ID: 1078

AQSQID: 320030075

Site Name: Joe Neal

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

Updated: March 6, 2021, 4:32 p.m.

Location: Las Vegas (N Cheyenne), NV

Reporting: True, Located: True

Current AQI: 46.0

Las Vegas (N Cheyenne) NV, US: 36.270592, -115.238282

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 6, 2021, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 19.0 ppb (18) N/A 45.5 μg/m3 (43) 10.9 μg/m3 (46) 46.0
 
March 6, 2021, 2 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 7.0 ppb (7) N/A 38.2 μg/m3 (36) 11.3 μg/m3 (48) 48.0
 
March 6, 2021, 1 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) N/A 33.3 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
March 6, 2021, noon N/A N/A N/A 20.0 ppb (19) N/A N/A 9.0 ppb (9) N/A 30.2 μg/m3 (28) 8.1 μg/m3 (34) 34.0
 
March 6, 2021, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 9.0 ppb (9) N/A 31.4 μg/m3 (30) 8.3 μg/m3 (35) 35.0
 
March 6, 2021, 10 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) N/A 24.7 μg/m3 (23) 7.7 μg/m3 (33) 33.0
 
March 6, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) N/A 28.0 μg/m3 (26) 8.6 μg/m3 (36) 36.0
 
March 6, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A 45.4 μg/m3 (43) 12.6 μg/m3 (53) 53.0
 
March 6, 2021, 7 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) N/A 45.7 μg/m3 (43) 14.4 μg/m3 (56) 56.0
 
March 6, 2021, 6 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 5.0 ppb (5) N/A 36.1 μg/m3 (34) 12.0 μg/m3 (50) 50.0
 
March 6, 2021, 5 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) N/A 32.3 μg/m3 (30) 8.7 μg/m3 (37) 37.0
 
March 6, 2021, 4 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 7.0 ppb (7) N/A 58.4 μg/m3 (53) 14.5 μg/m3 (57) 57.0
 
March 6, 2021, 3 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 12.0 ppb (12) N/A 64.4 μg/m3 (56) 13.6 μg/m3 (55) 56.0
 
March 6, 2021, 2 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 24.0 ppb (23) N/A 37.5 μg/m3 (35) 7.2 μg/m3 (31) 35.0
 
March 6, 2021, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 43.0 ppb (40) N/A 32.2 μg/m3 (30) 4.6 μg/m3 (20) 40.0
 
March 6, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) N/A 30.0 μg/m3 (28) 4.4 μg/m3 (19) 46.0
 
March 5, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 52.0 ppb (49) N/A 19.4 μg/m3 (18) 3.4 μg/m3 (15) 49.0
 
March 5, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
March 5, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 52.0 ppb (49) N/A 25.5 μg/m3 (24) 5.7 μg/m3 (24) 49.0
 
March 5, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 54.0 ppb (50) N/A 29.3 μg/m3 (28) 7.2 μg/m3 (31) 50.0
 
March 5, 2021, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 50.0 ppb (47) N/A 32.1 μg/m3 (30) 9.6 μg/m3 (40) 47.0
 
March 5, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) N/A 29.1 μg/m3 (27) 7.3 μg/m3 (31) 45.0
 
March 5, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) N/A 27.4 μg/m3 (26) 6.4 μg/m3 (27) 41.0
 
March 5, 2021, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 39.0 ppb (37) N/A 36.3 μg/m3 (34) 6.9 μg/m3 (29) 37.0
 
March 5, 2021, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) N/A 50.9 μg/m3 (48) 7.5 μg/m3 (32) 48.0
 
March 5, 2021, 2 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 29.0 ppb (27) N/A 29.6 μg/m3 (28) 5.7 μg/m3 (24) 28.0
 
March 5, 2021, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A 24.4 μg/m3 (23) 5.9 μg/m3 (25) 29.0
 
March 5, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A 25.1 μg/m3 (24) 6.2 μg/m3 (26) 30.0
 
March 5, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) N/A 23.2 μg/m3 (22) 5.8 μg/m3 (25) 35.0
 
March 5, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A 20.5 μg/m3 (19) 4.8 μg/m3 (20) 36.0
 
March 5, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) N/A 25.7 μg/m3 (24) 5.4 μg/m3 (23) 34.0
 
March 5, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) N/A 27.4 μg/m3 (26) 6.6 μg/m3 (28) 32.0
 
March 5, 2021, 7 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 28.0 ppb (26) N/A 30.3 μg/m3 (29) 7.3 μg/m3 (31) 31.0
 
March 5, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 26.0 ppb (25) N/A 42.5 μg/m3 (40) 9.7 μg/m3 (41) 41.0
 
March 5, 2021, 5 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 24.0 ppb (23) N/A 43.7 μg/m3 (41) 10.8 μg/m3 (46) 46.0
 
March 5, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 18.0 ppb (17) N/A 63.4 μg/m3 (56) 15.6 μg/m3 (59) 59.0
 
March 5, 2021, 3 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 19.0 ppb (18) N/A 58.6 μg/m3 (53) 15.8 μg/m3 (59) 59.0
 
March 5, 2021, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 37.0 ppb (35) N/A 52.3 μg/m3 (49) 11.4 μg/m3 (48) 49.0
 
March 5, 2021, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 50.0 ppb (47) N/A 45.3 μg/m3 (42) 10.8 μg/m3 (46) 47.0
 
March 5, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A 53.0 ppb (50) N/A 40.8 μg/m3 (38) 11.1 μg/m3 (47) 50.0
 
March 4, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 54.0 ppb (50) N/A 35.3 μg/m3 (33) 10.6 μg/m3 (45) 50.0
 
March 4, 2021, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 53.0 ppb (50) N/A 36.0 μg/m3 (34) 10.7 μg/m3 (45) 50.0
 
March 4, 2021, 9 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 51.0 ppb (48) N/A 37.9 μg/m3 (36) 11.0 μg/m3 (46) 48.0
 
March 4, 2021, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 48.0 ppb (45) N/A 41.7 μg/m3 (39) 10.8 μg/m3 (46) 46.0
 
March 4, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 50.0 ppb (47) N/A 24.5 μg/m3 (23) 5.6 μg/m3 (24) 47.0
 
March 4, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) N/A 29.2 μg/m3 (28) 5.6 μg/m3 (24) 44.0
 
March 4, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) N/A 27.5 μg/m3 (26) 6.1 μg/m3 (26) 38.0
 
March 4, 2021, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A 23.6 μg/m3 (22) 4.9 μg/m3 (21) 38.0
 
March 4, 2021, 3 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) N/A 33.1 μg/m3 (31) 5.9 μg/m3 (25) 32.0
 
March 4, 2021, 2 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 33.0 ppb (31) N/A 35.1 μg/m3 (33) 6.4 μg/m3 (27) 33.0
 
March 4, 2021, 1 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) N/A 24.1 μg/m3 (23) 5.6 μg/m3 (24) 28.0
 
March 4, 2021, noon N/A N/A N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) N/A 17.6 μg/m3 (17) 4.6 μg/m3 (20) 24.0
 
March 4, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) N/A 15.3 μg/m3 (15) 3.8 μg/m3 (16) 28.0
 
March 4, 2021, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) N/A 13.9 μg/m3 (13) 3.8 μg/m3 (16) 33.0
 
March 4, 2021, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) N/A 13.5 μg/m3 (13) 3.8 μg/m3 (16) 36.0
 
March 4, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 40.0 ppb (38) N/A 16.0 μg/m3 (15) 4.1 μg/m3 (18) 38.0
 
March 4, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) N/A 16.8 μg/m3 (16) 4.3 μg/m3 (18) 44.0
 
March 4, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) N/A 19.7 μg/m3 (19) 4.6 μg/m3 (20) 44.0
 
March 4, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) N/A 27.6 μg/m3 (26) 6.0 μg/m3 (25) 45.0
 
March 4, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A 36.0 μg/m3 (34) 6.7 μg/m3 (28) 46.0
 
March 4, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) N/A 52.2 μg/m3 (49) 8.8 μg/m3 (37) 49.0
 
March 4, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A 48.2 μg/m3 (45) 7.8 μg/m3 (33) 46.0
 
March 4, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A 59.7 μg/m3 (54) 6.9 μg/m3 (29) 54.0
 
March 4, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) N/A 48.4 μg/m3 (45) 5.8 μg/m3 (25) 45.0
 
March 3, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) N/A 42.9 μg/m3 (40) 5.6 μg/m3 (24) 45.0
 
March 3, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) N/A 32.2 μg/m3 (30) 5.1 μg/m3 (22) 47.0
 
March 3, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) N/A 33.5 μg/m3 (32) 5.3 μg/m3 (23) 47.0
 
March 3, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) N/A 28.1 μg/m3 (27) 4.9 μg/m3 (21) 46.0
 
March 3, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) N/A 36.0 μg/m3 (34) 5.2 μg/m3 (22) 43.0
 
March 3, 2021, 6 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 35.0 ppb (33) N/A 43.4 μg/m3 (41) 6.6 μg/m3 (28) 41.0
 
March 3, 2021, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 37.0 ppb (35) N/A 24.6 μg/m3 (23) 5.1 μg/m3 (22) 35.0
 
March 3, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 24.0 ppb (23) N/A 47.6 μg/m3 (45) 7.9 μg/m3 (33) 45.0
 
March 3, 2021, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 20.0 ppb (19) N/A 60.1 μg/m3 (54) 9.0 μg/m3 (38) 54.0
 
March 3, 2021, 2 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 6.0 ppb (6) N/A 54.3 μg/m3 (51) 10.1 μg/m3 (43) 51.0
 
March 3, 2021, 1 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 9.0 ppb (9) N/A 24.4 μg/m3 (23) 5.8 μg/m3 (25) 25.0
 
March 3, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A 22.2 μg/m3 (21) 4.7 μg/m3 (20) 22.0
 
March 3, 2021, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) N/A 19.3 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
March 3, 2021, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) N/A 24.5 μg/m3 (23) 5.6 μg/m3 (24) 24.0
 
March 3, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) N/A 28.6 μg/m3 (27) 5.4 μg/m3 (23) 27.0
 
March 3, 2021, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 15.0 ppb (14) N/A 24.8 μg/m3 (23) 6.4 μg/m3 (27) 27.0
 
March 3, 2021, 7 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 17.0 ppb (16) N/A 30.4 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 9.0 ppb (9) N/A 41.0 μg/m3 (38) 9.5 μg/m3 (40) 40.0
 
March 3, 2021, 5 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 9.0 ppb (9) N/A 43.6 μg/m3 (41) 10.3 μg/m3 (43) 43.0
 
March 3, 2021, 4 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 5.0 ppb (5) N/A 57.7 μg/m3 (53) 13.2 μg/m3 (54) 54.0
 
March 3, 2021, 3 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 7.0 ppb (7) N/A 42.6 μg/m3 (40) 11.8 μg/m3 (50) 50.0
 
March 3, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 25.0 ppb (24) N/A 39.4 μg/m3 (37) 7.1 μg/m3 (30) 37.0
 
March 3, 2021, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 42.0 ppb (39) N/A 34.0 μg/m3 (32) 5.4 μg/m3 (23) 39.0
 
March 3, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) N/A 20.9 μg/m3 (20) 4.4 μg/m3 (19) 45.0
 
March 2, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) N/A 32.5 μg/m3 (31) 4.6 μg/m3 (20) 45.0
 
March 2, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) N/A 26.5 μg/m3 (25) 4.4 μg/m3 (19) 45.0
 
March 2, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) N/A 16.5 μg/m3 (16) 3.9 μg/m3 (17) 43.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 20.2 μg/m3 (19) 3.6 μg/m3 (16) 39.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 14.3 μg/m3 (14) 3.4 μg/m3 (15) 39.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.6 μg/m3 (16) 3.9 μg/m3 (17) 37.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 19.5 μg/m3 (19) 3.7 μg/m3 (16) 34.0
 
March 2, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) N/A 18.9 μg/m3 (18) 3.6 μg/m3 (16) 33.0
 
March 2, 2021, 3 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A 22.9 μg/m3 (22) 4.0 μg/m3 (17) 28.0
 
March 2, 2021, 2 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 26.0 ppb (25) N/A 32.2 μg/m3 (30) 4.6 μg/m3 (20) 30.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.7 μg/m3 (16) 3.4 μg/m3 (15) 31.0
 
March 2, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) N/A 13.2 μg/m3 (13) 3.0 μg/m3 (13) 32.0
 
March 2, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A 14.5 μg/m3 (14) 3.0 μg/m3 (13) 32.0
 
March 2, 2021, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) N/A 15.0 μg/m3 (14) 3.4 μg/m3 (15) 27.0
 
March 2, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) N/A 22.6 μg/m3 (21) 5.3 μg/m3 (23) 23.0
 
March 2, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A N/A 29.1 μg/m3 (27) 7.9 μg/m3 (33) 33.0
 
March 2, 2021, 7 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) N/A 35.2 μg/m3 (33) 9.8 μg/m3 (41) 41.0
 
March 2, 2021, 6 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 3.0 ppb (3) N/A 40.5 μg/m3 (38) 11.5 μg/m3 (48) 48.0
 
March 2, 2021, 5 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 7.0 ppb (7) N/A 49.0 μg/m3 (46) 12.1 μg/m3 (51) 51.0
 
March 2, 2021, 4 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 15.0 ppb (14) N/A 52.5 μg/m3 (49) 11.3 μg/m3 (48) 49.0
 
March 2, 2021, 3 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 14.0 ppb (13) N/A 31.3 μg/m3 (29) 8.4 μg/m3 (36) 36.0
 
March 2, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 27.0 ppb (25) N/A 26.8 μg/m3 (25) 8.9 μg/m3 (38) 38.0
 
March 2, 2021, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 42.0 ppb (39) N/A 28.2 μg/m3 (27) 4.7 μg/m3 (20) 39.0
 
March 2, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) N/A 15.3 μg/m3 (15) 3.2 μg/m3 (14) 44.0
 
March 1, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) N/A 16.6 μg/m3 (16) 3.2 μg/m3 (14) 45.0
 
March 1, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) N/A 16.1 μg/m3 (15) 2.9 μg/m3 (13) 45.0
 
March 1, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) N/A 15.2 μg/m3 (15) 3.0 μg/m3 (13) 44.0
 
March 1, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) N/A 15.7 μg/m3 (15) 2.9 μg/m3 (13) 43.0
 
March 1, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) N/A 18.5 μg/m3 (18) 3.0 μg/m3 (13) 41.0
 
March 1, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A 16.9 μg/m3 (16) 3.3 μg/m3 (14) 37.0
 
March 1, 2021, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 31.0 ppb (29) N/A 21.0 μg/m3 (20) 4.6 μg/m3 (20) 29.0
 
March 1, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A 37.5 μg/m3 (35) 4.7 μg/m3 (20) 35.0
 
March 1, 2021, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 26.0 ppb (25) N/A 33.1 μg/m3 (31) 4.4 μg/m3 (19) 31.0
 
March 1, 2021, 2 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 12.0 ppb (12) N/A 47.5 μg/m3 (44) 6.1 μg/m3 (26) 44.0
 
March 1, 2021, 1 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 7.0 ppb (7) N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 29.0
 
March 1, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A 8.4 μg/m3 (8) 2.2 μg/m3 (10) 30.0
 
March 1, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) N/A 10.1 μg/m3 (10) 2.6 μg/m3 (11) 31.0
 
March 1, 2021, 10 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 5.0 ppb (5) N/A 18.1 μg/m3 (17) 5.0 μg/m3 (21) 28.0
 
March 1, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 13.0 ppb (13) N/A 26.6 μg/m3 (25) 5.8 μg/m3 (25) 25.0
 
March 1, 2021, 8 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 13.0 ppb (13) N/A 20.2 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
March 1, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) N/A 21.0 μg/m3 (20) 6.4 μg/m3 (27) 27.0
 
March 1, 2021, 6 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 11.0 ppb (11) N/A 26.4 μg/m3 (25) 10.1 μg/m3 (43) 43.0
 
March 1, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 13.0 ppb (13) N/A 29.4 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
March 1, 2021, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 21.0 ppb (20) N/A 25.1 μg/m3 (24) 8.2 μg/m3 (35) 35.0
 
March 1, 2021, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 23.0 ppb (22) N/A 24.6 μg/m3 (23) 8.1 μg/m3 (34) 34.0
 
March 1, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 34.0 ppb (32) N/A 19.4 μg/m3 (18) 4.8 μg/m3 (20) 32.0
 
March 1, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) N/A 7.9 μg/m3 (8) 2.2 μg/m3 (10) 43.0
 
March 1, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A 7.0 μg/m3 (7) 1.1 μg/m3 (5) 44.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 5.5 μg/m3 (6) 1.0 μg/m3 (5) 43.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 6.2 μg/m3 (6) 0.9 μg/m3 (4) 43.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A 5.6 μg/m3 (6) 1.1 μg/m3 (5) 42.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A 6.7 μg/m3 (7) 1.1 μg/m3 (5) 42.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A 7.5 μg/m3 (7) 1.0 μg/m3 (5) 41.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 6.8 μg/m3 (7) 1.0 μg/m3 (5) 40.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 7.4 μg/m3 (7) 1.1 μg/m3 (5) 40.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 7.7 μg/m3 (8) 1.0 μg/m3 (5) 40.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 7.1 μg/m3 (7) 1.0 μg/m3 (5) 39.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 39.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 4.7 μg/m3 (5) 0.9 μg/m3 (4) 39.0
 
Feb. 28, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 2.8 μg/m3 (3) 0.8 μg/m3 (4) 39.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 4.3 μg/m3 (4) 0.7 μg/m3 (3) 39.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 3.9 μg/m3 (4) 0.7 μg/m3 (3) 40.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 4.9 μg/m3 (5) 0.7 μg/m3 (3) 40.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 3.7 μg/m3 (4) 0.6 μg/m3 (3) 40.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 4.4 μg/m3 (5) 0.7 μg/m3 (3) 40.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 5.9 μg/m3 (6) 0.7 μg/m3 (3) 40.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 11.6 μg/m3 (11) 1.5 μg/m3 (7) 40.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) N/A 9.1 μg/m3 (9) 2.1 μg/m3 (9) 39.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) N/A 9.6 μg/m3 (9) 2.5 μg/m3 (11) 39.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) N/A 12.4 μg/m3 (12) 2.4 μg/m3 (10) 39.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 11.7 μg/m3 (11) 2.0 μg/m3 (9) 43.0
 
Feb. 28, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A 12.4 μg/m3 (12) 1.8 μg/m3 (8) 45.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A 46.5 μg/m3 (44) 4.1 μg/m3 (18) 45.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 25.2 μg/m3 (24) 2.9 μg/m3 (13) 43.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 22.8 μg/m3 (22) 3.0 μg/m3 (13) 43.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 13.5 μg/m3 (13) 2.3 μg/m3 (10) 43.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A 17.9 μg/m3 (17) 2.7 μg/m3 (12) 44.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A 20.0 μg/m3 (19) 3.0 μg/m3 (13) 44.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A 24.6 μg/m3 (23) 3.4 μg/m3 (15) 44.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A 29.6 μg/m3 (28) 4.4 μg/m3 (19) 41.0