ID: 2297

AQSQID: 020200018

Site Name: Garden

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

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

Location: Anchorage (Airport Heights), AK

Reporting: True, Located: True

Current AQI: 13.0

Anchorage (Airport Heights) AK, US: 61.205861, -149.8246

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 N/A N/A N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 16.0 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 7.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) -2.0 μg/m3 (0) 6.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 4.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 0.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 9.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 12.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 16.0 μg/m3 (15) 1.0 μg/m3 (5) 15.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 18.0 μg/m3 (17) 1.0 μg/m3 (5) 17.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 20.0 μg/m3 (19) 3.0 μg/m3 (13) 19.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 33.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 61.0 μg/m3 (54) 3.0 μg/m3 (13) 54.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 61.0 μg/m3 (54) 6.0 μg/m3 (25) 54.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (13) 62.0 μg/m3 (55) 9.0 μg/m3 (38) 55.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.3 ppb (15) 59.0 μg/m3 (53) 15.0 μg/m3 (58) 58.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 55.0 μg/m3 (51) 13.0 μg/m3 (53) 53.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 26.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 19.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 20.0 μg/m3 (19) 2.0 μg/m3 (9) 19.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 4.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) -2.0 μg/m3 (0) 7.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) -1.0 μg/m3 (0) 12.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 17.0 μg/m3 (16) -1.0 μg/m3 (0) 16.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) N/A N/A 2.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) N/A N/A 2.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 16.0 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 21.0 μg/m3 (20) 3.0 μg/m3 (13) 20.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 38.0 μg/m3 (36) 6.0 μg/m3 (25) 36.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 25.0 μg/m3 (24) 2.0 μg/m3 (9) 24.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 3.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) -2.0 μg/m3 (0) 6.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) -1.0 μg/m3 (0) 6.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 18.0 μg/m3 (17) -1.0 μg/m3 (0) 17.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 18.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 2.6 ppb (30) 8.0 μg/m3 (8) -1.0 μg/m3 (0) 30.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 9.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (9) 9.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) -3.0 μg/m3 (0) 7.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 7.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0