ID: 9697

AQSQID: 320030602

Site Name: Garrett Jr. High

Added: March 30, 2021, 5:40 a.m.

Updated: April 16, 2021, 1:43 p.m.

Location: Boulder City (Adams Blvd), NV

Reporting: True, Located: True

Current AQI: 38.0

Boulder City (Adams Blvd) NV, US: 35.969848, -114.835007

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 16, 2021, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 9.3 μg/m3 (9) 2.8 μg/m3 (12) 38.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 9.1 μg/m3 (9) 2.9 μg/m3 (13) 38.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 9.9 μg/m3 (10) 3.0 μg/m3 (13) 38.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 10.1 μg/m3 (10) 3.3 μg/m3 (14) 39.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 12.2 μg/m3 (12) 3.6 μg/m3 (16) 42.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 15.4 μg/m3 (15) 4.0 μg/m3 (17) 45.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 17.1 μg/m3 (16) 4.9 μg/m3 (21) 38.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 18.6 μg/m3 (18) 4.6 μg/m3 (20) 41.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 24.4 μg/m3 (23) 5.8 μg/m3 (25) 38.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 18.9 μg/m3 (18) 4.8 μg/m3 (20) 40.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 17.3 μg/m3 (17) 4.3 μg/m3 (18) 45.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 17.3 μg/m3 (17) 4.4 μg/m3 (19) 50.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 48.4 μg/m3 (45) 6.5 μg/m3 (28) 51.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 25.5 μg/m3 (24) 4.8 μg/m3 (20) 58.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 22.7 μg/m3 (22) 4.8 μg/m3 (20) 55.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 36.5 μg/m3 (34) 5.4 μg/m3 (23) 55.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 17.6 μg/m3 (17) 4.4 μg/m3 (19) 55.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 30.4 μg/m3 (29) 4.5 μg/m3 (19) 50.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 19.3 μg/m3 (18) 4.0 μg/m3 (17) 50.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 16.7 μg/m3 (16) 4.1 μg/m3 (18) 50.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 18.9 μg/m3 (18) 4.1 μg/m3 (18) 50.0
 
April 15, 2021, 3 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) 4.3 μg/m3 (18) 45.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 26.5 μg/m3 (25) 4.6 μg/m3 (20) 42.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 16.8 μg/m3 (16) 4.2 μg/m3 (18) 44.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 16.6 μg/m3 (16) 4.0 μg/m3 (17) 42.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 19.6 μg/m3 (19) 4.0 μg/m3 (17) 47.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 17.3 μg/m3 (17) 3.8 μg/m3 (16) 48.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 19.3 μg/m3 (18) 4.5 μg/m3 (19) 48.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 43.6 μg/m3 (41) 7.4 μg/m3 (31) 49.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 56.7 μg/m3 (52) 10.8 μg/m3 (46) 52.0
 
April 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 79.3 μg/m3 (64) 12.5 μg/m3 (52) 64.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 48.0 μg/m3 (45) 8.4 μg/m3 (36) 65.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 45.3 μg/m3 (42) 8.9 μg/m3 (38) 65.0
 
April 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 36.1 μg/m3 (34) 6.9 μg/m3 (29) 68.0
 
April 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 44.7 μg/m3 (42) 7.5 μg/m3 (32) 71.0
 
April 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 24.3 μg/m3 (23) 4.9 μg/m3 (21) 74.0
 
April 15, 2021, midnight N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 24.3 μg/m3 (23) 5.3 μg/m3 (23) 81.0
 
April 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 60.7 μg/m3 (54) 7.3 μg/m3 (31) 78.0
 
April 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 39.3 μg/m3 (37) 5.9 μg/m3 (25) 78.0
 
April 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 34.1 μg/m3 (32) 5.6 μg/m3 (24) 74.0
 
April 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 44.9 μg/m3 (42) 6.5 μg/m3 (28) 68.0
 
April 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 32.1 μg/m3 (30) 5.9 μg/m3 (25) 65.0
 
April 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 30.2 μg/m3 (28) 6.1 μg/m3 (26) 61.0
 
April 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 34.5 μg/m3 (32) 6.7 μg/m3 (28) 58.0
 
April 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 34.5 μg/m3 (32) 6.7 μg/m3 (28) 51.0
 
April 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 43.4 μg/m3 (41) 7.1 μg/m3 (30) 48.0
 
April 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 45.5 μg/m3 (43) 7.4 μg/m3 (31) 46.0
 
April 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 53.8 μg/m3 (50) 8.7 μg/m3 (37) 50.0
 
April 14, 2021, noon N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 82.6 μg/m3 (65) 10.4 μg/m3 (44) 65.0
 
April 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 46.5 μg/m3 (44) 7.6 μg/m3 (32) 44.0
 
April 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 48.3 μg/m3 (45) 8.2 μg/m3 (35) 45.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 52.5 μg/m3 (49) 8.5 μg/m3 (36) 49.0
 
April 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 63.0 μg/m3 (55) 9.1 μg/m3 (38) 55.0
 
April 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 71.4 μg/m3 (60) 9.5 μg/m3 (40) 60.0
 
April 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 73.3 μg/m3 (61) 9.8 μg/m3 (41) 61.0
 
April 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 74.7 μg/m3 (61) 10.2 μg/m3 (43) 61.0
 
April 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 63.2 μg/m3 (56) 8.5 μg/m3 (36) 58.0
 
April 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 60.1 μg/m3 (54) 8.1 μg/m3 (34) 61.0
 
April 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 73.7 μg/m3 (61) 10.1 μg/m3 (43) 71.0
 
April 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 90.9 μg/m3 (69) 12.5 μg/m3 (52) 84.0
 
April 14, 2021, midnight N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 79.9 μg/m3 (64) 8.9 μg/m3 (38) 81.0
 
April 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 49.4 μg/m3 (46) 6.8 μg/m3 (29) 74.0
 
April 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 66.3 μg/m3 (57) 7.3 μg/m3 (31) 68.0
 
April 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 105.6 μg/m3 (77) 9.5 μg/m3 (40) 77.0
 
April 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 76.3 μg/m3 (62) 8.4 μg/m3 (36) 62.0
 
April 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 79.5 μg/m3 (64) 8.4 μg/m3 (36) 64.0
 
April 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 61.7 μg/m3 (55) 8.3 μg/m3 (35) 55.0
 
April 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 42.4 μg/m3 (40) 7.5 μg/m3 (32) 50.0
 
April 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 31.6 μg/m3 (30) 7.4 μg/m3 (31) 47.0
 
April 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.7 μg/m3 (34) 8.6 μg/m3 (36) 36.0
 
April 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.2 μg/m3 (51) 10.8 μg/m3 (46) 51.0
 
April 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 34.6 μg/m3 (33) 9.0 μg/m3 (38) 43.0
 
April 13, 2021, noon N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 32.3 μg/m3 (30) 8.3 μg/m3 (35) 46.0
 
April 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 26.1 μg/m3 (25) 6.7 μg/m3 (28) 45.0
 
April 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 23.8 μg/m3 (23) 6.1 μg/m3 (26) 45.0
 
April 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 23.3 μg/m3 (22) 5.9 μg/m3 (25) 48.0
 
April 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 24.3 μg/m3 (23) 5.7 μg/m3 (24) 47.0
 
April 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 26.3 μg/m3 (25) 5.4 μg/m3 (23) 45.0
 
April 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 27.2 μg/m3 (26) 6.2 μg/m3 (26) 42.0
 
April 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 26.3 μg/m3 (25) 6.7 μg/m3 (28) 44.0
 
April 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 31.6 μg/m3 (30) 6.9 μg/m3 (29) 38.0
 
April 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 38.3 μg/m3 (36) 8.5 μg/m3 (36) 44.0
 
April 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 40.6 μg/m3 (38) 7.1 μg/m3 (30) 45.0
 
April 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 34.9 μg/m3 (33) 6.3 μg/m3 (27) 49.0
 
April 13, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 38.1 μg/m3 (36) 6.5 μg/m3 (28) 48.0
 
April 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 38.6 μg/m3 (36) 6.7 μg/m3 (28) 49.0
 
April 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 49.4 μg/m3 (46) 7.3 μg/m3 (31) 47.0
 
April 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 49.5 μg/m3 (46) 7.5 μg/m3 (32) 46.0
 
April 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 54.8 μg/m3 (51) 7.7 μg/m3 (33) 51.0
 
April 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 51.0 μg/m3 (48) 7.9 μg/m3 (33) 48.0
 
April 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 54.7 μg/m3 (51) 8.4 μg/m3 (36) 51.0
 
April 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 57.2 μg/m3 (53) 8.7 μg/m3 (37) 53.0
 
April 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 58.0 μg/m3 (53) 8.7 μg/m3 (37) 53.0
 
April 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 63.6 μg/m3 (56) 9.7 μg/m3 (41) 56.0
 
April 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 58.6 μg/m3 (53) 9.4 μg/m3 (40) 53.0
 
April 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 61.0 μg/m3 (54) 8.9 μg/m3 (38) 54.0
 
April 12, 2021, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 45.5 μg/m3 (43) 7.2 μg/m3 (31) 43.0
 
April 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 29.5 μg/m3 (28) 5.2 μg/m3 (22) 38.0
 
April 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 14.3 μg/m3 (14) 4.0 μg/m3 (17) 41.0
 
April 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 13.6 μg/m3 (13) 4.4 μg/m3 (19) 43.0
 
April 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 15.0 μg/m3 (14) 4.6 μg/m3 (20) 39.0
 
April 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 43.0
 
April 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 15.1 μg/m3 (14) 4.4 μg/m3 (19) 44.0
 
April 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 18.8 μg/m3 (18) 4.7 μg/m3 (20) 42.0
 
April 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 19.0 μg/m3 (18) 4.7 μg/m3 (20) 42.0
 
April 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 18.1 μg/m3 (17) 4.9 μg/m3 (21) 48.0
 
April 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 22.4 μg/m3 (21) 5.4 μg/m3 (23) 50.0
 
April 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 16.9 μg/m3 (16) 4.6 μg/m3 (20) 58.0
 
April 12, 2021, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 16.6 μg/m3 (16) 4.3 μg/m3 (18) 61.0
 
April 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 15.7 μg/m3 (15) 4.3 μg/m3 (18) 65.0
 
April 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 14.9 μg/m3 (14) 4.2 μg/m3 (18) 68.0
 
April 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 14.6 μg/m3 (14) 4.4 μg/m3 (19) 58.0
 
April 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 13.7 μg/m3 (13) 4.3 μg/m3 (18) 50.0
 
April 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 14.0 μg/m3 (13) 4.2 μg/m3 (18) 48.0
 
April 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 16.2 μg/m3 (15) 4.2 μg/m3 (18) 47.0
 
April 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 17.2 μg/m3 (16) 4.4 μg/m3 (19) 44.0
 
April 11, 2021, 4 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) 4.3 μg/m3 (18) 42.0
 
April 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 15.7 μg/m3 (15) 4.4 μg/m3 (19) 40.0
 
April 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 15.3 μg/m3 (15) 4.5 μg/m3 (19) 41.0
 
April 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 17.3 μg/m3 (17) 4.4 μg/m3 (19) 42.0
 
April 11, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 19.2 μg/m3 (18) 4.5 μg/m3 (19) 42.0
 
April 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 14.9 μg/m3 (14) 4.4 μg/m3 (19) 43.0
 
April 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 15.9 μg/m3 (15) 4.6 μg/m3 (20) 40.0
 
April 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 17.9 μg/m3 (17) 4.4 μg/m3 (19) 41.0
 
April 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 17.8 μg/m3 (17) 4.7 μg/m3 (20) 44.0
 
April 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 20.0 μg/m3 (19) 4.5 μg/m3 (19) 45.0
 
April 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 19.1 μg/m3 (18) 4.2 μg/m3 (18) 47.0
 
April 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 24.1 μg/m3 (23) 4.8 μg/m3 (20) 48.0
 
April 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 21.8 μg/m3 (21) 5.3 μg/m3 (23) 42.0
 
April 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 33.4 μg/m3 (31) 8.4 μg/m3 (36) 36.0
 
April 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 30.2 μg/m3 (28) 6.4 μg/m3 (27) 49.0
 
April 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 18.1 μg/m3 (17) 4.7 μg/m3 (20) 65.0
 
April 11, 2021, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 19.0 μg/m3 (18) 4.7 μg/m3 (20) 68.0
 
April 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 18.2 μg/m3 (17) 4.4 μg/m3 (19) 61.0
 
April 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 19.6 μg/m3 (19) 4.5 μg/m3 (19) 50.0
 
April 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 24.1 μg/m3 (23) 4.9 μg/m3 (21) 50.0
 
April 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 23.0 μg/m3 (22) 4.7 μg/m3 (20) 49.0
 
April 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 24.7 μg/m3 (23) 5.0 μg/m3 (21) 45.0
 
April 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 26.9 μg/m3 (25) 5.5 μg/m3 (23) 42.0
 
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 33.2 μg/m3 (31) 6.2 μg/m3 (26) 38.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 27.1 μg/m3 (26) 6.0 μg/m3 (25) 36.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 25.9 μg/m3 (24) 5.9 μg/m3 (25) 33.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 32.1 μg/m3 (30) 6.5 μg/m3 (28) 30.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 26.7 μg/m3 (25) 6.1 μg/m3 (26) 33.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 29.0 μg/m3 (27) 5.9 μg/m3 (25) 37.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 22.8 μg/m3 (22) 5.2 μg/m3 (22) 36.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 20.1 μg/m3 (19) 5.0 μg/m3 (21) 37.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 23.5 μg/m3 (22) 5.7 μg/m3 (24) 38.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 27.6 μg/m3 (26) 6.3 μg/m3 (27) 36.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 26.8 μg/m3 (25) 7.1 μg/m3 (30) 39.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 29.4 μg/m3 (28) 6.6 μg/m3 (28) 38.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 31.2 μg/m3 (29) 6.5 μg/m3 (28) 34.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 25.5 μg/m3 (24) 5.9 μg/m3 (25) 38.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 27.7 μg/m3 (26) 6.8 μg/m3 (29) 41.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 30.4 μg/m3 (29) 6.1 μg/m3 (26) 44.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 25.0 μg/m3 (24) 5.8 μg/m3 (25) 48.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 25.7 μg/m3 (24) 5.5 μg/m3 (23) 48.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 22.6 μg/m3 (21) 5.2 μg/m3 (22) 48.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 27.4 μg/m3 (26) 5.5 μg/m3 (23) 48.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 45.1 μg/m3 (42) 8.1 μg/m3 (34) 46.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 43.1 μg/m3 (40) 8.9 μg/m3 (38) 45.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 46.9 μg/m3 (44) 8.9 μg/m3 (38) 45.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 48.5 μg/m3 (45) 8.9 μg/m3 (38) 45.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 44.0 μg/m3 (41) 8.1 μg/m3 (34) 44.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 31.6 μg/m3 (30) 6.6 μg/m3 (28) 43.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 24.3 μg/m3 (23) 5.2 μg/m3 (22) 43.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 44.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 20.6 μg/m3 (20) 5.0 μg/m3 (21) 45.0