ID: 715

AQSQID: 420590002

Site Name: Holbrook

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

Updated: March 9, 2021, 12:33 a.m.

Location: Waynesburg (Iron Rock Rd), PA

Reporting: True, Located: True

Current AQI: 45.0

Waynesburg (Iron Rock Rd) PA, US: 39.82, -80.2897

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 8, 2021, 11 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
 
March 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.4 μg/m3 (19) 45.0
 
March 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 6.1 μg/m3 (26) 46.0
 
March 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 6.3 μg/m3 (27) 47.0
 
March 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 6.3 μg/m3 (27) 45.0
 
March 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.1 μg/m3 (22) 43.0
 
March 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.7 μg/m3 (24) 42.0
 
March 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.9 μg/m3 (29) 39.0
 
March 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.7 μg/m3 (33) 38.0
 
March 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 8, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 8.7 μg/m3 (37) 37.0
 
March 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 8.2 μg/m3 (35) 35.0
 
March 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 8.5 μg/m3 (36) 36.0
 
March 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 8.5 μg/m3 (36) 36.0
 
March 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
March 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.9 μg/m3 (46) 46.0
 
March 8, 2021, 3 a.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
 
March 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 8.2 μg/m3 (35) 42.0
 
March 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.2 μg/m3 (22) 43.0
 
March 8, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.6 μg/m3 (20) 43.0
 
March 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.3 μg/m3 (18) 44.0
 
March 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.1 μg/m3 (18) 44.0
 
March 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.6 μg/m3 (20) 44.0
 
March 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.3 μg/m3 (18) 44.0
 
March 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.2 μg/m3 (18) 43.0
 
March 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
March 7, 2021, 5 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
 
March 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.1 μg/m3 (18) 39.0
 
March 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
March 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.3 μg/m3 (23) 32.0
 
March 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.3 μg/m3 (23) 30.0
 
March 7, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.4 μg/m3 (23) 33.0
 
March 7, 2021, 10 a.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
 
March 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.2 μg/m3 (22) 34.0
 
March 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.2 μg/m3 (22) 34.0
 
March 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.9 μg/m3 (21) 35.0
 
March 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
March 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.3 μg/m3 (18) 34.0
 
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.1 μg/m3 (18) 36.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
March 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.4 μg/m3 (15) 39.0
 
March 7, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.4 μg/m3 (15) 40.0
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.2 μg/m3 (14) 41.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.1 μg/m3 (13) 41.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.7 μg/m3 (12) 41.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.7 μg/m3 (12) 40.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.7 μg/m3 (16) 38.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.1 μg/m3 (18) 38.0
 
March 6, 2021, 3 p.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
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.6 μg/m3 (20) 34.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.4 μg/m3 (23) 32.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.7 μg/m3 (24) 30.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.3 μg/m3 (23) 30.0
 
March 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.5 μg/m3 (23) 31.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.9 μg/m3 (25) 30.0
 
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.2 μg/m3 (26) 31.0
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.2 μg/m3 (26) 33.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.6 μg/m3 (24) 37.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.7 μg/m3 (20) 37.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.9 μg/m3 (17) 38.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.7 μg/m3 (16) 38.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.6 μg/m3 (16) 39.0
 
March 5, 2021, 10 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
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.3 μg/m3 (18) 39.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.1 μg/m3 (22) 39.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.6 μg/m3 (11) 37.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.2 μg/m3 (14) 32.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.2 μg/m3 (14) 34.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.7 μg/m3 (12) 35.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.3 μg/m3 (14) 35.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.5 μg/m3 (15) 33.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.6 μg/m3 (16) 34.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.2 μg/m3 (18) 33.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.5 μg/m3 (19) 31.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.6 μg/m3 (24) 32.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.5 μg/m3 (28) 33.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 7.1 μg/m3 (30) 34.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.6 μg/m3 (32) 33.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 7.3 μg/m3 (31) 35.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 8.2 μg/m3 (35) 35.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 14.8 μg/m3 (57) 57.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 15.9 μg/m3 (59) 59.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 20.2 μg/m3 (69) 69.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 22.6 μg/m3 (74) 74.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 19.7 μg/m3 (67) 67.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 19.3 μg/m3 (67) 67.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 17.2 μg/m3 (62) 62.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 15.2 μg/m3 (58) 58.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 14.5 μg/m3 (57) 57.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 8.4 μg/m3 (36) 38.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.5 μg/m3 (28) 39.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.7 μg/m3 (20) 39.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
March 4, 2021, midnight 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
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.8 μg/m3 (25) 39.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
March 3, 2021, 9 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
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.3 μg/m3 (27) 41.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.8 μg/m3 (25) 40.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.8 μg/m3 (20) 36.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.7 μg/m3 (20) 36.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.2 μg/m3 (18) 33.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.5 μg/m3 (19) 29.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.5 μg/m3 (19) 30.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.1 μg/m3 (18) 30.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.3 μg/m3 (27) 28.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.1 μg/m3 (26) 27.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.7 μg/m3 (24) 30.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.2 μg/m3 (14) 35.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.2 μg/m3 (14) 37.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.1 μg/m3 (13) 39.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.8 μg/m3 (12) 40.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.8 μg/m3 (12) 40.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.2 μg/m3 (14) 40.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.9 μg/m3 (13) 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 N/A 3.5 μg/m3 (15) 39.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
March 2, 2021, 2 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
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.3 μg/m3 (23) 33.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.9 μg/m3 (21) 32.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.2 μg/m3 (18) 30.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.9 μg/m3 (17) 32.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.8 μg/m3 (16) 34.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.7 μg/m3 (16) 35.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.5 μg/m3 (15) 36.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.3 μg/m3 (18) 36.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.1 μg/m3 (26) 34.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.8 μg/m3 (29) 32.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.1 μg/m3 (22) 33.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.9 μg/m3 (17) 36.0