ID: 1097

AQSQID: 330115001

Site Name: Miller State Park

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

Updated: May 6, 2021, 6:47 p.m.

Location: Peterborough (Summit Loop), NH

Reporting: True, Located: True

Current AQI: 34.0

Peterborough (Summit Loop) NH, US: 42.86183, -71.878626

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 6.5 μg/m3 (7) 1.7 μg/m3 (8) 34.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.09 ppb (2) 5.3 μg/m3 (5) 1.4 μg/m3 (6) 33.0
 
May 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) 4.1 μg/m3 (4) 1.1 μg/m3 (5) 33.0
 
May 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) 2.3 μg/m3 (3) 1.0 μg/m3 (5) 32.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.1 ppb (2) 2.2 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) 1.9 μg/m3 (2) 0.9 μg/m3 (4) 29.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) 1.4 μg/m3 (2) 0.8 μg/m3 (4) 27.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.11 ppb (2) 0.6 μg/m3 (1) 0.3 μg/m3 (2) 24.0
 
May 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 0.7 μg/m3 (1) 0.3 μg/m3 (2) 24.0
 
May 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.11 ppb (2) 0.8 μg/m3 (1) 0.3 μg/m3 (2) 22.0
 
May 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A 0.9 μg/m3 (1) 0.4 μg/m3 (2) 22.0
 
May 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.11 ppb (2) 1.0 μg/m3 (1) 0.4 μg/m3 (2) 25.0
 
May 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.12 ppb (2) 0.7 μg/m3 (1) 0.3 μg/m3 (2) 28.0
 
May 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 0.5 μg/m3 (1) 0.1 μg/m3 (1) 27.0
 
May 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 0.2 μg/m3 (1) 0.0 μg/m3 (0) 26.0
 
May 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 27.0
 
May 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 0.2 μg/m3 (1) 0.1 μg/m3 (1) 29.0
 
May 6, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 0.7 μg/m3 (1) 0.4 μg/m3 (2) 29.0
 
May 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 0.9 μg/m3 (1) 0.6 μg/m3 (3) 30.0
 
May 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 1.4 μg/m3 (2) 0.9 μg/m3 (4) 29.0
 
May 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 1.7 μg/m3 (2) 1.4 μg/m3 (6) 31.0
 
May 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) 1.1 μg/m3 (2) 0.9 μg/m3 (4) 32.0
 
May 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 1.2 μg/m3 (2) 0.8 μg/m3 (4) 29.0
 
May 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 2.6 μg/m3 (3) 1.9 μg/m3 (8) 28.0
 
May 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 3.0 μg/m3 (3) 2.2 μg/m3 (10) 29.0
 
May 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.14 ppb (2) 3.2 μg/m3 (3) 1.0 μg/m3 (5) 29.0
 
May 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 2.0 μg/m3 (2) 0.4 μg/m3 (2) 29.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.13 ppb (2) 0.9 μg/m3 (1) 0.2 μg/m3 (1) 30.0
 
May 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) 0.4 μg/m3 (1) 0.1 μg/m3 (1) 32.0
 
May 5, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) 0.5 μg/m3 (1) 0.0 μg/m3 (0) 36.0
 
May 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.11 ppb (2) 0.2 μg/m3 (1) 0.0 μg/m3 (0) 38.0
 
May 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 0.4 μg/m3 (1) 0.2 μg/m3 (1) 39.0
 
May 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 1.2 μg/m3 (2) 0.9 μg/m3 (4) 38.0
 
May 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 0.5 μg/m3 (1) 0.1 μg/m3 (1) 39.0
 
May 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) 3.1 μg/m3 (3) 2.0 μg/m3 (9) 43.0
 
May 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.11 ppb (2) 7.0 μg/m3 (7) 4.3 μg/m3 (18) 40.0
 
May 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 7.7 μg/m3 (8) 4.4 μg/m3 (19) 39.0
 
May 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.11 ppb (2) 7.9 μg/m3 (8) 4.4 μg/m3 (19) 38.0
 
May 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.11 ppb (2) 8.7 μg/m3 (9) 4.6 μg/m3 (20) 38.0
 
May 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 8.9 μg/m3 (9) 4.8 μg/m3 (20) 38.0
 
May 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.13 ppb (2) 8.8 μg/m3 (9) 4.9 μg/m3 (21) 38.0
 
May 5, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.12 ppb (2) 9.1 μg/m3 (9) 4.7 μg/m3 (20) 39.0
 
May 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.12 ppb (2) 8.1 μg/m3 (8) 4.5 μg/m3 (19) 41.0
 
May 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 45.0 ppb (42) 0.12 ppb (2) 8.1 μg/m3 (8) 4.3 μg/m3 (18) 42.0
 
May 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.11 ppb (2) 9.3 μg/m3 (9) 4.2 μg/m3 (18) 41.0
 
May 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.12 ppb (2) 9.4 μg/m3 (9) 4.2 μg/m3 (18) 41.0
 
May 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.11 ppb (2) 8.4 μg/m3 (8) 4.3 μg/m3 (18) 41.0
 
May 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.11 ppb (2) 8.1 μg/m3 (8) 4.3 μg/m3 (18) 41.0
 
May 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.12 ppb (2) 8.9 μg/m3 (9) 4.8 μg/m3 (20) 39.0
 
May 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 9.3 μg/m3 (9) 5.2 μg/m3 (22) 38.0
 
May 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 8.3 μg/m3 (8) 5.1 μg/m3 (22) 38.0
 
May 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 6.9 μg/m3 (7) 4.3 μg/m3 (18) 38.0
 
May 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 3.8 μg/m3 (4) 2.7 μg/m3 (12) 38.0
 
May 4, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.12 ppb (2) 3.3 μg/m3 (4) 2.6 μg/m3 (11) 39.0
 
May 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 2.2 μg/m3 (3) 1.9 μg/m3 (8) 38.0
 
May 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 2.4 μg/m3 (3) 1.9 μg/m3 (8) 38.0
 
May 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.11 ppb (2) 1.9 μg/m3 (2) 1.6 μg/m3 (7) 41.0
 
May 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.11 ppb (2) 3.3 μg/m3 (4) 2.6 μg/m3 (11) 42.0
 
May 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.12 ppb (2) 7.5 μg/m3 (7) 4.8 μg/m3 (20) 46.0
 
May 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.12 ppb (2) 7.8 μg/m3 (8) 4.7 μg/m3 (20) 44.0
 
May 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.11 ppb (2) 7.7 μg/m3 (8) 4.5 μg/m3 (19) 45.0
 
May 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.12 ppb (2) 7.9 μg/m3 (8) 4.6 μg/m3 (20) 43.0
 
May 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 9.5 μg/m3 (9) 5.1 μg/m3 (22) 40.0
 
May 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 9.6 μg/m3 (9) 4.9 μg/m3 (21) 39.0
 
May 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.13 ppb (2) 10.0 μg/m3 (10) 4.9 μg/m3 (21) 41.0
 
May 4, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 9.7 μg/m3 (9) 4.9 μg/m3 (21) 40.0
 
May 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.13 ppb (2) 10.5 μg/m3 (10) 4.8 μg/m3 (20) 41.0
 
May 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 46.0 ppb (43) 0.14 ppb (2) 10.8 μg/m3 (10) 4.1 μg/m3 (18) 43.0
 
May 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.12 ppb (2) 9.8 μg/m3 (10) 4.1 μg/m3 (18) 42.0
 
May 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.12 ppb (2) 9.3 μg/m3 (9) 4.2 μg/m3 (18) 43.0
 
May 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.12 ppb (2) 11.1 μg/m3 (11) 4.5 μg/m3 (19) 40.0
 
May 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.12 ppb (2) 12.1 μg/m3 (12) 4.4 μg/m3 (19) 39.0
 
May 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 12.4 μg/m3 (12) 4.4 μg/m3 (19) 38.0
 
May 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 15.6 μg/m3 (15) 4.9 μg/m3 (21) 37.0
 
May 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 8.9 μg/m3 (9) 3.6 μg/m3 (16) 35.0
 
May 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.13 ppb (2) 7.8 μg/m3 (8) 3.6 μg/m3 (16) 34.0
 
May 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 6.5 μg/m3 (7) 3.6 μg/m3 (16) 34.0
 
May 3, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 7.3 μg/m3 (7) 3.6 μg/m3 (16) 34.0
 
May 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 7.1 μg/m3 (7) 3.7 μg/m3 (16) 35.0
 
May 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 7.0 μg/m3 (7) 3.6 μg/m3 (16) 35.0
 
May 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 7.0 μg/m3 (7) 3.6 μg/m3 (16) 35.0
 
May 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 7.2 μg/m3 (7) 3.6 μg/m3 (16) 35.0
 
May 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.13 ppb (2) 7.3 μg/m3 (7) 3.5 μg/m3 (15) 36.0
 
May 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.13 ppb (2) 7.2 μg/m3 (7) 3.5 μg/m3 (15) 36.0
 
May 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.12 ppb (2) 7.2 μg/m3 (7) 3.5 μg/m3 (15) 37.0
 
May 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 7.1 μg/m3 (7) 3.4 μg/m3 (15) 38.0
 
May 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.12 ppb (2) 8.2 μg/m3 (8) 3.6 μg/m3 (16) 39.0
 
May 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.14 ppb (2) 7.2 μg/m3 (7) 3.6 μg/m3 (16) 40.0
 
May 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.14 ppb (2) 7.2 μg/m3 (7) 3.5 μg/m3 (15) 42.0
 
May 3, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.14 ppb (2) 7.8 μg/m3 (8) 3.5 μg/m3 (15) 43.0
 
May 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.14 ppb (2) 8.1 μg/m3 (8) 3.5 μg/m3 (15) 45.0
 
May 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.15 ppb (2) 7.6 μg/m3 (8) 3.6 μg/m3 (16) 47.0
 
May 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.15 ppb (2) 9.2 μg/m3 (9) 4.2 μg/m3 (18) 49.0
 
May 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) 0.15 ppb (2) 11.3 μg/m3 (11) 4.9 μg/m3 (21) 48.0
 
May 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 50.0 ppb (47) N/A 12.8 μg/m3 (12) 5.1 μg/m3 (22) 47.0
 
May 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.15 ppb (2) 13.1 μg/m3 (13) 4.9 μg/m3 (21) 47.0
 
May 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 50.0 ppb (47) 0.14 ppb (2) 13.4 μg/m3 (13) 4.7 μg/m3 (20) 47.0
 
May 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 50.0 ppb (47) 0.16 ppb (3) 12.6 μg/m3 (12) 4.9 μg/m3 (21) 47.0
 
May 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 49.0 ppb (46) 0.16 ppb (3) 11.6 μg/m3 (11) 4.7 μg/m3 (20) 46.0
 
May 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.18 ppb (3) 10.1 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
May 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.19 ppb (3) 9.8 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
May 2, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 39.0 ppb (37) 0.19 ppb (3) 8.3 μg/m3 (8) 4.6 μg/m3 (20) 37.0
 
May 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 37.0 ppb (35) 0.17 ppb (3) 8.4 μg/m3 (8) 4.6 μg/m3 (20) 35.0
 
May 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 38.0 ppb (36) 0.16 ppb (3) 7.9 μg/m3 (8) 4.2 μg/m3 (18) 36.0
 
May 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 40.0 ppb (38) 0.15 ppb (2) 5.6 μg/m3 (6) 3.4 μg/m3 (15) 38.0
 
May 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 5.2 μg/m3 (5) 3.2 μg/m3 (14) 38.0
 
May 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A 5.5 μg/m3 (6) 3.3 μg/m3 (14) 38.0
 
May 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.12 ppb (2) 5.5 μg/m3 (6) 3.3 μg/m3 (14) 38.0
 
May 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.12 ppb (2) 5.0 μg/m3 (5) 3.2 μg/m3 (14) 39.0
 
May 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 6.0 μg/m3 (6) 3.4 μg/m3 (15) 39.0
 
May 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.11 ppb (2) 5.8 μg/m3 (6) 3.1 μg/m3 (13) 38.0
 
May 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 5.1 μg/m3 (5) 3.0 μg/m3 (13) 38.0
 
May 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 5.8 μg/m3 (6) 3.0 μg/m3 (13) 38.0
 
May 2, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.12 ppb (2) 5.4 μg/m3 (5) 2.9 μg/m3 (13) 36.0
 
May 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.11 ppb (2) 5.8 μg/m3 (6) 2.4 μg/m3 (10) 37.0
 
May 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 5.5 μg/m3 (6) 2.5 μg/m3 (11) 38.0
 
May 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.11 ppb (2) 5.3 μg/m3 (5) 2.5 μg/m3 (11) 37.0
 
May 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) 4.3 μg/m3 (4) 2.4 μg/m3 (10) 36.0
 
May 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) 4.1 μg/m3 (4) 2.2 μg/m3 (10) 36.0
 
May 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) 4.0 μg/m3 (4) 2.2 μg/m3 (10) 35.0
 
May 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.11 ppb (2) 4.2 μg/m3 (4) 1.9 μg/m3 (8) 32.0
 
May 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) 2.5 μg/m3 (3) 1.4 μg/m3 (6) 30.0
 
May 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) 2.0 μg/m3 (2) 1.2 μg/m3 (5) 29.0
 
May 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) 2.7 μg/m3 (3) 1.1 μg/m3 (5) 29.0
 
May 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.08 ppb (2) 1.7 μg/m3 (2) 0.7 μg/m3 (3) 28.0
 
May 1, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.08 ppb (2) 1.1 μg/m3 (2) 0.5 μg/m3 (3) 27.0
 
May 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.08 ppb (2) 1.3 μg/m3 (2) 0.5 μg/m3 (3) 27.0
 
May 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.07 ppb (2) 1.3 μg/m3 (2) 0.4 μg/m3 (2) 27.0
 
May 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.07 ppb (2) 0.5 μg/m3 (1) 0.2 μg/m3 (1) 26.0
 
May 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.07 ppb (2) 1.0 μg/m3 (1) 0.2 μg/m3 (1) 25.0
 
May 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.08 ppb (2) 1.4 μg/m3 (2) 0.2 μg/m3 (1) 24.0
 
May 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.08 ppb (2) 1.1 μg/m3 (2) 0.3 μg/m3 (2) 23.0
 
May 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) 0.9 μg/m3 (1) 0.2 μg/m3 (1) 23.0
 
May 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 0.7 μg/m3 (1) 0.2 μg/m3 (1) 23.0
 
May 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 0.7 μg/m3 (1) 0.2 μg/m3 (1) 23.0
 
May 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 1.0 μg/m3 (1) 0.5 μg/m3 (3) 24.0
 
May 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 2.1 μg/m3 (2) 0.9 μg/m3 (4) 27.0
 
May 1, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 3.2 μg/m3 (3) 1.2 μg/m3 (5) 29.0
 
April 30, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 2.9 μg/m3 (3) 1.2 μg/m3 (5) 31.0
 
April 30, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 2.2 μg/m3 (3) 1.0 μg/m3 (5) 31.0
 
April 30, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) 3.1 μg/m3 (3) 1.2 μg/m3 (5) 32.0
 
April 30, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 3.2 μg/m3 (3) 1.0 μg/m3 (5) 35.0
 
April 30, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) 4.8 μg/m3 (5) 1.1 μg/m3 (5) 36.0
 
April 30, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 4.3 μg/m3 (4) 1.1 μg/m3 (5) 35.0
 
April 30, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.16 ppb (3) 1.8 μg/m3 (2) 0.7 μg/m3 (3) 34.0
 
April 30, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.16 ppb (3) 1.6 μg/m3 (2) 0.6 μg/m3 (3) 33.0
 
April 30, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) 1.7 μg/m3 (2) 0.6 μg/m3 (3) 32.0
 
April 30, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 1.4 μg/m3 (2) 0.4 μg/m3 (2) 31.0
 
April 30, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 1.1 μg/m3 (2) 0.4 μg/m3 (2) 31.0
 
April 30, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 0.3 μg/m3 (1) 0.2 μg/m3 (1) 33.0
 
April 30, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.18 ppb (3) 0.1 μg/m3 (1) 0.0 μg/m3 (0) 36.0
 
April 30, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.17 ppb (3) 0.1 μg/m3 (1) 0.0 μg/m3 (0) 40.0
 
April 30, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.17 ppb (3) 0.2 μg/m3 (1) 0.0 μg/m3 (0) 39.0
 
April 30, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.17 ppb (3) 0.4 μg/m3 (1) 0.0 μg/m3 (0) 39.0
 
April 30, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.17 ppb (3) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 38.0
 
April 30, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.17 ppb (3) 0.7 μg/m3 (1) 0.0 μg/m3 (0) 44.0
 
April 30, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.17 ppb (3) 0.1 μg/m3 (1) 0.0 μg/m3 (0) 41.0
 
April 30, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.17 ppb (3) 0.2 μg/m3 (1) 0.0 μg/m3 (0) 41.0
 
April 30, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) 0.2 μg/m3 (1) 0.0 μg/m3 (0) 42.0
 
April 30, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.17 ppb (3) 0.1 μg/m3 (1) 0.0 μg/m3 (0) 44.0
 
April 30, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 0.2 μg/m3 (1) 0.1 μg/m3 (1) 40.0
 
April 30, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 0.4 μg/m3 (1) 0.1 μg/m3 (1) 40.0
 
April 29, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 0.2 μg/m3 (1) 0.1 μg/m3 (1) 40.0
 
April 29, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 0.3 μg/m3 (1) 0.1 μg/m3 (1) 36.0
 
April 29, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.19 ppb (3) 0.3 μg/m3 (1) 0.2 μg/m3 (1) 35.0
 
April 29, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) 0.5 μg/m3 (1) 0.3 μg/m3 (2) 34.0
 
April 29, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 0.8 μg/m3 (1) 0.6 μg/m3 (3) 37.0
 
April 29, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) 2.0 μg/m3 (2) 1.6 μg/m3 (7) 36.0