ID: 2299

AQSQID: 020900034

Site Name: Ncore

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

Updated: April 10, 2021, 5:43 p.m.

Location: Fairbanks (Pioneer Rd), AK

Reporting: True, Located: True

Current AQI: 25.0

Fairbanks (Pioneer Rd) AK, US: 64.8458, -147.72727

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 9.0 ppb (9) 0.1 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
April 10, 2021, 3 p.m. N/A N/A 42.5 ppb (41) N/A N/A 12.0 ppb (18) -1.0 ppb (0) 0.2 ppb (3) 21.0 μg/m3 (20) 8.0 μg/m3 (34) 41.0
 
April 10, 2021, 2 p.m. N/A N/A 42.2 ppb (40) N/A N/A 8.0 ppb (12) -3.0 ppb (0) 0.2 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 40.0
 
April 10, 2021, 1 p.m. N/A N/A 37.4 ppb (36) N/A N/A 14.0 ppb (20) -4.0 ppb (0) 0.2 ppb (3) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
April 10, 2021, noon N/A N/A 43.3 ppb (41) N/A N/A 10.0 ppb (15) -4.0 ppb (0) 0.3 ppb (4) 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) -3.0 ppb (0) 0.2 ppb (3) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) -2.0 ppb (0) 0.2 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
April 10, 2021, 9 a.m. N/A N/A 18.0 ppb (17) N/A N/A 7.0 ppb (10) -2.0 ppb (0) 0.2 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
April 10, 2021, 8 a.m. N/A N/A 19.4 ppb (19) N/A N/A 6.0 ppb (9) -2.0 ppb (0) 0.2 ppb (3) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
April 10, 2021, 7 a.m. N/A N/A 32.0 ppb (31) N/A N/A 8.0 ppb (12) -2.0 ppb (0) 0.3 ppb (4) 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
April 10, 2021, 6 a.m. N/A N/A 36.6 ppb (35) N/A N/A 5.0 ppb (8) -3.0 ppb (0) 0.4 ppb (5) 24.0 μg/m3 (23) 7.0 μg/m3 (30) 35.0
 
April 10, 2021, 5 a.m. N/A N/A 18.2 ppb (18) N/A N/A 2.0 ppb (3) 0.0 ppb (0) 0.2 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 18.0
 
April 10, 2021, 4 a.m. N/A N/A 4.6 ppb (5) N/A N/A 1.0 ppb (2) 9.0 ppb (9) 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
April 10, 2021, 3 a.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
April 10, 2021, 2 a.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
April 10, 2021, 1 a.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 10, 2021, midnight N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 11.0
 
April 9, 2021, 11 p.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (5) 11.0
 
April 9, 2021, 10 p.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 10.0
 
April 9, 2021, 9 p.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 9.0
 
April 9, 2021, 8 p.m. N/A N/A 3.6 ppb (4) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.1 ppb (2) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 7 p.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.1 ppb (2) 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
April 9, 2021, 6 p.m. N/A N/A 3.5 ppb (4) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.1 ppb (2) 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 5 p.m. N/A N/A 5.6 ppb (6) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.1 ppb (2) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
April 9, 2021, 4 p.m. N/A N/A 6.5 ppb (7) N/A N/A 1.0 ppb (2) 7.0 ppb (7) 0.1 ppb (2) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 3 p.m. N/A N/A 6.7 ppb (7) N/A N/A 2.0 ppb (3) 5.0 ppb (5) 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 2 p.m. N/A N/A 8.1 ppb (8) N/A N/A 4.0 ppb (6) 4.0 ppb (4) 0.2 ppb (3) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 1 p.m. N/A N/A 6.3 ppb (6) N/A N/A 3.0 ppb (5) 5.0 ppb (5) 0.1 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, noon N/A N/A 2.2 ppb (3) N/A N/A 1.0 ppb (2) 8.0 ppb (8) 0.1 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
April 9, 2021, 11 a.m. N/A N/A 3.2 ppb (4) N/A N/A 1.0 ppb (2) 8.0 ppb (8) 0.1 ppb (2) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
April 9, 2021, 10 a.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (2) 10.0 ppb (10) 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 9 a.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) 0.1 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 12.0
 
April 9, 2021, 7 a.m. N/A N/A 2.6 ppb (3) N/A N/A 1.0 ppb (2) 13.0 ppb (13) 0.1 ppb (2) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.1 ppb (2) 6.0 μg/m3 (6) 8.0 μg/m3 (34) 34.0
 
April 9, 2021, 5 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.1 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 16.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 3 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 2 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 22.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 24.0
 
April 9, 2021, midnight N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 25.0
 
April 8, 2021, 11 p.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 12.0 μg/m3 (12) 0.0 μg/m3 (0) 27.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 27.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 28.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 14.0 μg/m3 (13) 2.0 μg/m3 (9) 27.0
 
April 8, 2021, 7 p.m. N/A N/A 4.5 ppb (5) N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) 27.0 μg/m3 (25) 3.0 μg/m3 (13) 27.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 26.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (20) 0.2 ppb (3) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 20.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 18.0 ppb (17) 0.2 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
April 8, 2021, 3 p.m. N/A N/A 49.2 ppb (47) N/A N/A 8.0 ppb (12) 3.0 ppb (3) 0.5 ppb (6) 11.0 μg/m3 (11) 9.0 μg/m3 (38) 47.0
 
April 8, 2021, 2 p.m. N/A N/A 42.5 ppb (41) N/A N/A 12.0 ppb (18) 2.0 ppb (2) 0.4 ppb (5) 10.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
April 8, 2021, 1 p.m. N/A N/A 55.9 ppb (54) N/A N/A 7.0 ppb (10) -2.0 ppb (0) 0.3 ppb (4) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 54.0
 
April 8, 2021, noon N/A N/A 34.9 ppb (33) N/A N/A 6.0 ppb (9) N/A 0.2 ppb (3) 10.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (8) 0.3 ppb (4) 21.0 μg/m3 (20) 18.0 μg/m3 (64) 64.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.3 ppb (4) 29.0 μg/m3 (27) 24.0 μg/m3 (77) 77.0
 
April 8, 2021, 9 a.m. N/A N/A 51.5 ppb (49) N/A N/A 9.0 ppb (13) 0.0 ppb (0) N/A 25.0 μg/m3 (24) 18.0 μg/m3 (64) 64.0
 
April 8, 2021, 8 a.m. N/A N/A 35.9 ppb (34) N/A N/A 5.0 ppb (8) 5.0 ppb (5) 0.2 ppb (3) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) 0.2 ppb (3) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 12.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (16) 0.2 ppb (3) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 8.0 ppb (8) 0.4 ppb (5) 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (12) 0.4 ppb (5) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 12.0
 
April 8, 2021, 3 a.m. N/A N/A 14.9 ppb (15) N/A N/A 2.0 ppb (3) 26.0 ppb (25) 0.2 ppb (3) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 25.0
 
April 8, 2021, 2 a.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 31.0
 
April 8, 2021, 1 a.m. N/A N/A 7.7 ppb (8) N/A N/A 2.0 ppb (3) 32.0 ppb (30) 0.1 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 30.0
 
April 8, 2021, midnight N/A N/A 5.1 ppb (5) N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.1 ppb (2) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 31.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 29.0
 
April 7, 2021, 10 p.m. N/A N/A 11.1 ppb (11) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 25.0
 
April 7, 2021, 9 p.m. N/A N/A 18.0 ppb (17) N/A N/A 3.0 ppb (5) 24.0 ppb (23) 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 23.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (24) 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 24.0
 
April 7, 2021, 7 p.m. N/A N/A 11.4 ppb (11) N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 24.0
 
April 7, 2021, 6 p.m. N/A N/A 12.1 ppb (12) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) 0.4 ppb (5) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (4) 0.4 ppb (5) 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) -1.0 ppb (0) 0.5 ppb (6) 15.0 μg/m3 (14) 17.0 μg/m3 (62) 62.0
 
April 7, 2021, 2 p.m. N/A N/A 34.0 ppb (33) N/A N/A 7.0 ppb (10) 0.0 ppb (0) 0.4 ppb (5) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) -3.0 ppb (0) 0.3 ppb (4) 11.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, noon N/A N/A 31.8 ppb (30) N/A N/A 10.0 ppb (15) -1.0 ppb (0) 0.2 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 30.0
 
April 7, 2021, 11 a.m. N/A N/A 36.9 ppb (35) N/A N/A 9.0 ppb (13) -2.0 ppb (0) 0.2 ppb (3) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 10 a.m. N/A N/A 31.4 ppb (30) N/A N/A 8.0 ppb (12) -2.0 ppb (0) 0.2 ppb (3) 14.0 μg/m3 (13) 13.0 μg/m3 (53) 53.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) 0.2 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
April 7, 2021, 8 a.m. N/A N/A 37.9 ppb (36) N/A N/A 11.0 ppb (16) -2.0 ppb (0) 0.3 ppb (4) 11.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 7 a.m. N/A N/A 47.5 ppb (45) N/A N/A 9.0 ppb (13) -3.0 ppb (0) 0.2 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 45.0
 
April 7, 2021, 6 a.m. N/A N/A 34.4 ppb (33) N/A N/A 4.0 ppb (6) 2.0 ppb (2) 0.3 ppb (4) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
April 7, 2021, 5 a.m. N/A N/A 30.8 ppb (30) N/A N/A 5.0 ppb (8) 5.0 ppb (5) 0.4 ppb (5) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
April 7, 2021, 4 a.m. N/A N/A 7.9 ppb (8) N/A N/A 1.0 ppb (2) 24.0 ppb (23) 0.2 ppb (3) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 23.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 27.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 27.0
 
April 7, 2021, 1 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 27.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 26.0
 
April 6, 2021, 11 p.m. N/A N/A 8.4 ppb (8) N/A N/A 2.0 ppb (3) 26.0 ppb (25) 0.1 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 25.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 25.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 25.0
 
April 6, 2021, 8 p.m. N/A N/A 15.9 ppb (15) N/A N/A 3.0 ppb (5) 21.0 ppb (20) 0.1 ppb (2) 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
April 6, 2021, 7 p.m. N/A N/A 15.6 ppb (15) N/A N/A 2.0 ppb (3) 20.0 ppb (19) 0.2 ppb (3) 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 13.0 ppb (13) 0.2 ppb (3) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 5 p.m. N/A N/A 41.2 ppb (39) N/A N/A 4.0 ppb (6) 7.0 ppb (7) 0.2 ppb (3) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 39.0
 
April 6, 2021, 4 p.m. N/A N/A 42.4 ppb (40) N/A N/A 4.0 ppb (6) 5.0 ppb (5) 0.3 ppb (4) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 40.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 0.3 ppb (4) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 0.0 ppb (0) 0.2 ppb (3) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 5.0 ppb (5) 0.1 ppb (2) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
April 6, 2021, noon N/A N/A 18.8 ppb (18) N/A N/A 6.0 ppb (9) 5.0 ppb (5) 0.1 ppb (2) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) 0.1 ppb (2) 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (7) 0.1 ppb (2) 8.0 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
April 6, 2021, 9 a.m. N/A N/A 18.1 ppb (18) N/A N/A 5.0 ppb (8) 6.0 ppb (6) 0.2 ppb (3) 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 8 a.m. N/A N/A 24.4 ppb (24) N/A N/A 6.0 ppb (9) 3.0 ppb (3) 0.2 ppb (3) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 7 a.m. N/A N/A 32.7 ppb (31) N/A N/A 8.0 ppb (12) 1.0 ppb (1) 0.3 ppb (4) 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 6 a.m. N/A N/A 36.3 ppb (35) N/A N/A 9.0 ppb (13) 0.0 ppb (0) 0.2 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 35.0
 
April 6, 2021, 5 a.m. N/A N/A 23.3 ppb (22) N/A N/A 6.0 ppb (9) 7.0 ppb (7) 0.1 ppb (2) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 21.0
 
April 6, 2021, 3 a.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 24.0
 
April 6, 2021, 2 a.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 24.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 25.0
 
April 6, 2021, midnight N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 26.0
 
April 5, 2021, 11 p.m. N/A N/A 1.2 ppb (2) N/A N/A -1.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 26.0
 
April 5, 2021, 10 p.m. N/A N/A 1.5 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 26.0
 
April 5, 2021, 9 p.m. N/A N/A 1.7 ppb (2) N/A N/A -1.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 26.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A -1.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 26.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 26.0
 
April 5, 2021, 6 p.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 26.0
 
April 5, 2021, 5 p.m. N/A N/A 2.5 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 26.0
 
April 5, 2021, 4 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 26.0
 
April 5, 2021, 3 p.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 6.0 μg/m3 (6) 6.0 μg/m3 (25) 27.0
 
April 5, 2021, 2 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 30.0
 
April 5, 2021, 1 p.m. N/A N/A 2.6 ppb (3) N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 28.0
 
April 5, 2021, noon N/A N/A 3.7 ppb (4) N/A N/A 1.0 ppb (2) N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 30.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.1 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 30.0
 
April 5, 2021, 9 a.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 29.0
 
April 5, 2021, 8 a.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 29.0
 
April 5, 2021, 7 a.m. N/A N/A 1.2 ppb (2) N/A N/A -1.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 27.0
 
April 5, 2021, 6 a.m. N/A N/A 0.9 ppb (1) N/A N/A -1.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 29.0
 
April 5, 2021, 5 a.m. N/A N/A 0.8 ppb (1) N/A N/A -1.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) 8.0 μg/m3 (8) -1.0 μg/m3 (0) 32.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 32.0
 
April 5, 2021, 3 a.m. N/A N/A 3.5 ppb (4) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 31.0
 
April 5, 2021, 2 a.m. N/A N/A 6.3 ppb (6) N/A N/A -1.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) 7.0 μg/m3 (7) -2.0 μg/m3 (0) 30.0
 
April 5, 2021, 1 a.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 34.0
 
April 5, 2021, midnight N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 34.0
 
April 4, 2021, 11 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 33.0
 
April 4, 2021, 10 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 33.0
 
April 4, 2021, 9 p.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 33.0
 
April 4, 2021, 8 p.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 34.0
 
April 4, 2021, 7 p.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 35.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 36.0
 
April 4, 2021, 5 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) 1.0 μg/m3 (1) -2.0 μg/m3 (0) 33.0
 
April 4, 2021, 4 p.m. N/A N/A 3.7 ppb (4) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (5) 30.0
 
April 4, 2021, 3 p.m. N/A N/A 3.6 ppb (4) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 28.0
 
April 4, 2021, 2 p.m. N/A N/A 4.0 ppb (4) N/A N/A 1.0 ppb (2) 31.0 ppb (29) 0.1 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (5) 29.0
 
April 4, 2021, 1 p.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (9) 31.0
 
April 4, 2021, noon N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 26.0
 
April 4, 2021, 11 a.m. N/A N/A 5.6 ppb (6) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (5) 25.0
 
April 4, 2021, 10 a.m. N/A N/A 4.1 ppb (4) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 30.0
 
April 4, 2021, 9 a.m. N/A N/A 2.9 ppb (3) N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.1 ppb (2) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 31.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 26.0
 
April 4, 2021, 7 a.m. N/A N/A 5.5 ppb (6) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 21.0
 
April 4, 2021, 6 a.m. N/A N/A 6.6 ppb (7) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 21.0
 
April 4, 2021, 5 a.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 22.0
 
April 4, 2021, 4 a.m. N/A N/A 6.5 ppb (7) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 21.0
 
April 4, 2021, 3 a.m. N/A N/A 6.9 ppb (7) N/A N/A 1.0 ppb (2) 21.0 ppb (20) 0.2 ppb (3) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 20.0
 
April 4, 2021, 2 a.m. N/A N/A 8.2 ppb (8) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 19.0
 
April 4, 2021, 1 a.m. N/A N/A 5.6 ppb (6) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 22.0
 
April 4, 2021, midnight N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 21.0
 
April 3, 2021, 11 p.m. N/A N/A 5.1 ppb (5) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 22.0
 
April 3, 2021, 10 p.m. N/A N/A 4.8 ppb (5) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
April 3, 2021, 9 p.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
April 3, 2021, 8 p.m. N/A N/A 4.4 ppb (5) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 21.0
 
April 3, 2021, 7 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 21.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 20.0
 
April 3, 2021, 5 p.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 19.0