ID: 529

AQSQID: 290770036

Site Name: Hillcrest Hs

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

Updated: June 22, 2021, 1:56 p.m.

Location: Springfield (W Smith St), MO

Reporting: True, Located: True

Current AQI: 61.0

Springfield (W Smith St) MO, US: 37.256069, -93.299692

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 41.0 μg/m3 (38) 4.6 μg/m3 (20) 50.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 34.0 μg/m3 (32) 2.4 μg/m3 (10) 49.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 50.0 μg/m3 (47) 8.3 μg/m3 (35) 50.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 23.0 μg/m3 (22) 5.1 μg/m3 (22) 50.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 30.0 μg/m3 (28) 9.4 μg/m3 (40) 40.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 63.0 μg/m3 (55) 13.7 μg/m3 (55) 55.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 107.0 μg/m3 (77) 13.6 μg/m3 (55) 77.0
 
June 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 24.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 15.0 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
June 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (17) 13.5 μg/m3 (54) 54.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 19.0 μg/m3 (18) 16.3 μg/m3 (60) 60.0
 
June 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 18.0 μg/m3 (17) 5.2 μg/m3 (22) 22.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 15.0 μg/m3 (14) -1.0 μg/m3 (0) 14.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 13.0 μg/m3 (13) -1.5 μg/m3 (0) 13.0
 
June 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 13.0 μg/m3 (13) 11.8 μg/m3 (50) 50.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 16.0 μg/m3 (15) 4.8 μg/m3 (20) 25.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 39.0
 
June 14, 2021, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 17.0 μg/m3 (16) 3.4 μg/m3 (15) 47.0
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 50.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 14.0 μg/m3 (13) 0.6 μg/m3 (3) 50.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 14.0 μg/m3 (13) 2.1 μg/m3 (9) 49.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 15.0 μg/m3 (14) 2.7 μg/m3 (12) 48.0
 
June 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 15.0 μg/m3 (14) 4.8 μg/m3 (20) 50.0
 
June 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 17.0 μg/m3 (16) 5.7 μg/m3 (24) 51.0
 
June 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 18.0 μg/m3 (17) 2.2 μg/m3 (10) 51.0
 
June 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 18.0 μg/m3 (17) 1.1 μg/m3 (5) 50.0
 
June 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 17.0 μg/m3 (16) 2.6 μg/m3 (11) 47.0
 
June 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 16.0 μg/m3 (15) 3.9 μg/m3 (17) 41.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 15.0 μg/m3 (14) 4.8 μg/m3 (20) 32.0
 
June 13, 2021, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 20.0 μg/m3 (19) 0.6 μg/m3 (3) 19.0
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 19.0 μg/m3 (18) N/A 18.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 14.0 μg/m3 (13) 0.3 μg/m3 (2) 13.0
 
June 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 15.0 μg/m3 (14) 2.3 μg/m3 (10) 14.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 22.0 μg/m3 (21) 9.2 μg/m3 (39) 39.0
 
June 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 16.0 μg/m3 (15) 18.7 μg/m3 (65) 65.0
 
June 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 14.0 μg/m3 (13) 12.1 μg/m3 (51) 51.0
 
June 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 12.0 μg/m3 (12) 1.7 μg/m3 (8) 13.0
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 14.0 μg/m3 (13) 4.4 μg/m3 (19) 21.0
 
June 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 13.0 μg/m3 (13) 4.5 μg/m3 (19) 36.0
 
June 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 14.0 μg/m3 (13) 4.8 μg/m3 (20) 40.0
 
June 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 41.0
 
June 13, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 17.0 μg/m3 (16) 5.1 μg/m3 (22) 42.0
 
June 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 17.0 μg/m3 (16) 3.7 μg/m3 (16) 43.0
 
June 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 17.0 μg/m3 (16) 4.6 μg/m3 (20) 42.0
 
June 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 16.0 μg/m3 (15) 2.6 μg/m3 (11) 41.0
 
June 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 19.0 μg/m3 (18) 9.1 μg/m3 (38) 40.0
 
June 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 19.0 μg/m3 (18) 6.4 μg/m3 (27) 37.0
 
June 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 38.0
 
June 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 40.0
 
June 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 16.0 μg/m3 (15) 5.2 μg/m3 (22) 39.0
 
June 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 38.0
 
June 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 32.0
 
June 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 18.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
June 12, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 16.0 μg/m3 (15) 5.8 μg/m3 (25) 25.0
 
June 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (16) 7.3 μg/m3 (31) 31.0
 
June 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
June 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 12.0 μg/m3 (12) -3.1 μg/m3 (0) 12.0
 
June 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 10.0 μg/m3 (10) 1.1 μg/m3 (5) 23.0
 
June 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 9.0 μg/m3 (9) 1.8 μg/m3 (8) 28.0
 
June 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 11.0 μg/m3 (11) 1.8 μg/m3 (8) 28.0
 
June 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.0 μg/m3 (13) 2.8 μg/m3 (12) 34.0
 
June 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 15.0 μg/m3 (14) 6.1 μg/m3 (26) 33.0
 
June 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 14.0 μg/m3 (13) 6.8 μg/m3 (29) 38.0
 
June 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A -4.0 μg/m3 (0) N/A 31.0
 
June 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 32.0
 
June 12, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 24.0 μg/m3 (77) 77.0
 
June 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 32.0 μg/m3 (30) 3.5 μg/m3 (15) 30.0
 
June 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 25.0 μg/m3 (24) 6.2 μg/m3 (26) 33.0
 
June 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 21.0 μg/m3 (20) 6.4 μg/m3 (27) 34.0
 
June 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 22.0 μg/m3 (21) 7.1 μg/m3 (30) 34.0
 
June 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 21.0 μg/m3 (20) 4.3 μg/m3 (18) 31.0
 
June 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 24.0 μg/m3 (23) 6.4 μg/m3 (27) 32.0
 
June 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 36.0 μg/m3 (34) 15.9 μg/m3 (59) 59.0
 
June 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 29.0 μg/m3 (87) 87.0
 
June 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 22.0 μg/m3 (21) 12.6 μg/m3 (53) 53.0
 
June 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 22.0 μg/m3 (21) 7.9 μg/m3 (33) 33.0
 
June 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 22.0 μg/m3 (21) 3.5 μg/m3 (15) 21.0
 
June 11, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 24.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
June 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 23.0 μg/m3 (22) 8.1 μg/m3 (34) 34.0
 
June 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 19.0 μg/m3 (18) 2.4 μg/m3 (10) 18.0
 
June 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 14.0 μg/m3 (13) 2.3 μg/m3 (10) 13.0
 
June 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
June 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 13.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
June 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
June 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 18.0 μg/m3 (17) 4.2 μg/m3 (18) 18.0
 
June 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
June 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 16.0 μg/m3 (15) 2.3 μg/m3 (10) 15.0
 
June 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 22.0 μg/m3 (21) 6.7 μg/m3 (28) 28.0
 
June 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 18.0 μg/m3 (17) 4.2 μg/m3 (18) 25.0
 
June 11, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 13.0 μg/m3 (13) 1.5 μg/m3 (7) 39.0
 
June 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 41.0
 
June 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 11.0 μg/m3 (11) 3.7 μg/m3 (16) 43.0
 
June 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 16.0 μg/m3 (15) 7.9 μg/m3 (33) 45.0
 
June 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 35.0 μg/m3 (33) 3.8 μg/m3 (16) 42.0
 
June 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 29.0 μg/m3 (27) 3.1 μg/m3 (13) 44.0
 
June 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 20.0 μg/m3 (19) 1.5 μg/m3 (7) 45.0
 
June 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 20.0 μg/m3 (19) 3.5 μg/m3 (15) 42.0
 
June 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 28.0 μg/m3 (26) 4.8 μg/m3 (20) 41.0
 
June 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 21.0 μg/m3 (20) 7.1 μg/m3 (30) 40.0
 
June 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 23.0 μg/m3 (22) 7.3 μg/m3 (31) 35.0
 
June 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 44.0 μg/m3 (41) 12.3 μg/m3 (52) 52.0
 
June 10, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 85.0 μg/m3 (66) 8.7 μg/m3 (37) 66.0
 
June 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 24.0 μg/m3 (23) 0.8 μg/m3 (4) 23.0
 
June 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 14.0 μg/m3 (13) 0.9 μg/m3 (4) 13.0
 
June 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 13.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
June 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 14.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
June 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 13.0 μg/m3 (13) 5.6 μg/m3 (24) 24.0
 
June 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (13) 5.5 μg/m3 (23) 23.0
 
June 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 13.0 μg/m3 (13) 4.4 μg/m3 (19) 19.0
 
June 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 16.0 μg/m3 (15) 4.7 μg/m3 (20) 20.0
 
June 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
June 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 22.0
 
June 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.0 μg/m3 (19) 1.9 μg/m3 (8) 25.0
 
June 10, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 15.0 μg/m3 (14) 6.5 μg/m3 (28) 36.0
 
June 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 11.0 μg/m3 (11) 1.6 μg/m3 (7) 40.0
 
June 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 10.0 μg/m3 (10) 4.9 μg/m3 (21) 39.0
 
June 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 12.0 μg/m3 (12) 3.6 μg/m3 (16) 38.0
 
June 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 18.0 μg/m3 (17) 0.0 μg/m3 (0) 38.0
 
June 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 24.0 μg/m3 (23) N/A 38.0
 
June 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 14.0 μg/m3 (13) N/A 38.0
 
June 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
June 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
June 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
June 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 13.0 μg/m3 (13) 4.7 μg/m3 (20) 25.0
 
June 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
June 9, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 22.0 μg/m3 (21) 6.5 μg/m3 (28) 28.0
 
June 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (17) 6.2 μg/m3 (26) 26.0
 
June 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 8.0 μg/m3 (8) -3.6 μg/m3 (0) 8.0
 
June 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 9.0 μg/m3 (9) 5.4 μg/m3 (23) 23.0
 
June 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 7.0 μg/m3 (7) 0.2 μg/m3 (1) 10.0
 
June 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 8.0 μg/m3 (8) 2.9 μg/m3 (13) 13.0
 
June 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 9.0 μg/m3 (9) 3.6 μg/m3 (16) 17.0
 
June 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) -1.1 μg/m3 (0) 22.0
 
June 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 24.0
 
June 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 9.0 μg/m3 (9) 0.9 μg/m3 (4) 20.0
 
June 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 14.0 μg/m3 (13) 2.6 μg/m3 (11) 20.0
 
June 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.0 μg/m3 (14) N/A 18.0
 
June 9, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
June 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
June 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.0 μg/m3 (11) 11.8 μg/m3 (50) 50.0
 
June 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 11.0 μg/m3 (11) 13.3 μg/m3 (54) 54.0
 
June 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 32.0 μg/m3 (30) 16.2 μg/m3 (60) 60.0
 
June 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 54.0 μg/m3 (50) 13.4 μg/m3 (54) 54.0
 
June 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 20.0 μg/m3 (19) 12.7 μg/m3 (53) 53.0
 
June 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 19.0 μg/m3 (18) 10.5 μg/m3 (44) 44.0
 
June 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 16.0 μg/m3 (15) 11.8 μg/m3 (50) 50.0
 
June 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 20.0 μg/m3 (19) 10.4 μg/m3 (44) 44.0
 
June 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 19.0 μg/m3 (18) 10.9 μg/m3 (46) 46.0
 
June 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 12.0 μg/m3 (12) 7.7 μg/m3 (33) 33.0
 
June 8, 2021, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 11.0 μg/m3 (11) 11.9 μg/m3 (50) 50.0
 
June 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 12.0 μg/m3 (12) 17.9 μg/m3 (64) 64.0
 
June 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 11.0 μg/m3 (11) 3.7 μg/m3 (16) 17.0
 
June 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 13.0 μg/m3 (13) 1.9 μg/m3 (8) 14.0
 
June 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
June 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 9.0 μg/m3 (9) 2.5 μg/m3 (11) 14.0
 
June 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 7.0 μg/m3 (7) 0.7 μg/m3 (3) 16.0
 
June 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 7.0 μg/m3 (7) 6.5 μg/m3 (28) 28.0
 
June 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 4.5 μg/m3 (19) 27.0
 
June 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.0 μg/m3 (7) 2.2 μg/m3 (10) 26.0
 
June 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 25.0
 
June 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 9.0 μg/m3 (9) 4.9 μg/m3 (21) 26.0
 
June 8, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 7.0 μg/m3 (7) 2.7 μg/m3 (12) 28.0
 
June 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 9.0 μg/m3 (9) 8.3 μg/m3 (35) 35.0
 
June 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) -2.1 μg/m3 (0) 33.0
 
June 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 8.0 μg/m3 (8) 1.6 μg/m3 (7) 32.0
 
June 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 7.0 μg/m3 (7) N/A 31.0
 
June 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 7.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0