ID: 546

AQSQID: 320030071

Site Name: Walter Johnson

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

Updated: June 23, 2021, 5:53 p.m.

Location: Las Vegas (Villa Monterey Dr), NV

Reporting: True, Located: True

Current AQI: 48.0

Las Vegas (Villa Monterey Dr) NV, US: 36.169756, -115.263038

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 23, 2021, 4 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) 5.4 μg/m3 (23) 48.0
 
June 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 48.0
 
June 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 13.0 μg/m3 (13) 5.8 μg/m3 (25) 48.0
 
June 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 17.0 μg/m3 (16) 5.8 μg/m3 (25) 49.0
 
June 23, 2021, noon N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 49.0
 
June 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 16.0 μg/m3 (15) 6.3 μg/m3 (27) 51.0
 
June 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 20.0 μg/m3 (19) 6.6 μg/m3 (28) 49.0
 
June 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 20.0 μg/m3 (19) 5.9 μg/m3 (25) 50.0
 
June 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 26.0 μg/m3 (25) 6.4 μg/m3 (27) 51.0
 
June 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 26.0 μg/m3 (25) 6.3 μg/m3 (27) 51.0
 
June 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 33.0 μg/m3 (31) 6.7 μg/m3 (28) 55.0
 
June 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 39.0 μg/m3 (37) 7.5 μg/m3 (32) 65.0
 
June 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 24.0 μg/m3 (23) 6.8 μg/m3 (29) 50.0
 
June 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 18.0 μg/m3 (17) 6.5 μg/m3 (28) 46.0
 
June 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 20.0 μg/m3 (19) 6.3 μg/m3 (27) 50.0
 
June 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 20.0 μg/m3 (19) 6.6 μg/m3 (28) 51.0
 
June 23, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 16.0 μg/m3 (15) 5.9 μg/m3 (25) 50.0
 
June 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 17.0 μg/m3 (16) 5.8 μg/m3 (25) 50.0
 
June 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 18.0 μg/m3 (17) 5.8 μg/m3 (25) 50.0
 
June 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 19.0 μg/m3 (18) 5.8 μg/m3 (25) 50.0
 
June 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 17.0 μg/m3 (16) 5.4 μg/m3 (23) 50.0
 
June 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (21) 51.0
 
June 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 17.0 μg/m3 (16) 4.8 μg/m3 (20) 50.0
 
June 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 19.0 μg/m3 (18) 4.6 μg/m3 (20) 50.0
 
June 22, 2021, 4 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) 5.1 μg/m3 (22) 51.0
 
June 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 26.0 μg/m3 (25) 5.8 μg/m3 (25) 49.0
 
June 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 28.0 μg/m3 (26) 6.2 μg/m3 (26) 44.0
 
June 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 45.0
 
June 22, 2021, noon N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 48.0
 
June 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 18.0 μg/m3 (17) 5.5 μg/m3 (23) 50.0
 
June 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 17.0 μg/m3 (16) 5.6 μg/m3 (24) 50.0
 
June 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 19.0 μg/m3 (18) 5.2 μg/m3 (22) 50.0
 
June 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.1 μg/m3 (22) 22.0
 
June 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 50.0
 
June 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 24.0 μg/m3 (23) 5.4 μg/m3 (23) 58.0
 
June 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 65.0
 
June 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 40.0 μg/m3 (38) 6.6 μg/m3 (28) 65.0
 
June 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 35.0 μg/m3 (33) 6.1 μg/m3 (26) 61.0
 
June 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 33.0 μg/m3 (31) 5.7 μg/m3 (24) 65.0
 
June 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 24.0 μg/m3 (23) 4.6 μg/m3 (20) 68.0
 
June 22, 2021, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 22.0 μg/m3 (21) 4.1 μg/m3 (18) 78.0
 
June 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 28.0 μg/m3 (26) 4.7 μg/m3 (20) 71.0
 
June 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 23.0 μg/m3 (22) 5.8 μg/m3 (25) 65.0
 
June 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 21.0 μg/m3 (20) 5.8 μg/m3 (25) 68.0
 
June 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 25.0 μg/m3 (24) 6.6 μg/m3 (28) 74.0
 
June 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 25.0 μg/m3 (24) 6.5 μg/m3 (28) 71.0
 
June 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 26.0 μg/m3 (25) 6.6 μg/m3 (28) 71.0
 
June 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 26.0 μg/m3 (25) 6.7 μg/m3 (28) 65.0
 
June 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 33.0 μg/m3 (31) 8.2 μg/m3 (35) 50.0
 
June 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 43.0 μg/m3 (40) 9.3 μg/m3 (39) 40.0
 
June 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 44.0 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
June 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 60.0 μg/m3 (54) 10.8 μg/m3 (46) 54.0
 
June 21, 2021, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 24.0 μg/m3 (23) 8.2 μg/m3 (35) 40.0
 
June 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 27.0 μg/m3 (25) 7.9 μg/m3 (33) 45.0
 
June 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 21.0 μg/m3 (20) 7.3 μg/m3 (31) 55.0
 
June 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 23.0 μg/m3 (22) 7.8 μg/m3 (33) 55.0
 
June 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 21.0 μg/m3 (20) 7.6 μg/m3 (32) 55.0
 
June 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 27.0 μg/m3 (25) 7.8 μg/m3 (33) 58.0
 
June 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 33.0 μg/m3 (31) 8.7 μg/m3 (37) 61.0
 
June 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 44.0 μg/m3 (41) 9.6 μg/m3 (40) 65.0
 
June 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 49.0 μg/m3 (46) 9.0 μg/m3 (38) 71.0
 
June 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 44.0 μg/m3 (41) 9.2 μg/m3 (39) 74.0
 
June 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 34.0 μg/m3 (32) 8.7 μg/m3 (37) 74.0
 
June 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 25.0 μg/m3 (24) 8.3 μg/m3 (35) 87.0
 
June 21, 2021, midnight N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 87.0
 
June 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 24.0 μg/m3 (23) 7.5 μg/m3 (32) 84.0
 
June 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 26.0 μg/m3 (25) 7.8 μg/m3 (33) 81.0
 
June 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 21.0 μg/m3 (20) 8.1 μg/m3 (34) 78.0
 
June 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 24.0 μg/m3 (23) 8.9 μg/m3 (38) 78.0
 
June 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A 33.0 μg/m3 (31) 9.1 μg/m3 (38) 91.0
 
June 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 26.0 μg/m3 (25) 9.5 μg/m3 (40) 101.0
 
June 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 27.0 μg/m3 (25) 10.5 μg/m3 (44) 102.0
 
June 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 27.0 μg/m3 (25) 10.6 μg/m3 (45) 94.0
 
June 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 27.0 μg/m3 (25) 10.4 μg/m3 (44) 74.0
 
June 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 27.0 μg/m3 (25) 10.1 μg/m3 (43) 51.0
 
June 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 23.0 μg/m3 (22) 9.3 μg/m3 (39) 65.0
 
June 20, 2021, noon N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 28.0 μg/m3 (26) 10.6 μg/m3 (45) 65.0
 
June 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 29.0 μg/m3 (27) 11.2 μg/m3 (47) 74.0
 
June 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 32.0 μg/m3 (30) 11.7 μg/m3 (49) 81.0
 
June 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 33.0 μg/m3 (31) 11.5 μg/m3 (48) 84.0
 
June 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 35.0 μg/m3 (33) 11.8 μg/m3 (50) 94.0
 
June 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 43.0 μg/m3 (40) 11.9 μg/m3 (50) 94.0
 
June 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 41.0 μg/m3 (38) 11.7 μg/m3 (49) 74.0
 
June 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 24.0 μg/m3 (23) 10.5 μg/m3 (44) 50.0
 
June 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 25.0 μg/m3 (24) 11.1 μg/m3 (47) 50.0
 
June 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 27.0 μg/m3 (25) 10.8 μg/m3 (46) 51.0
 
June 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 25.0 μg/m3 (24) 10.0 μg/m3 (42) 65.0
 
June 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 30.0 μg/m3 (28) 9.9 μg/m3 (42) 71.0
 
June 20, 2021, midnight N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 26.0 μg/m3 (25) 9.9 μg/m3 (42) 71.0
 
June 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A 27.0 μg/m3 (25) 10.5 μg/m3 (44) 91.0
 
June 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (105) N/A 32.0 μg/m3 (30) 11.6 μg/m3 (49) 105.0
 
June 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 82.0 ppb (107) N/A 31.0 μg/m3 (29) 11.6 μg/m3 (49) 107.0
 
June 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 84.0 ppb (108) N/A 30.0 μg/m3 (28) 11.6 μg/m3 (49) 108.0
 
June 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (105) N/A 32.0 μg/m3 (30) 11.6 μg/m3 (49) 105.0
 
June 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 30.0 μg/m3 (28) 10.9 μg/m3 (46) 87.0
 
June 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 27.0 μg/m3 (25) 10.4 μg/m3 (44) 65.0
 
June 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 38.0 μg/m3 (36) 11.5 μg/m3 (48) 55.0
 
June 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 33.0 μg/m3 (31) 11.1 μg/m3 (47) 47.0
 
June 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 34.0 μg/m3 (32) 10.6 μg/m3 (45) 45.0
 
June 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 27.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
June 19, 2021, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 25.0 μg/m3 (24) 9.5 μg/m3 (40) 40.0
 
June 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 31.0 μg/m3 (29) 10.2 μg/m3 (43) 43.0
 
June 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 23.0 μg/m3 (22) 9.1 μg/m3 (38) 47.0
 
June 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 20.0 μg/m3 (19) 8.4 μg/m3 (36) 55.0
 
June 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 30.0 μg/m3 (28) 9.1 μg/m3 (38) 58.0
 
June 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 26.0 μg/m3 (25) 9.8 μg/m3 (41) 50.0
 
June 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 31.0 μg/m3 (29) 11.1 μg/m3 (47) 47.0
 
June 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 34.0 μg/m3 (32) 11.4 μg/m3 (48) 50.0
 
June 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 36.0 μg/m3 (34) 11.8 μg/m3 (50) 50.0
 
June 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 34.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
June 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 55.0
 
June 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 27.0 μg/m3 (25) 11.4 μg/m3 (48) 61.0
 
June 19, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 27.0 μg/m3 (25) 11.5 μg/m3 (48) 65.0
 
June 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 26.0 μg/m3 (25) 11.3 μg/m3 (48) 65.0
 
June 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 32.0 μg/m3 (30) 11.6 μg/m3 (49) 65.0
 
June 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 37.0 μg/m3 (35) 12.4 μg/m3 (52) 65.0
 
June 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 34.0 μg/m3 (32) 12.5 μg/m3 (52) 61.0
 
June 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 37.0 μg/m3 (35) 12.7 μg/m3 (53) 58.0
 
June 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 36.0 μg/m3 (34) 12.9 μg/m3 (53) 55.0
 
June 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 42.0 μg/m3 (39) 13.5 μg/m3 (54) 54.0
 
June 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 51.0 μg/m3 (48) 14.9 μg/m3 (57) 57.0
 
June 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 51.0 μg/m3 (48) 15.9 μg/m3 (59) 59.0
 
June 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 51.0 μg/m3 (48) 15.7 μg/m3 (59) 59.0
 
June 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 50.0 μg/m3 (47) 15.2 μg/m3 (58) 58.0
 
June 18, 2021, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 36.0 μg/m3 (34) 15.5 μg/m3 (59) 59.0
 
June 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 41.0 μg/m3 (38) 15.2 μg/m3 (58) 58.0
 
June 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 48.0 μg/m3 (45) 14.8 μg/m3 (57) 57.0
 
June 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 37.0 μg/m3 (35) 13.9 μg/m3 (55) 55.0
 
June 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 42.0 μg/m3 (39) 13.9 μg/m3 (55) 55.0
 
June 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 41.0 μg/m3 (38) 14.0 μg/m3 (55) 55.0
 
June 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 38.0 μg/m3 (36) 14.9 μg/m3 (57) 57.0
 
June 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 57.0 μg/m3 (52) 15.4 μg/m3 (58) 58.0
 
June 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 45.0 μg/m3 (42) 14.3 μg/m3 (56) 56.0
 
June 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 42.0 μg/m3 (39) 14.6 μg/m3 (57) 57.0
 
June 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 73.0 μg/m3 (60) 15.1 μg/m3 (58) 74.0
 
June 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 33.0 μg/m3 (31) 13.5 μg/m3 (54) 94.0
 
June 18, 2021, midnight N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 36.0 μg/m3 (34) 13.7 μg/m3 (55) 101.0
 
June 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 34.0 μg/m3 (32) 13.2 μg/m3 (54) 97.0
 
June 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 31.0 μg/m3 (29) 13.1 μg/m3 (54) 97.0
 
June 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 36.0 μg/m3 (34) 13.2 μg/m3 (54) 102.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A 36.0 μg/m3 (34) 13.5 μg/m3 (54) 103.0
 
June 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 50.0 μg/m3 (47) 14.4 μg/m3 (56) 102.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 60.0 μg/m3 (54) 15.1 μg/m3 (58) 78.0
 
June 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 81.0 μg/m3 (64) 17.2 μg/m3 (62) 64.0
 
June 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 73.0 μg/m3 (60) 16.8 μg/m3 (61) 61.0
 
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 63.0 μg/m3 (55) 17.1 μg/m3 (62) 62.0
 
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 62.0 μg/m3 (55) 16.4 μg/m3 (61) 61.0
 
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 52.0 μg/m3 (49) 15.8 μg/m3 (59) 59.0
 
June 17, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 41.0 μg/m3 (38) 15.3 μg/m3 (58) 58.0
 
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 35.0 μg/m3 (33) 14.5 μg/m3 (57) 57.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 35.0 μg/m3 (33) 14.0 μg/m3 (55) 55.0
 
June 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 39.0 μg/m3 (37) 13.9 μg/m3 (55) 55.0
 
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 53.0 μg/m3 (50) 16.8 μg/m3 (61) 61.0
 
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 49.0 μg/m3 (46) 16.8 μg/m3 (61) 61.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 46.0 μg/m3 (43) 15.2 μg/m3 (58) 58.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 64.0 μg/m3 (56) 16.6 μg/m3 (61) 61.0
 
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 42.0 μg/m3 (39) 16.7 μg/m3 (61) 61.0
 
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 38.0 μg/m3 (36) 16.7 μg/m3 (61) 61.0
 
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 32.0 μg/m3 (30) 15.1 μg/m3 (58) 58.0
 
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 28.0 μg/m3 (26) 14.4 μg/m3 (56) 94.0
 
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 31.0 μg/m3 (29) 14.4 μg/m3 (56) 97.0
 
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (105) N/A 34.0 μg/m3 (32) 14.4 μg/m3 (56) 105.0
 
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (106) N/A 31.0 μg/m3 (29) 14.2 μg/m3 (56) 106.0
 
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) N/A 33.0 μg/m3 (31) 13.6 μg/m3 (55) 103.0
 
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 36.0 μg/m3 (34) 14.1 μg/m3 (56) 101.0
 
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 38.0 μg/m3 (36) 15.1 μg/m3 (58) 97.0
 
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A 58.0 μg/m3 (53) 17.2 μg/m3 (62) 91.0
 
June 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 58.0 μg/m3 (53) 18.0 μg/m3 (64) 64.0