 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.9 μg/m3 (25) 27.0
 
July 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.6 μg/m3 (15) 27.0
 
July 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.5 μg/m3 (6) 25.0
 
July 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
July 27, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
July 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.2 μg/m3 (9) 30.0
 
July 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.1 μg/m3 (21) 32.0
 
July 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.4 μg/m3 (18) 33.0
 
July 27, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 3.5 μg/m3 (15) 36.0
 
July 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 5.2 μg/m3 (22) 42.0
 
July 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 6.8 μg/m3 (28) 45.0
 
July 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 3.5 μg/m3 (15) 45.0
 
July 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 4.7 μg/m3 (20) 45.0
 
July 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 7.4 μg/m3 (31) 42.0
 
July 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 8.3 μg/m3 (35) 41.0
 
July 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 6.2 μg/m3 (26) 43.0
 
July 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 5.7 μg/m3 (24) 44.0
 
July 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 6.2 μg/m3 (26) 42.0
 
July 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 7.7 μg/m3 (32) 38.0
 
July 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 13.4 μg/m3 (53) 53.0
 
July 26, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 11.3 μg/m3 (47) 47.0
 
July 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.9 μg/m3 (20) 22.0
 
July 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.4 μg/m3 (18) 32.0
 
July 26, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.4 μg/m3 (23) 35.0
 
July 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.7 μg/m3 (15) 38.0
 
July 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.2 μg/m3 (18) 42.0
 
July 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 4.4 μg/m3 (18) 42.0
 
July 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.4 μg/m3 (18) 42.0
 
July 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 19.8 μg/m3 (67) 67.0
 
July 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
July 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
July 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.7 μg/m3 (7) 37.0
 
July 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.7 μg/m3 (11) 35.0
 
July 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.7 μg/m3 (15) 28.0
 
July 25, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.7 μg/m3 (11) 18.0
 
July 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 4.4 μg/m3 (18) 18.0
 
July 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 4.4 μg/m3 (18) 18.0
 
July 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 1.5 μg/m3 (6) 15.0
 
July 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.2 μg/m3 (5) 18.0
 
July 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.9 μg/m3 (8) 18.0
 
July 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A -0.2 μg/m3 (0) 19.0
 
July 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.2 μg/m3 (1) 19.0
 
July 25, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
July 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
July 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.8 μg/m3 (3) 34.0
 
July 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 2.5 μg/m3 (10) 34.0
 
July 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.7 μg/m3 (20) 34.0
 
July 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
July 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.9 μg/m3 (29) 35.0
 
July 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 5.1 μg/m3 (21) 35.0
 
July 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.7 μg/m3 (11) 33.0
 
July 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
July 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
July 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.1 μg/m3 (13) 19.0
 
July 24, 2020, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
July 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 1.5 μg/m3 (6) 11.0
 
July 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 2.2 μg/m3 (9) 9.0
 
July 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.9 μg/m3 (16) 16.0
 
July 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
July 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
July 24, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 12.6 μg/m3 (51) 51.0
 
July 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.2 μg/m3 (5) 33.0
 
July 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -1.1 μg/m3 (0) 30.0
 
July 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
July 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
July 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
July 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.6 μg/m3 (23) 24.0
 
July 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.9 μg/m3 (16) 18.0
 
July 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.7 μg/m3 (11) 16.0
 
July 23, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 3.7 μg/m3 (15) 15.0
 
July 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 2.5 μg/m3 (10) 10.0
 
July 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.5 μg/m3 (6) 12.0
 
July 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 0.2 μg/m3 (1) 12.0
 
July 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.0 μg/m3 (8) 14.0
 
July 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.7 μg/m3 (11) 15.0
 
July 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.2 μg/m3 (9) 16.0
 
July 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.5 μg/m3 (6) 17.0
 
July 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
July 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 0.2 μg/m3 (1) 22.0
 
July 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 0.3 μg/m3 (1) 25.0
 
July 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
July 23, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.7 μg/m3 (11) 30.0
 
July 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 0.5 μg/m3 (2) 32.0
 
July 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.7 μg/m3 (7) 34.0
 
July 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.4 μg/m3 (10) 32.0
 
July 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 0.7 μg/m3 (3) 31.0
 
July 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.5 μg/m3 (2) 30.0
 
July 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.2 μg/m3 (5) 30.0
 
July 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A -0.2 μg/m3 (0) 27.0
 
July 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A -0.4 μg/m3 (0) 24.0
 
July 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
July 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.2 μg/m3 (9) 23.0
 
July 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.7 μg/m3 (7) 19.0
 
July 22, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.7 μg/m3 (7) 17.0
 
July 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 0.2 μg/m3 (1) 16.0
 
July 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A -1.4 μg/m3 (0) 15.0
 
July 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A -0.4 μg/m3 (0) 20.0
 
July 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
July 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.5 μg/m3 (6) 23.0
 
July 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
July 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 8.3 μg/m3 (35) 37.0
 
July 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 6.1 μg/m3 (25) 40.0
 
July 22, 2020, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 2.2 μg/m3 (9) 42.0
 
July 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 2.7 μg/m3 (11) 42.0
 
July 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.2 μg/m3 (18) 42.0
 
July 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 4.4 μg/m3 (18) 41.0
 
July 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.0 μg/m3 (8) 40.0
 
July 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.2 μg/m3 (9) 41.0
 
July 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.0 μg/m3 (8) 40.0
 
July 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 1.5 μg/m3 (6) 38.0
 
July 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.2 μg/m3 (13) 34.0
 
July 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.1 μg/m3 (21) 28.0
 
July 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
July 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.4 μg/m3 (14) 16.0
 
July 21, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0