ID: 1051

AQSQID: 121290001

Site Name: St. Marks Wildlife Refuge

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

Updated: Feb. 27, 2021, 11:32 p.m.

Location: Crawfordville (Tower Pond Trl), FL

Reporting: False, Located: True

Current AQI: None

Crawfordville (Tower Pond Trl) FL, US: 30.0842, -84.1617

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.5 μg/m3 (23) 32.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.4 μg/m3 (23) 29.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 9.4 μg/m3 (40) 40.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 9.1 μg/m3 (38) 38.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 6.6 μg/m3 (28) 28.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 5.2 μg/m3 (22) 22.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 6.3 μg/m3 (27) 27.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.1 μg/m3 (18) 18.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.6 μg/m3 (11) 17.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 1.3 μg/m3 (6) 18.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 1.8 μg/m3 (8) 17.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 2.1 μg/m3 (9) 20.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 1.9 μg/m3 (8) 18.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.1 μg/m3 (18) 31.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
Feb. 25, 2021, 8 p.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
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.8 μg/m3 (20) 34.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.3 μg/m3 (14) 34.0
 
Feb. 25, 2021, 5 p.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
 
Feb. 25, 2021, 4 p.m. 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
 
Feb. 25, 2021, 3 p.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
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 11.7 μg/m3 (49) 49.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 11.3 μg/m3 (48) 48.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 8.8 μg/m3 (37) 37.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 8.4 μg/m3 (36) 36.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.2 μg/m3 (26) 26.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 5.4 μg/m3 (23) 23.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.6 μg/m3 (16) 22.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Feb. 25, 2021, 5 a.m. 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
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
Feb. 25, 2021, 3 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
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.9 μg/m3 (29) 36.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.3 μg/m3 (35) 37.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 8.5 μg/m3 (36) 41.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 8.9 μg/m3 (38) 42.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 7.4 μg/m3 (31) 47.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 7.0 μg/m3 (30) 48.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 5.2 μg/m3 (22) 49.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 2.6 μg/m3 (11) 49.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 1.6 μg/m3 (7) 46.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.8 μg/m3 (12) 42.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.9 μg/m3 (21) 34.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.2 μg/m3 (14) 29.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 14.2 μg/m3 (56) 56.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 7.8 μg/m3 (33) 33.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.7 μg/m3 (28) 28.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 6.3 μg/m3 (27) 27.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 7.1 μg/m3 (30) 30.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
Feb. 24, 2021, 7 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 (15) 32.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.8 μg/m3 (20) 28.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.9 μg/m3 (21) 28.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.7 μg/m3 (16) 28.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.7 μg/m3 (24) 26.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.6 μg/m3 (24) 34.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.9 μg/m3 (25) 38.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.6 μg/m3 (28) 42.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 7.9 μg/m3 (33) 42.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.4 μg/m3 (15) 43.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.9 μg/m3 (8) 43.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A -0.7 μg/m3 (0) 42.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.8 μg/m3 (4) 40.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.7 μg/m3 (8) 37.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -1.2 μg/m3 (0) 31.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 12.4 μg/m3 (52) 52.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 7.8 μg/m3 (33) 33.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.6 μg/m3 (24) 24.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 4.3 μg/m3 (18) 18.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 2.2 μg/m3 (10) 14.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.1 μg/m3 (22) 22.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.8 μg/m3 (12) 23.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 0.4 μg/m3 (2) 14.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 0.9 μg/m3 (4) 19.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.3 μg/m3 (23) 25.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.8 μg/m3 (25) 29.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.7 μg/m3 (16) 31.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.8 μg/m3 (29) 33.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 7.1 μg/m3 (30) 35.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 8.3 μg/m3 (35) 35.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 9.4 μg/m3 (40) 40.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.4 μg/m3 (36) 36.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.7 μg/m3 (33) 33.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.9 μg/m3 (29) 30.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.7 μg/m3 (28) 28.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.3 μg/m3 (23) 26.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 7.9 μg/m3 (33) 33.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.4 μg/m3 (27) 28.0
 
Feb. 22, 2021, 8 a.m. 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
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.4 μg/m3 (31) 31.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.6 μg/m3 (24) 29.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.6 μg/m3 (20) 27.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.6 μg/m3 (24) 25.0
 
Feb. 22, 2021, 1 a.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
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.4 μg/m3 (23) 35.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.3 μg/m3 (27) 38.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.1 μg/m3 (22) 42.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.7 μg/m3 (16) 42.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.9 μg/m3 (17) 41.0
 
Feb. 21, 2021, 6 p.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
 
Feb. 21, 2021, 5 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
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.1 μg/m3 (26) 35.0
 
Feb. 21, 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
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 7.0 μg/m3 (30) 30.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.9 μg/m3 (38) 38.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.5 μg/m3 (28) 28.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 7.2 μg/m3 (31) 31.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 8.9 μg/m3 (38) 38.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.7 μg/m3 (24) 27.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.9 μg/m3 (13) 27.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.7 μg/m3 (12) 30.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.2 μg/m3 (14) 30.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.3 μg/m3 (27) 36.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.3 μg/m3 (23) 38.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.6 μg/m3 (28) 38.0
 
Feb. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.9 μg/m3 (17) 43.0
 
Feb. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.3 μg/m3 (10) 42.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.3 μg/m3 (2) 41.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.3 μg/m3 (6) 38.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.8 μg/m3 (4) 37.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.3 μg/m3 (6) 36.0
 
Feb. 20, 2021, 3 p.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 (15) 32.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 11.0 μg/m3 (46) 46.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 10.8 μg/m3 (46) 46.0
 
Feb. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 10.8 μg/m3 (46) 46.0
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 9.7 μg/m3 (41) 41.0
 
Feb. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 11.5 μg/m3 (48) 48.0
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 8.7 μg/m3 (37) 37.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 10.5 μg/m3 (44) 44.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 9.1 μg/m3 (38) 38.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 9.3 μg/m3 (39) 39.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 7.4 μg/m3 (31) 31.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 5.8 μg/m3 (25) 25.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.2 μg/m3 (26) 26.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 5.4 μg/m3 (23) 23.0
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.5 μg/m3 (23) 23.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.6 μg/m3 (28) 28.0
 
Feb. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 7.9 μg/m3 (33) 33.0