ID: 1018

AQSQID: 190450019

Site Name: Clinton, Chancy Park

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

Updated: April 10, 2021, 10:43 a.m.

Location: Clinton (El Tapatio), IA

Reporting: True, Located: True

Current AQI: 8.0

Clinton (El Tapatio) IA, US: 41.823101, -90.211899

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.9 μg/m3 (21) 21.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.8 μg/m3 (33) 33.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 8.7 μg/m3 (37) 37.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 13.7 μg/m3 (55) 55.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 10.6 μg/m3 (45) 45.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 6.5 μg/m3 (28) 28.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.7 μg/m3 (55) 55.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.9 μg/m3 (62) 62.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 16.7 μg/m3 (61) 61.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 15.6 μg/m3 (59) 59.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A 15.3 μg/m3 (58) 58.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 17.4 μg/m3 (63) 63.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 18.1 μg/m3 (64) 64.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 18.5 μg/m3 (65) 65.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 20.5 μg/m3 (69) 69.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A 25.7 μg/m3 (80) 80.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (81) 81.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 25.4 μg/m3 (79) 79.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A 26.5 μg/m3 (82) 82.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 23.7 μg/m3 (76) 76.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 22.9 μg/m3 (74) 74.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.7 μg/m3 (59) 59.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.3 μg/m3 (56) 56.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 17.7 μg/m3 (63) 63.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 17.7 μg/m3 (63) 63.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A N/A 18.1 μg/m3 (64) 64.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A 17.6 μg/m3 (63) 63.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A 16.2 μg/m3 (60) 60.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 17.0 ppb (25) N/A N/A N/A 15.8 μg/m3 (59) 59.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 14.9 μg/m3 (57) 57.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 13.5 μg/m3 (54) 54.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (52) 52.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 13.2 μg/m3 (54) 54.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 14.4 μg/m3 (56) 56.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 14.9 μg/m3 (57) 57.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 11.6 μg/m3 (49) 49.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 13.9 μg/m3 (55) 55.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 15.4 μg/m3 (58) 58.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 17.7 μg/m3 (63) 63.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 24.4 μg/m3 (77) 77.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 24.7 μg/m3 (78) 78.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 23.4 μg/m3 (75) 75.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 25.4 μg/m3 (79) 79.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 27.9 μg/m3 (85) 85.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 23.7 μg/m3 (76) 76.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 17.4 μg/m3 (63) 63.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (64) 64.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) N/A N/A N/A 20.2 μg/m3 (69) 69.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 20.4 μg/m3 (69) 69.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A N/A 24.3 μg/m3 (77) 77.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A N/A 31.6 μg/m3 (93) 93.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 27.8 μg/m3 (85) 85.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 24.5 μg/m3 (78) 78.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.4 μg/m3 (71) 71.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 20.4 μg/m3 (69) 69.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 24.3 μg/m3 (77) 77.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 26.6 μg/m3 (82) 82.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 30.4 μg/m3 (90) 90.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 34.1 μg/m3 (98) 98.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 41.7 μg/m3 (117) 117.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 34.9 μg/m3 (99) 99.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 36.2 μg/m3 (103) 103.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 36.6 μg/m3 (104) 104.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 39.5 μg/m3 (111) 111.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 44.8 μg/m3 (124) 124.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 54.1 μg/m3 (147) 147.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 62.9 μg/m3 (155) 155.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 63.3 μg/m3 (156) 156.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 67.4 μg/m3 (158) 158.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 67.3 μg/m3 (158) 158.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 51.7 μg/m3 (141) 141.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 38.6 μg/m3 (109) 109.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 30.7 μg/m3 (91) 91.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 39.7 μg/m3 (112) 112.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 24.4 μg/m3 (77) 77.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.1 μg/m3 (70) 70.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 20.4 μg/m3 (69) 69.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 22.6 μg/m3 (74) 74.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.7 μg/m3 (76) 76.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 27.4 μg/m3 (84) 84.0
 
April 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 31.9 μg/m3 (93) 93.0
 
April 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 33.6 μg/m3 (97) 97.0
 
April 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 34.2 μg/m3 (98) 98.0
 
April 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 34.0 μg/m3 (98) 98.0
 
April 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 31.8 μg/m3 (93) 93.0
 
April 3, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 29.8 μg/m3 (89) 89.0
 
April 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.4 μg/m3 (75) 75.0
 
April 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.6 μg/m3 (67) 67.0