ID: 548

AQSQID: 320030073

Site Name: Palo Verde

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

Updated: Sept. 21, 2021, 5:05 p.m.

Location: Las Vegas (Summerlin N), NV

Reporting: True, Located: True

Current AQI: 28.0

Las Vegas (Summerlin N) NV, US: 36.173415, -115.332728

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 17.0 μg/m3 (16) 3.5 μg/m3 (15) 28.0
 
Sept. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 29.0 μg/m3 (27) 4.5 μg/m3 (19) 27.0
 
Sept. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 19.0 μg/m3 (18) 3.9 μg/m3 (17) 18.0
 
Sept. 21, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 3.4 μg/m3 (15) 22.0
 
Sept. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 17.0 μg/m3 (16) 4.2 μg/m3 (18) 23.0
 
Sept. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 14.0 μg/m3 (13) 3.6 μg/m3 (16) 25.0
 
Sept. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 15.0 μg/m3 (14) 3.6 μg/m3 (16) 25.0
 
Sept. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 3.8 μg/m3 (16) 16.0
 
Sept. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 16.0 μg/m3 (15) 4.2 μg/m3 (18) 28.0
 
Sept. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 16.0 μg/m3 (15) 4.7 μg/m3 (20) 29.0
 
Sept. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 26.0 μg/m3 (25) 5.3 μg/m3 (23) 25.0
 
Sept. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 56.0 μg/m3 (52) 6.9 μg/m3 (29) 52.0
 
Sept. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 75.0 μg/m3 (61) 9.2 μg/m3 (39) 61.0
 
Sept. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 56.0 μg/m3 (52) 7.7 μg/m3 (33) 52.0
 
Sept. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 24.0 μg/m3 (23) 5.9 μg/m3 (25) 38.0
 
Sept. 21, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 30.0 μg/m3 (28) 6.8 μg/m3 (29) 44.0
 
Sept. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 33.0 μg/m3 (31) 7.0 μg/m3 (30) 45.0
 
Sept. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 35.0 μg/m3 (33) 7.6 μg/m3 (32) 45.0
 
Sept. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 37.0 μg/m3 (35) 8.0 μg/m3 (34) 44.0
 
Sept. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 38.0 μg/m3 (36) 7.6 μg/m3 (32) 44.0
 
Sept. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 53.0 μg/m3 (50) 7.6 μg/m3 (32) 50.0
 
Sept. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 54.0 μg/m3 (50) 9.1 μg/m3 (38) 50.0
 
Sept. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 56.0 μg/m3 (52) 9.6 μg/m3 (40) 52.0
 
Sept. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 63.0 μg/m3 (55) 10.0 μg/m3 (42) 55.0
 
Sept. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 99.0 μg/m3 (73) 19.5 μg/m3 (67) 73.0
 
Sept. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 87.0 μg/m3 (67) 17.5 μg/m3 (63) 67.0
 
Sept. 20, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 70.0 μg/m3 (59) 18.7 μg/m3 (65) 65.0
 
Sept. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 56.0 μg/m3 (52) 16.0 μg/m3 (60) 60.0
 
Sept. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 55.0 μg/m3 (51) 20.6 μg/m3 (69) 69.0
 
Sept. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 49.0 μg/m3 (46) 18.0 μg/m3 (64) 64.0
 
Sept. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 45.0 μg/m3 (42) 14.8 μg/m3 (57) 57.0
 
Sept. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 48.0 μg/m3 (45) 17.0 μg/m3 (62) 62.0
 
Sept. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 47.0 μg/m3 (44) 18.6 μg/m3 (65) 65.0
 
Sept. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 43.0 μg/m3 (40) 13.8 μg/m3 (55) 55.0
 
Sept. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 51.0 μg/m3 (48) 10.3 μg/m3 (43) 48.0
 
Sept. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 53.0 μg/m3 (50) 9.1 μg/m3 (38) 50.0
 
Sept. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 48.0 μg/m3 (45) 7.9 μg/m3 (33) 48.0
 
Sept. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 49.0 μg/m3 (46) 9.1 μg/m3 (38) 50.0
 
Sept. 20, 2021, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 57.0 μg/m3 (52) 11.4 μg/m3 (48) 55.0
 
Sept. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 59.0 μg/m3 (53) 20.9 μg/m3 (70) 70.0
 
Sept. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 53.0 μg/m3 (50) 18.5 μg/m3 (65) 65.0
 
Sept. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 35.0 μg/m3 (33) 11.6 μg/m3 (49) 51.0
 
Sept. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 30.0 μg/m3 (28) 10.8 μg/m3 (46) 50.0
 
Sept. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 34.0 μg/m3 (32) 8.7 μg/m3 (37) 50.0
 
Sept. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 24.0 μg/m3 (23) 5.1 μg/m3 (22) 50.0
 
Sept. 19, 2021, 5 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
 
Sept. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 14.0 μg/m3 (13) 5.7 μg/m3 (24) 47.0
 
Sept. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 22.0 μg/m3 (21) 7.2 μg/m3 (31) 42.0
 
Sept. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 19.0 μg/m3 (18) 5.5 μg/m3 (23) 38.0
 
Sept. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 43.0
 
Sept. 19, 2021, noon N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 16.0 μg/m3 (15) 4.8 μg/m3 (20) 45.0
 
Sept. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 14.0 μg/m3 (13) 4.7 μg/m3 (20) 48.0
 
Sept. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 16.0 μg/m3 (15) 5.2 μg/m3 (22) 38.0
 
Sept. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 45.0
 
Sept. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 16.0 μg/m3 (15) 5.2 μg/m3 (22) 40.0
 
Sept. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 14.0 μg/m3 (13) 4.8 μg/m3 (20) 45.0
 
Sept. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 12.0 μg/m3 (12) 4.4 μg/m3 (19) 47.0
 
Sept. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 11.0 μg/m3 (11) 4.1 μg/m3 (18) 42.0
 
Sept. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 12.0 μg/m3 (12) 4.2 μg/m3 (18) 38.0
 
Sept. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 17.0 μg/m3 (16) 5.1 μg/m3 (22) 37.0
 
Sept. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 15.0 μg/m3 (14) 4.5 μg/m3 (19) 44.0
 
Sept. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 4.5 μg/m3 (19) 45.0
 
Sept. 19, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 17.0 μg/m3 (16) 4.5 μg/m3 (19) 45.0
 
Sept. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 15.0 μg/m3 (14) 4.6 μg/m3 (20) 44.0
 
Sept. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 12.0 μg/m3 (12) 4.4 μg/m3 (19) 42.0
 
Sept. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 10.0 μg/m3 (10) 4.3 μg/m3 (18) 40.0
 
Sept. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 14.0 μg/m3 (13) 4.5 μg/m3 (19) 41.0
 
Sept. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 16.0 μg/m3 (15) 5.6 μg/m3 (24) 44.0
 
Sept. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 26.0 μg/m3 (25) 9.1 μg/m3 (38) 46.0
 
Sept. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 28.0 μg/m3 (26) 10.8 μg/m3 (46) 46.0
 
Sept. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 24.0 μg/m3 (23) 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 26.0 μg/m3 (25) 9.6 μg/m3 (40) 40.0
 
Sept. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 29.0 μg/m3 (27) 9.1 μg/m3 (38) 38.0
 
Sept. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 19.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
Sept. 18, 2021, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 18.0 μg/m3 (17) 8.4 μg/m3 (36) 36.0
 
Sept. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 23.0 μg/m3 (22) 9.1 μg/m3 (38) 38.0
 
Sept. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.0 μg/m3 (25) 10.2 μg/m3 (43) 43.0
 
Sept. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 22.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
Sept. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 20.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
Sept. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 16.0 μg/m3 (15) 7.7 μg/m3 (33) 36.0
 
Sept. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 22.0 μg/m3 (21) 8.5 μg/m3 (36) 36.0
 
Sept. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 39.0 μg/m3 (37) 9.6 μg/m3 (40) 40.0
 
Sept. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 44.0 μg/m3 (41) 9.1 μg/m3 (38) 41.0
 
Sept. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 40.0 μg/m3 (38) 8.9 μg/m3 (38) 38.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 44.0
 
Sept. 18, 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) 7.8 μg/m3 (33) 68.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 19.0 μg/m3 (18) 7.7 μg/m3 (33) 71.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 14.0 μg/m3 (13) 6.8 μg/m3 (29) 61.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 14.0 μg/m3 (13) 6.1 μg/m3 (26) 46.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 18.0 μg/m3 (17) 6.4 μg/m3 (27) 41.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 16.0 μg/m3 (15) 6.1 μg/m3 (26) 36.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 17.0 μg/m3 (16) 6.4 μg/m3 (27) 40.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 24.0 μg/m3 (23) 6.1 μg/m3 (26) 41.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 19.0 μg/m3 (18) 5.2 μg/m3 (22) 42.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 42.0 μg/m3 (39) 7.1 μg/m3 (30) 39.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 58.0 μg/m3 (53) 8.9 μg/m3 (38) 53.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 43.0 μg/m3 (40) 7.6 μg/m3 (32) 40.0
 
Sept. 17, 2021, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 32.0 μg/m3 (30) 6.0 μg/m3 (25) 35.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 44.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (18) 43.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 17.0 μg/m3 (16) 4.1 μg/m3 (18) 44.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 16.0 μg/m3 (15) 4.4 μg/m3 (19) 46.0
 
Sept. 17, 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) 4.8 μg/m3 (20) 45.0
 
Sept. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 45.0
 
Sept. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 19.0 μg/m3 (18) 5.3 μg/m3 (23) 48.0
 
Sept. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 25.0 μg/m3 (24) 5.8 μg/m3 (25) 50.0
 
Sept. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 30.0 μg/m3 (28) 6.7 μg/m3 (28) 50.0
 
Sept. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 28.0 μg/m3 (26) 6.4 μg/m3 (27) 55.0
 
Sept. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 26.0 μg/m3 (25) 5.6 μg/m3 (24) 55.0
 
Sept. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 51.0
 
Sept. 16, 2021, 11 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) 4.7 μg/m3 (20) 51.0
 
Sept. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 20.0 μg/m3 (19) 5.6 μg/m3 (24) 61.0
 
Sept. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 45.0 μg/m3 (42) 12.0 μg/m3 (50) 74.0
 
Sept. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 45.0 μg/m3 (42) 11.6 μg/m3 (49) 55.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 42.0 μg/m3 (39) 8.7 μg/m3 (37) 44.0
 
Sept. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 55.0 μg/m3 (51) 9.4 μg/m3 (40) 51.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 60.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 47.0 μg/m3 (44) 9.5 μg/m3 (40) 44.0
 
Sept. 16, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 30.0 μg/m3 (28) 8.7 μg/m3 (37) 37.0
 
Sept. 16, 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) 8.8 μg/m3 (37) 37.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 34.0 μg/m3 (32) 9.7 μg/m3 (41) 41.0
 
Sept. 16, 2021, 9 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) 10.5 μg/m3 (44) 44.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 28.0 μg/m3 (26) 7.4 μg/m3 (31) 42.0
 
Sept. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 22.0 μg/m3 (21) 7.3 μg/m3 (31) 48.0
 
Sept. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 21.0 μg/m3 (20) 8.6 μg/m3 (36) 49.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 22.0 μg/m3 (21) 8.8 μg/m3 (37) 51.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 21.0 μg/m3 (20) 8.6 μg/m3 (36) 61.0
 
Sept. 16, 2021, 3 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) 9.0 μg/m3 (38) 55.0
 
Sept. 16, 2021, 2 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) 9.7 μg/m3 (41) 55.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 55.0
 
Sept. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 22.0 μg/m3 (21) 10.9 μg/m3 (46) 61.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 22.0 μg/m3 (21) 11.1 μg/m3 (47) 65.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 22.0 μg/m3 (21) 11.1 μg/m3 (47) 71.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 24.0 μg/m3 (23) 11.0 μg/m3 (46) 68.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 27.0 μg/m3 (25) 10.1 μg/m3 (43) 81.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 74.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 25.0 μg/m3 (24) 8.7 μg/m3 (37) 51.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 29.0 μg/m3 (27) 8.9 μg/m3 (38) 45.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 25.0 μg/m3 (24) 7.5 μg/m3 (32) 40.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 25.0 μg/m3 (24) 7.8 μg/m3 (33) 38.0
 
Sept. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 29.0 μg/m3 (27) 7.9 μg/m3 (33) 33.0
 
Sept. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 24.0 μg/m3 (23) 6.9 μg/m3 (29) 30.0
 
Sept. 15, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) 6.1 μg/m3 (26) 34.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 14.0 μg/m3 (13) 6.2 μg/m3 (26) 35.0
 
Sept. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 16.0 μg/m3 (15) 5.4 μg/m3 (23) 34.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 5.2 μg/m3 (22) 37.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 14.0 μg/m3 (13) 5.7 μg/m3 (24) 41.0
 
Sept. 15, 2021, 7 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) 5.3 μg/m3 (23) 40.0
 
Sept. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 39.0
 
Sept. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.0 μg/m3 (15) 5.4 μg/m3 (23) 37.0
 
Sept. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 16.0 μg/m3 (15) 5.3 μg/m3 (23) 35.0
 
Sept. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 17.0 μg/m3 (16) 4.4 μg/m3 (19) 46.0
 
Sept. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 17.0 μg/m3 (16) 4.6 μg/m3 (20) 47.0
 
Sept. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 48.0
 
Sept. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 14.0 μg/m3 (13) 6.1 μg/m3 (26) 51.0
 
Sept. 14, 2021, 11 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) 5.9 μg/m3 (25) 51.0
 
Sept. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 13.0 μg/m3 (13) 5.3 μg/m3 (23) 55.0
 
Sept. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 16.0 μg/m3 (15) 4.9 μg/m3 (21) 51.0
 
Sept. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 17.0 μg/m3 (16) 3.5 μg/m3 (15) 74.0
 
Sept. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 20.0 μg/m3 (19) 3.5 μg/m3 (15) 74.0
 
Sept. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 22.0 μg/m3 (21) 3.6 μg/m3 (16) 51.0
 
Sept. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 18.0 μg/m3 (17) 3.7 μg/m3 (16) 46.0
 
Sept. 14, 2021, 4 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) 3.5 μg/m3 (15) 45.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 38.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 126.0 μg/m3 (87) 10.5 μg/m3 (44) 87.0
 
Sept. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 48.0 μg/m3 (45) 5.4 μg/m3 (23) 45.0
 
Sept. 14, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 17.0 μg/m3 (16) 3.7 μg/m3 (16) 30.0