ID: 1900

AQSQID: 181630021

Site Name: Evansville-Buena Vista

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

Updated: April 10, 2021, 11:42 a.m.

Location: Evansville (W Buena Vista Rd), IN

Reporting: True, Located: True

Current AQI: 34.0

Evansville (W Buena Vista Rd) IN, US: 38.0133, -87.5772

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 7.2 μg/m3 (31) 34.0
 
April 10, 2021, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 6.8 μg/m3 (29) 38.0
 
April 10, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 3.0 ppb (5) 35.0 ppb (33) N/A N/A 7.3 μg/m3 (31) 33.0
 
April 10, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 37.0 ppb (35) N/A N/A 7.3 μg/m3 (31) 35.0
 
April 10, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 6.7 μg/m3 (28) 37.0
 
April 10, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
April 10, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 6.2 μg/m3 (26) 39.0
 
April 10, 2021, 3 a.m. N/A N/A N/A -1.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A 5.9 μg/m3 (25) 43.0
 
April 10, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 5.1 μg/m3 (22) 47.0
 
April 10, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 5.3 μg/m3 (23) 48.0
 
April 10, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 7.3 μg/m3 (31) 39.0
 
April 9, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
April 9, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 6.4 μg/m3 (27) 47.0
 
April 9, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 6.8 μg/m3 (29) 51.0
 
April 9, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 6.8 μg/m3 (29) 61.0
 
April 9, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 60.0 ppb (68) N/A N/A 6.5 μg/m3 (28) 68.0
 
April 9, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 2.0 ppb (3) 57.0 ppb (58) N/A N/A 6.2 μg/m3 (26) 58.0
 
April 9, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 6.2 μg/m3 (26) 49.0
 
April 9, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 6.6 μg/m3 (28) 41.0
 
April 9, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 6.8 μg/m3 (29) 36.0
 
April 9, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 6.4 μg/m3 (27) 32.0
 
April 9, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 6.2 μg/m3 (26) 29.0
 
April 9, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 6.1 μg/m3 (26) 26.0
 
April 9, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 5.9 μg/m3 (25) 25.0
 
April 9, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 5.6 μg/m3 (24) 26.0
 
April 9, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 5.4 μg/m3 (23) 26.0
 
April 9, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
April 9, 2021, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 4.9 μg/m3 (21) 34.0
 
April 9, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 5.3 μg/m3 (23) 33.0
 
April 9, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 5.5 μg/m3 (23) 32.0
 
April 9, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 9, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 29.0 ppb (27) N/A N/A 6.7 μg/m3 (28) 28.0
 
April 9, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 5.7 μg/m3 (24) 34.0
 
April 9, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 5.3 μg/m3 (23) 38.0
 
April 8, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
April 8, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 4.8 μg/m3 (20) 38.0
 
April 8, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 40.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
April 8, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 2.0 ppb (3) 38.0 ppb (36) N/A N/A 4.3 μg/m3 (18) 36.0
 
April 8, 2021, 7 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 8, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
April 8, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 5.1 μg/m3 (22) 37.0
 
April 8, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 5.4 μg/m3 (23) 36.0
 
April 8, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
April 8, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 6.6 μg/m3 (28) 32.0
 
April 8, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 5.7 μg/m3 (24) 33.0
 
April 8, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
April 8, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 4.4 μg/m3 (19) 36.0
 
April 8, 2021, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 4.1 μg/m3 (18) 37.0
 
April 8, 2021, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 8, 2021, 8 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 3.6 μg/m3 (16) 39.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
April 8, 2021, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.3 μg/m3 (14) 35.0
 
April 8, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 4.8 μg/m3 (20) 35.0
 
April 8, 2021, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 2.0 ppb (3) 36.0 ppb (34) N/A N/A 6.8 μg/m3 (29) 34.0
 
April 8, 2021, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 7.9 μg/m3 (33) 33.0
 
April 8, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 8.3 μg/m3 (35) 35.0
 
April 8, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 8.2 μg/m3 (35) 35.0
 
April 8, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 9.2 μg/m3 (39) 39.0
 
April 7, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 8.7 μg/m3 (37) 37.0
 
April 7, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 7.1 μg/m3 (30) 36.0
 
April 7, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 7.3 μg/m3 (31) 36.0
 
April 7, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 7.5 μg/m3 (32) 36.0
 
April 7, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
April 7, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 7.9 μg/m3 (33) 34.0
 
April 7, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 9.4 μg/m3 (40) 40.0
 
April 7, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 10.9 μg/m3 (46) 46.0
 
April 7, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 7, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 14.9 μg/m3 (57) 57.0
 
April 7, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 18.7 μg/m3 (65) 65.0
 
April 7, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (5) 29.0 ppb (27) N/A N/A 21.1 μg/m3 (70) 70.0
 
April 7, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 34.0 ppb (32) N/A N/A 18.0 μg/m3 (64) 64.0
 
April 7, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 16.1 μg/m3 (60) 60.0
 
April 7, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 21.3 μg/m3 (71) 71.0
 
April 7, 2021, 7 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 26.1 μg/m3 (81) 81.0
 
April 7, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 27.1 μg/m3 (83) 83.0
 
April 7, 2021, 5 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 27.3 μg/m3 (83) 83.0
 
April 7, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 23.5 μg/m3 (75) 75.0
 
April 7, 2021, 3 a.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 23.5 μg/m3 (75) 75.0
 
April 7, 2021, 2 a.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 21.6 μg/m3 (71) 71.0
 
April 7, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 22.3 μg/m3 (73) 73.0
 
April 7, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 17.1 μg/m3 (62) 62.0
 
April 6, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 16.1 μg/m3 (60) 60.0
 
April 6, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 17.4 μg/m3 (63) 63.0
 
April 6, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 16.5 μg/m3 (61) 61.0
 
April 6, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 14.2 μg/m3 (56) 56.0
 
April 6, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 15.1 μg/m3 (58) 58.0
 
April 6, 2021, 6 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 15.7 μg/m3 (59) 59.0
 
April 6, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 2.0 ppb (3) 54.0 ppb (50) N/A N/A 16.2 μg/m3 (60) 60.0
 
April 6, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) N/A N/A N/A 22.7 μg/m3 (74) 74.0
 
April 6, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 39.0 ppb (37) N/A N/A 16.9 μg/m3 (62) 62.0
 
April 6, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 16.1 μg/m3 (60) 60.0
 
April 6, 2021, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 18.1 μg/m3 (64) 64.0
 
April 6, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 25.3 μg/m3 (79) 79.0
 
April 6, 2021, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 25.9 μg/m3 (81) 81.0
 
April 6, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 25.6 μg/m3 (80) 80.0
 
April 6, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 26.5 μg/m3 (82) 82.0
 
April 6, 2021, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 27.7 μg/m3 (84) 84.0
 
April 6, 2021, 7 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 29.3 μg/m3 (88) 88.0
 
April 6, 2021, 6 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 30.9 μg/m3 (91) 91.0
 
April 6, 2021, 5 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 32.8 μg/m3 (95) 95.0
 
April 6, 2021, 4 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 33.0 μg/m3 (95) 95.0
 
April 6, 2021, 3 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 33.4 μg/m3 (96) 96.0
 
April 6, 2021, 2 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 30.0 μg/m3 (89) 89.0
 
April 6, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 22.2 μg/m3 (73) 73.0
 
April 6, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 14.4 μg/m3 (56) 56.0
 
April 5, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 11.8 μg/m3 (50) 50.0
 
April 5, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 11.9 μg/m3 (50) 50.0
 
April 5, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 11.1 μg/m3 (47) 51.0
 
April 5, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 10.2 μg/m3 (43) 58.0
 
April 5, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 11.4 μg/m3 (48) 55.0
 
April 5, 2021, 6 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 11.5 μg/m3 (48) 51.0
 
April 5, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 11.2 μg/m3 (47) 49.0
 
April 5, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 2.0 ppb (3) 51.0 ppb (48) N/A N/A 10.4 μg/m3 (44) 48.0
 
April 5, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 10.5 μg/m3 (44) 44.0
 
April 5, 2021, 2 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 17.0 μg/m3 (62) 62.0
 
April 5, 2021, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 20.0 μg/m3 (68) 68.0
 
April 5, 2021, noon N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 32.1 μg/m3 (94) 94.0
 
April 5, 2021, 11 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 32.0 μg/m3 (93) 93.0
 
April 5, 2021, 10 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 33.5 μg/m3 (97) 97.0
 
April 5, 2021, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 35.6 μg/m3 (102) 102.0
 
April 5, 2021, 8 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 37.2 μg/m3 (106) 106.0
 
April 5, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 38.5 μg/m3 (109) 109.0
 
April 5, 2021, 6 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 38.5 μg/m3 (109) 109.0
 
April 5, 2021, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 38.3 μg/m3 (108) 108.0
 
April 5, 2021, 4 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 37.9 μg/m3 (107) 107.0
 
April 5, 2021, 3 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 35.4 μg/m3 (100) 100.0
 
April 5, 2021, 2 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 31.5 μg/m3 (92) 92.0
 
April 5, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 29.2 μg/m3 (87) 87.0
 
April 5, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 21.5 μg/m3 (71) 71.0
 
April 4, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 20.4 μg/m3 (69) 69.0
 
April 4, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 2.0 ppb (3) 60.0 ppb (68) N/A N/A 21.1 μg/m3 (70) 70.0
 
April 4, 2021, 9 p.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 60.0 ppb (68) N/A N/A 22.0 μg/m3 (72) 72.0
 
April 4, 2021, 8 p.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 60.0 ppb (68) N/A N/A 21.0 μg/m3 (70) 70.0
 
April 4, 2021, 7 p.m. N/A N/A N/A -1.0 ppb (0) N/A 2.0 ppb (3) 59.0 ppb (65) N/A N/A 21.6 μg/m3 (71) 71.0
 
April 4, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 4.0 ppb (6) 54.0 ppb (50) N/A N/A 19.4 μg/m3 (67) 67.0
 
April 4, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 5.0 ppb (8) 49.0 ppb (46) N/A N/A 17.5 μg/m3 (63) 63.0
 
April 4, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 4.0 ppb (6) 44.0 ppb (41) N/A N/A 15.4 μg/m3 (58) 58.0
 
April 4, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 40.0 ppb (38) N/A N/A 10.2 μg/m3 (43) 43.0
 
April 4, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 33.0 ppb (31) N/A N/A 7.4 μg/m3 (31) 31.0
 
April 4, 2021, 1 p.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 29.0 ppb (27) N/A N/A 8.3 μg/m3 (35) 35.0
 
April 4, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 10.8 μg/m3 (46) 46.0
 
April 4, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 11.4 μg/m3 (48) 48.0
 
April 4, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 10.1 μg/m3 (43) 43.0
 
April 4, 2021, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 10.2 μg/m3 (43) 43.0
 
April 4, 2021, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 14.0 μg/m3 (55) 55.0
 
April 4, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 17.8 μg/m3 (63) 63.0
 
April 4, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 18.1 μg/m3 (64) 64.0
 
April 4, 2021, 5 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 14.9 μg/m3 (57) 57.0
 
April 4, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 11.7 μg/m3 (49) 49.0
 
April 4, 2021, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 11.4 μg/m3 (48) 48.0
 
April 4, 2021, 2 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 13.8 μg/m3 (55) 55.0
 
April 4, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 12.4 μg/m3 (52) 52.0
 
April 4, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 7.4 μg/m3 (31) 38.0
 
April 3, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 5.9 μg/m3 (25) 43.0
 
April 3, 2021, 10 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 5.8 μg/m3 (25) 47.0
 
April 3, 2021, 9 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 6.1 μg/m3 (26) 47.0
 
April 3, 2021, 8 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 6.9 μg/m3 (29) 48.0
 
April 3, 2021, 7 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 7.5 μg/m3 (32) 46.0
 
April 3, 2021, 6 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 8.1 μg/m3 (34) 45.0
 
April 3, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 8.2 μg/m3 (35) 44.0
 
April 3, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 7.6 μg/m3 (32) 41.0
 
April 3, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 7.2 μg/m3 (31) 38.0
 
April 3, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 6.9 μg/m3 (29) 34.0
 
April 3, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
April 3, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 8.4 μg/m3 (36) 36.0
 
April 3, 2021, 11 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 10.2 μg/m3 (43) 43.0