ID: 2297

AQSQID: 020200018

Site Name: Garden

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

Updated: June 19, 2021, 9:51 p.m.

Location: Anchorage (Airport Heights), AK

Reporting: True, Located: True

Current AQI: 12.0

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
June 19, 2021, 8 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 (5) 12.0
 
June 19, 2021, 7 p.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
 
June 19, 2021, 6 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) 3.0 μg/m3 (13) 13.0
 
June 19, 2021, 5 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) 3.0 μg/m3 (13) 13.0
 
June 19, 2021, 4 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) 4.0 μg/m3 (17) 17.0
 
June 19, 2021, 3 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) 4.0 μg/m3 (17) 17.0
 
June 19, 2021, 2 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
 
June 19, 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) 6.0 μg/m3 (25) 25.0
 
June 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 5.0 μg/m3 (5) 7.0 μg/m3 (30) 30.0
 
June 19, 2021, 11 a.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
 
June 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
June 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
June 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
June 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
June 19, 2021, 6 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) 10.0 μg/m3 (42) 42.0
 
June 19, 2021, 5 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
 
June 19, 2021, 4 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) 4.0 μg/m3 (17) 17.0
 
June 19, 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) 4.0 μg/m3 (17) 17.0
 
June 19, 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) 3.0 μg/m3 (13) 13.0
 
June 19, 2021, 1 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) 2.0 μg/m3 (9) 9.0
 
June 19, 2021, midnight 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
 
June 18, 2021, 11 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) 4.0 μg/m3 (17) 17.0
 
June 18, 2021, 10 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
 
June 18, 2021, 9 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) 0.0 μg/m3 (0) 9.0
 
June 18, 2021, 8 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) 0.0 μg/m3 (0) 9.0
 
June 18, 2021, 7 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
 
June 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
June 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 17.0 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
June 18, 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
 
June 18, 2021, 3 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) 6.0 μg/m3 (25) 25.0
 
June 18, 2021, 2 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) 2.0 μg/m3 (9) 9.0
 
June 18, 2021, 1 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) 3.0 μg/m3 (13) 13.0
 
June 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A 2.4 ppb (28) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 28.0
 
June 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
June 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
June 18, 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) 4.0 μg/m3 (17) 17.0
 
June 18, 2021, 8 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) 4.0 μg/m3 (17) 17.0
 
June 18, 2021, 7 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
 
June 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 1.0 μg/m3 (1) 1.0 μg/m3 (5) 5.0
 
June 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 1.0 μg/m3 (1) 1.0 μg/m3 (5) 5.0
 
June 18, 2021, 4 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
 
June 18, 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
 
June 18, 2021, 2 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) 0.0 μg/m3 (0) 7.0
 
June 18, 2021, 1 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) 2.0 μg/m3 (9) 11.0
 
June 18, 2021, midnight 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
 
June 17, 2021, 11 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
 
June 17, 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) 0.0 μg/m3 (0) 6.0
 
June 17, 2021, 9 p.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 (0) 11.0
 
June 17, 2021, 8 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
 
June 17, 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) 8.0 μg/m3 (34) 34.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
June 17, 2021, 5 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) 5.0 μg/m3 (21) 21.0
 
June 17, 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) 5.0 μg/m3 (21) 21.0
 
June 17, 2021, 3 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) 6.0 μg/m3 (25) 25.0
 
June 17, 2021, 2 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
 
June 17, 2021, 1 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) 5.0 μg/m3 (21) 21.0
 
June 17, 2021, noon 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
 
June 17, 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
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
June 17, 2021, 9 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
 
June 17, 2021, 8 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) 5.0 μg/m3 (21) 21.0
 
June 17, 2021, 7 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) 8.0 μg/m3 (34) 34.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 8.0 μg/m3 (34) 34.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
June 17, 2021, 4 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
 
June 17, 2021, 3 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) 2.0 μg/m3 (9) 9.0
 
June 17, 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
 
June 17, 2021, 1 a.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
 
June 17, 2021, midnight 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
 
June 16, 2021, 11 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) 2.0 μg/m3 (9) 12.0
 
June 16, 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) 2.0 μg/m3 (9) 12.0
 
June 16, 2021, 9 p.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
 
June 16, 2021, 8 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) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 7 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) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 5 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) 5.0 μg/m3 (21) 21.0
 
June 16, 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) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 3 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) 10.0 μg/m3 (42) 42.0
 
June 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
June 16, 2021, 1 p.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
 
June 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
June 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 24.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
June 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 19.0 μg/m3 (66) 66.0
 
June 16, 2021, 8 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) 12.0 μg/m3 (50) 50.0
 
June 16, 2021, 7 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) 5.0 μg/m3 (21) 21.0
 
June 16, 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) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 25.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
June 16, 2021, 4 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
 
June 16, 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) 5.0 μg/m3 (21) 21.0
 
June 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
June 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
June 16, 2021, midnight 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
 
June 15, 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) N/A 7.0
 
June 15, 2021, 10 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
 
June 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
June 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
June 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
June 15, 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) 3.0 μg/m3 (13) 17.0
 
June 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
June 15, 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) 8.0 μg/m3 (34) 34.0
 
June 15, 2021, 3 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) 8.0 μg/m3 (34) 34.0
 
June 15, 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) 8.0 μg/m3 (34) 34.0
 
June 15, 2021, 1 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) 16.0 μg/m3 (60) 60.0
 
June 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
June 15, 2021, 11 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) 9.0 μg/m3 (38) 38.0
 
June 15, 2021, 10 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) 10.0 μg/m3 (42) 42.0
 
June 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 8 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) 9.0 μg/m3 (38) 38.0
 
June 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
June 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
June 15, 2021, 4 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) 5.0 μg/m3 (21) 21.0
 
June 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
June 15, 2021, 2 a.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
 
June 15, 2021, 1 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) 6.0 μg/m3 (25) 25.0
 
June 15, 2021, midnight 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
 
June 14, 2021, 11 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) 3.0 μg/m3 (13) 13.0
 
June 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
June 14, 2021, 9 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) 3.0 μg/m3 (13) 13.0
 
June 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
June 14, 2021, 6 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
 
June 14, 2021, 5 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) 2.0 μg/m3 (9) 12.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
June 14, 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) 7.0 μg/m3 (30) 30.0
 
June 14, 2021, 2 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
 
June 14, 2021, 1 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) 5.0 μg/m3 (21) 21.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A 2.9 ppb (33) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 33.0
 
June 14, 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) 7.0 μg/m3 (30) 30.0
 
June 14, 2021, 10 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) 5.0 μg/m3 (21) 21.0
 
June 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
June 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 15.0 μg/m3 (14) 2.0 μg/m3 (9) 14.0
 
June 14, 2021, 3 a.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
 
June 14, 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) 2.0 μg/m3 (9) 9.0
 
June 14, 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
 
June 14, 2021, midnight 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
 
June 13, 2021, 11 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
 
June 13, 2021, 10 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) 3.0 μg/m3 (13) 13.0
 
June 13, 2021, 9 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) 4.0 μg/m3 (17) 17.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
June 13, 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) 3.0 μg/m3 (13) 13.0
 
June 13, 2021, 6 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) 4.0 μg/m3 (17) 17.0
 
June 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
June 13, 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) 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 3 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) 4.0 μg/m3 (17) 17.0
 
June 13, 2021, 2 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) 7.0 μg/m3 (30) 30.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
June 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 28.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
June 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 29.0 μg/m3 (27) 17.0 μg/m3 (62) 62.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 24.0 μg/m3 (23) 15.0 μg/m3 (58) 58.0
 
June 13, 2021, 7 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
 
June 13, 2021, 6 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) 6.0 μg/m3 (25) 25.0
 
June 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
June 13, 2021, 3 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
 
June 13, 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) 1.0 μg/m3 (5) 11.0
 
June 13, 2021, 1 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) 2.0 μg/m3 (9) 9.0
 
June 13, 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) 3.0 μg/m3 (13) 13.0
 
June 12, 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) 4.0 μg/m3 (17) 17.0
 
June 12, 2021, 10 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
 
June 12, 2021, 9 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) 3.0 μg/m3 (13) 13.0