ID: 1326

AQSQID: 361030009

Site Name: Holtsville

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

Updated: Aug. 3, 2021, 3:56 a.m.

Location: Holtsville (Concord Dr), NY

Reporting: True, Located: True

Current AQI: 36.0

Holtsville (Concord Dr) NY, US: 40.8278, -73.0575

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 8.5 μg/m3 (36) 36.0
 
Aug. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.3 μg/m3 (23) 23.0
 
Aug. 3, 2021, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 8.4 μg/m3 (36) 36.0
 
Aug. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.8 μg/m3 (20) 26.0
 
Aug. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.4 μg/m3 (6) 29.0
 
Aug. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -2.8 μg/m3 (0) 31.0
 
Aug. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.3 μg/m3 (2) 36.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.9 μg/m3 (17) 38.0
 
Aug. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.7 μg/m3 (28) 40.0
 
Aug. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.3 μg/m3 (14) 40.0
 
Aug. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.7 μg/m3 (33) 39.0
 
Aug. 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.7 μg/m3 (33) 39.0
 
Aug. 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.6 μg/m3 (24) 38.0
 
Aug. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.4 μg/m3 (23) 34.0
 
Aug. 2, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Aug. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
Aug. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 7.4 μg/m3 (31) 31.0
 
Aug. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
Aug. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Aug. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
Aug. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
Aug. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -3.5 μg/m3 (0) 32.0
 
Aug. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -2.9 μg/m3 (0) 23.0
 
Aug. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
Aug. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.6 μg/m3 (16) 36.0
 
Aug. 2, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
Aug. 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.8 μg/m3 (16) 40.0
 
Aug. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.5 μg/m3 (11) 39.0
 
Aug. 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A -0.2 μg/m3 (0) 39.0
 
Aug. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 0.3 μg/m3 (2) 44.0
 
Aug. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 1.0 μg/m3 (5) 46.0
 
Aug. 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 0.9 μg/m3 (4) 51.0
 
Aug. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 0.6 μg/m3 (3) 51.0
 
Aug. 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 0.0 μg/m3 (0) 46.0
 
Aug. 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A -1.8 μg/m3 (0) 40.0
 
Aug. 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.2 μg/m3 (5) 39.0
 
Aug. 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
Aug. 1, 2021, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A -2.8 μg/m3 (0) 33.0
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 7.6 μg/m3 (32) 32.0
 
Aug. 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 14.8 μg/m3 (57) 57.0
 
Aug. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 17.8 μg/m3 (63) 63.0
 
Aug. 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 14.3 μg/m3 (56) 56.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 18.3 μg/m3 (65) 65.0
 
Aug. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 13.3 μg/m3 (54) 54.0
 
Aug. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 14.5 μg/m3 (57) 57.0
 
Aug. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 14.0 μg/m3 (55) 55.0
 
Aug. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 12.5 μg/m3 (52) 52.0
 
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.2 μg/m3 (35) 35.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 7.9 μg/m3 (33) 33.0
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.5 μg/m3 (19) 33.0
 
July 31, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.4 μg/m3 (19) 37.0
 
July 31, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 0.4 μg/m3 (2) 44.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 2.6 μg/m3 (11) 45.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.1 μg/m3 (13) 44.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A -0.9 μg/m3 (0) 39.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
July 31, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A -1.4 μg/m3 (0) 33.0
 
July 31, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -1.3 μg/m3 (0) 32.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -4.0 μg/m3 (0) 27.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -4.3 μg/m3 (0) 23.0
 
July 31, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A -4.4 μg/m3 (0) 22.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.6 μg/m3 (7) 16.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 2.3 μg/m3 (10) 10.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 2.1 μg/m3 (9) 13.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 1.7 μg/m3 (8) 18.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -0.2 μg/m3 (0) 23.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -1.6 μg/m3 (0) 24.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -1.5 μg/m3 (0) 35.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.3 μg/m3 (6) 35.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.4 μg/m3 (27) 35.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.8 μg/m3 (12) 37.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.2 μg/m3 (26) 40.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.9 μg/m3 (8) 40.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.3 μg/m3 (23) 44.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 7.0 μg/m3 (30) 45.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 5.2 μg/m3 (22) 45.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.7 μg/m3 (20) 44.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.5 μg/m3 (23) 39.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.1 μg/m3 (13) 36.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.8 μg/m3 (25) 32.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.1 μg/m3 (18) 37.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.3 μg/m3 (23) 41.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.5 μg/m3 (19) 46.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 9.1 μg/m3 (38) 43.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.2 μg/m3 (35) 44.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 6.7 μg/m3 (28) 43.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.1 μg/m3 (26) 38.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.9 μg/m3 (13) 35.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.6 μg/m3 (11) 36.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.5 μg/m3 (3) 37.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.9 μg/m3 (4) 36.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.1 μg/m3 (13) 36.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.4 μg/m3 (31) 38.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.5 μg/m3 (11) 38.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.5 μg/m3 (28) 36.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.2 μg/m3 (26) 36.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.6 μg/m3 (16) 36.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.4 μg/m3 (36) 36.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 9.9 μg/m3 (42) 42.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 7.2 μg/m3 (31) 31.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 6.5 μg/m3 (28) 28.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 8.4 μg/m3 (36) 36.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 9.3 μg/m3 (39) 43.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 14.4 μg/m3 (56) 56.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 6.5 μg/m3 (28) 43.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.5 μg/m3 (23) 41.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.7 μg/m3 (24) 40.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.1 μg/m3 (26) 41.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.5 μg/m3 (32) 33.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 12.7 μg/m3 (53) 53.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 8.3 μg/m3 (35) 42.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 16.2 μg/m3 (60) 60.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 14.8 μg/m3 (57) 57.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 21.8 μg/m3 (72) 72.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 21.1 μg/m3 (70) 70.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 34.5 μg/m3 (99) 99.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A N/A 35.2 μg/m3 (100) 102.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (105) N/A N/A 29.4 μg/m3 (88) 105.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 24.6 μg/m3 (78) 91.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 17.7 μg/m3 (63) 68.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 14.7 μg/m3 (57) 65.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 13.4 μg/m3 (54) 58.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 13.5 μg/m3 (54) 61.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 17.5 μg/m3 (63) 84.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 19.7 μg/m3 (67) 71.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 19.4 μg/m3 (67) 67.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 20.8 μg/m3 (70) 70.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 35.0 μg/m3 (100) 100.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 40.3 μg/m3 (113) 113.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 39.9 μg/m3 (112) 112.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 41.2 μg/m3 (116) 116.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 41.5 μg/m3 (116) 116.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 40.7 μg/m3 (114) 114.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 36.2 μg/m3 (103) 103.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 36.7 μg/m3 (104) 104.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 36.9 μg/m3 (105) 105.0